GSO 2693:2022
مواصفة  قياسية خليجية
المواصفـات  الخليجية ألجهزة  استقبال البث اإلذاعي الصوتي  
األرعضي  الـT-DAB+/FM/AM
Gulf Standard
The GCC Terrestrial Radio Receiver Specifications 
for AM/FM/T-DAB+
ICS: 33.160.20
English Language – اللغةاإلنجليزية Edition 1 – 12/05/2022 – 1 الطبعة
© GCC Standardization Organization , www.gso.org.sa
© جميع الحقوق محفوظة  لهيئة التقييس لدول مجلس التعاون لدول الخليج العربية 
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لاهذه الوثيقة  محمية بالقانون
COPYRIGHT PROTECTED DOCUMENT
جميع الحقوق محفوظة  لهيئة لتقييس لدول مجلس التعـاون لدول الخليـج العربيـة . ما لم ينـص على خـالف ذلــك، ال يجــوز 
إعـادة إنتـاج أي جـزء مـن هـذا المنشــور أو اســــتخدامه بـأي شــكل آخـر أو بـأي وســـيلة،  إلكترونيــــة أو ميكانيكيـــــة، بمـا فـي ذلك 
التصوير،  أو النشر على اإلنترنت  أو اإلنترانت،  دون إذن كتابي مسبق من هيئة التقييس لدول مجلس التعاون لدول الخليج 
العربية  على العنوان  أدناه أو الدول األعضاء  في الهيئة داخل بلدانهم.
All rights reserved to GCC Standardization Organization (GSO). Unless otherwise specified, no part of this 
publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, 
including photocopying, or posting on the internet or an intranet, without prior written permission. Permission 
can be requested from either GSO at the address below or GSO's member body in the country of the requester.
Outreach Dept, Knowledge Management Section
GCC Standardization Organization (GSO)
P.O.Box: 85245 Riyadh 12511
Kingdom of Saudi Arabiaإدارة  التواصل،  قسم إدارة  المعرفة 
هيئة التقييس لدول مجلس التعاون لدول الخليج العربية GSO(
ص. ب85245  الرياض 12511
المملكة العربية  السعودية 
Tel: +966115208000هاتف:
Fax: +966115208010فاكس:
E-Mail: csc@gso.org.saبريد  إلكتروني:
Website: www.gso.org.saموقع  ويب :
iiGulf Standard GSO 2693:2022
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لاتقديم
هيئة التقييس لدول مجلس التعاون لدول الخليج العربيـة  هيئة إقليميـة تضم في عضـويتها  أجهـزة  التقييـــس 
الوطنية  في الدول األعضاء  ، ومن  مهام الهيئة إعداد المواصفات  القياسية واللوائح  الفنية الخليجية بواسطة  
لجان فنية متخصصة.
قـرر المجلــس الفنـي لهيئـة التقييــس لـدول مجلـس التعــاون لـدول الخليــج العربيــة  في االجتمـــاع  الـ52 (بتاريــــخ 
1443/10/10هـ ،الموافــــق 2022/05/12م اعتمـــاد المواصـــــفة  القياســـــية الخليجيـــــة رقـــمGSO 2693:2022 
وعنوانها  "المواصفـات  الخليجية ألجهزة  استقبال البث اإلذاعي الصوتي  األرعضي  الـT-DAB+/FM/AM "باللغة 
االنجليزية  التي تم دراستها  ضمن برنامج  عمل اللجنة الفنية الخليجية للمواصـفات  الكهربائيـة  واإللكترونيـة  
TC03 (المدرجة  في خطة اإلمارات  العربية  المتحدة  .
Foreword
GCC Standardization Organization (GSO) is a regional organization which consists of the 
national standardization bodies of GCC member states. One of GSO main functions is to issue 
gulf standards and technical regulations through specialized technical committees.
GSO Technical Council in its meeting number (52) held on 10/10/1443H, which corresponds 
to 12/05/2022, has approved Gulf Standard GSO 2693:2022 titled "The GCC Terrestrial Radio 
Receiver Specifications for AM/FM/T-DAB+" in English language which was studied through 
the technical program of GSO Technical Committee for Electrical and Electronic Products (TC03) 
in UNITED ARAB EMIRATES schedule . 
iiiGulf Standard GSO 2693:2022
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لاIntroduction 
 
This standard  describes  the specification of devices, which can receive terrestrially transmitted 
AM, FM and T- DAB+ radio services.  
 
This specification covers all types of receiver, including home receivers, portable receivers, and vehicle receivers. This specification applies to all producers, manufacturers, importers and retailers who wish to sell radio receivers and all other products which have built -in radio 
receivers in the GC C countries.   
 This specification shall be used to assess the eligibility of a product for use in the GCC countries.  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
  
1Gulf Standard GSO 2693:2022
© GSO 2022 — All rights reserved.
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لا 
The GCC Terrestrial Radio Receiver Specifications  
for AM/FM/T -DAB+  
 
1- Scope:  
 This specification shall apply to all producers, manufacturers, importers  and 
retailers who wish to sell radio receivers and all other products which have built- in 
radio receivers in the GCC countries. 
 This specification shall be used to assess the eligibility of a product for use in the 
GCC countries. 
 This specification covers devices which can receive terrestrially transmitted AM, FM and T -DAB+ radio services. Some of these devices may also receive other 
digital radio services via alternative delivery platforms, such as the internet. This specification does not cover details  of a receiver intended to receive digital services 
via these alternative delivery platforms.  
 This specification covers many types of receiver, including home receivers, portable receivers, devices integrated into the vehicle dashboard and aftermarket devices mounted in the dashboard, behind the dashboard, to the vehicle windscreen 
or elsewhere.  
 This specification covers devices whose sole function is to receive radio services, and also devices which have one or more other functions in addition to receivi ng 
radio services.  
2- Terms  and Abbreviations:  
 For the purposes of this document unless stated otherwise the word 
2.1 Receiver: An Automotive, Domestic and Portable AM, FM and DAB+ Radio 
Receiver.  
2.2 An automotive receiver:  any radio receiver that is designed specifically for use within a vehicle.  
2.3 Adaptor: DAB+ Digital Radio Adaptor, It’s a device that provides a DAB+ capability to another device, for example an analogue radio (AM or FM) that does not have that capability. 
2.4 Audio damage: Any dam age to the signal can be detected by the listener and 
includes silence or interruption (when the signal disappears) and the audible noise from the receiver.  
2.5       A dequate audio reception: error rate of the output data stream of Viterbi decoder is 
equa l to or better than 10 -4 when decoding a 128 kbit/s DAB audio service 
transmitted with error protection level EEP -3A. 
2.6 ASBU:  Arab S tates Broadcasting Union. 
2.7 EBU:  European Broadcasting Union. 
2.8 DUT:  Device Under Test.  
2.9 Req:  means that the specification is “Required” and therefore mandatory.  
 
2Gulf Standard GSO 2693:2022
© GSO 2022 — All rights reserved.
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لا2.10 Opt: means that the specification is “Optional” and therefore voluntary but highly 
recommended.  
2.11 PAD:  Programme Associated Data.  
2.12 UTF:  Unicode Transformation Format.  
2.13     Requirements for AM receivers operating in MF and HF bands are referring to low 
cost sound broadcasting receivers. 
2.14     Requirements for FM receivers operating in VHF bands are referring to low cost mono and stereo sound broadcasting receivers. 
3- Technical Requirements:  
3.1  Minimum Requirements  
 The minimum requirements for receivers sold in the GCC Region shall meet the requirements of ETSI TS 103 461(V1.2.1), but with t hree important exceptions: 
3.1.1 All receivers are required to display DAB+ labels in Arabic and English text. 
3.1.2  A ll receivers are required to provide DAB+ reception to the requirements  of the 
latest version of ETSI TS 103 461, as summarized  in Annex (1). In case  of any 
discrepancy  the latest version of ETSI TS 103 461 prevail over the annex.  
3.1.3  A ll receivers are required to provide (AM and FM) reception to the requirements 
stated in Annex (2). 
3. 2 Automotive Digital Radio Receivers  
 All Automotive digital radio receivers shall be able to receive terrestrial transmitted 
AM, FM  and T -DAB+ sound broadcasting services and shall comply with the 
technical requirements mentioned at Annex (1) and (2). The AM receivers shall comply with AM Type A specification. 
 Except Battery Electric Vehicles (BEV) and Hybrid Electric Vehicles (HEV),  AM 
receivers are an optional feature and all AM receivers shall be comply with AM type A specification mentioned at Annex (B) ". 
3.3 Domestic and Portable D igital Radio Receivers  
 All Domestic and Portable digital radio receivers shall comply with the technical 
requirements mentioned in  Annex (1) and (2).  
4-  Test specification : 
4.1  Test specification for core technology 
 The tests speci fied in ETSI TS 103 461. Clause 7 shall be used, with the exception 
of clause 7.4, which is replaced as follows: 
 Character sets  
 The testing in this clause ensures that the DUT is able to handle all character set decoding correctly. The minimum character support is specified in ETSI TS 103 
176, annex I.4, encoded using FIG type 1 and FIG type 2 labels.  
 T he tests are performed in transmission mode I using a conducted method. The test 
setup is  shown in figure 3. Any band III channel may be used. The signal level shall 
be set to - 70 dBm. The tests specified in table 1 shall be performed using suitable 
ETI files.  
3Gulf Standard GSO 2693:2022
© GSO 2022 — All rights reserved.
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لا 
 
Table 1: Character set testing  
Test 
number  Test description  Valid result  
4.1.1  The DUT will support the display of all 
characters from the Complete EBU Latin -
based repertoire character set when the 
Charset field = 0000 (Complete EBU Latin -based repertoire) in the FIG type 1 
labels. The ETI files for product testing 
(see annex A) may be used.  All characters are 
displayed correctly  
4.1.2  The DUT will support the display of all 
characters except the Complete EBU Latin -
based repertoire specified in TS 103 176, annex I.4 with the encoding set to UCS-2 
in the FIG type 2 labels.  All characters are 
displayed correctly  
4.1.3  The DUT will support the display of all 
characters except the Complete EBU Latin -
based repertoire specified in TS 103 176, annex I.4 with the encoding set to UTF-8 
in the FIG type 2 labels.  All characters are 
displayed correctly  
4.1.4  The DUT will display numeric blocks and 
mirrored characters correctly when 
surrounded by Arabic letters.  All numeric blocks and all 
mirrored characters are 
displayed correctly.  
 
 For domestic technology, the dynamic label tests specified in ETSI TS 103 461, clause 7.8, shall be carried out using the same test files as for European products. However,  it is also required to check that presentation of RTL dynamic labels works 
correctly. This shall be done using suitable ETI files containing dynamic labels with the text control field set to 0100b and using Arabic characters only. 
4.2  Test s pecification for p roducts  
 The tests specified in ETSI TS 103 461, clause 8 , shall be followed. Additionally, 
for domestic products, the tests specified in this document under clause 7 including the additional test for RTL dynamic labels shall be carried out. 
5- Normative References:  
 Documents contain provisions which, through reference in this text, constitute provisions of the present document. 
• ETSI TS  103 461 : Digital Audio Broadcasting (DAB) ; Domestic and in -vehicle 
digital radio receivers; Minimum requirements and Test specifications for technologies and products.  
• ETSI TS 103 466:  Digital Audio Broadcasting (DAB); DAB Audio Coding 
(MPEG Layer II).  
•  ETSI EN 300 401:  Radio Broadcasting Systems;  Digital Audio Broadcasting  
(DAB) to Mobile, Portable and Fixed receivers.  
•  ETSI TS 101 756 : Digital Audio Broadcasting (DAB); Registered Tables. 
4Gulf Standard GSO 2693:2022
© GSO 2022 — All rights reserved.
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لا•  ETSI TS 102 563: Digital Audio Broadcasting (DAB); Transport of Advanced  
Audio Coding (AAC) audio. 
•  ETSI  ETS  300 384 : Radio broadcasting systems; Very High Frequency ( VHF ), 
frequency modulated, sound broadcasting transmitters. 
•  IEC 62104:2015 : Characteristics of DAB Receivers.  
•  ETSI TS 103 176:  Digital Audio Broadcasting (DAB); Rules of implementation; 
Service information features . 
•  ITU-R BS.415-2 - Minimum performance specifications  for low -cost sound-
broadcasting receivers . 
•  ITU-R BS.703:  Characteristics of AM sound broadcasting reference receivers for 
planning purposes . 
•  ITU-R BS.560-4:  Radio -frequency protection ratios in LF, MF and HF  
broadcasting. 
•  IEC 60315 -3:1989/AMD1:1999;  Amendment 1 - Methods of measurement on  
radio receivers for various classes of emission. Part 3 : Receivers for amplitude -
modulated sound-broadcasting emissions. 
•  ITU-R BS.450-3 - Transmission standards for FM sound broadcasting at VHF. 
•  ITU-R BS.641 - Determination of radio -frequency protection ratios for frequenc y-
modulated sound broadcasting. 
•  ITU-R BS.412-9 - Planning standards for terrestrial FM sound broadcasting at VHF . 
•  IEC 62106:2018 RDS  (Radio Data System)  (Parts 1 to  6). 
 Reference to other documents or sources may be existing and is noted in the 
document where applicable .
5Gulf Standard GSO 2693:2022
© GSO 2022 — All rights reserved.
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لا 
 
Annex No. (1):  
Requirement table for T-DAB+ Radio Receiver 
 
No. Reso urce Reference/ Details  Req? Notes  
1 GENERAL REQUIRE MENTS 
1.1 Servic es reception An automotive receiver must in 
addition to DAB+  services  receive 
also FM and AM analogue radio  
service s currently on air in the 
GCC  countries and based on AM and  
FM specifications valid in the GCC  
countries . Req. A DAB+ digital radio receiver 
with a primary purpose of 
adapting  an analogue  receiver  to 
digital (also called Adapter) is 
not required to receive analogue  
radio services.  
1.2 Output for audio The receiver  shall output the audio 
signal to loudspe akers and/ or 
provide  outputs to one of the 
interfaces specified in Clause 5 of 
IEC 62104:2015 Req.  
1.3 Output for audio The receiver  may optionally 
provide  an output of the selected  
audio service c ompone nt according 
to IEC 60958-3. Opt.  
2 RF REQUIREMENTS 
2.1 Frequency range  174 to 230 MHz (VHF Band  III) Req. The required center frequencies 
of the transmitted signals are 
specified in annex E  of ETSI EN 
latest version of ETSI TS 103 
461. 
2.2 RF perfor mance The receiver  must comply with the 
Band III provisio ns of IEC 
62104:2015 with  the exceptions 
that the  thresholds for G aussi an 
Sensitivi ty, Rayleigh Sensitivity 
and Adjacent Channel Interf erence 
should be taken from this 
documen t. Req.  
2.3 RF Input – domestic 
and portable receivers UHF FEMAL E 75 Ohm as defined 
in IEC 61169-2 :2007 or- Type  F 
FEMA LE 75 Ohm  as defin ed in 
IEC 61169 -24 Opt. Domestic and portable receivers 
2.4 RF Input - automotive 
Receiv ers Shall be fitted with an antenna 
connection as follows:  
- RF standard core: Ty pe SMB 
MALE 50Ohm  as defin ed in I EC 
60169-10 or 
- Headsh ell, latch: Type Fakra 
(SMB A) with latch  as defined in 
ISO 20860-1 Req. Automotive receive rs: Not 
relevant for receivers  integrated 
to the car (OEM).  
 
  
6Gulf Standard GSO 2693:2022
© GSO 2022 — All rights reserved.
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لا 
No. Resource  Reference/ Details  Req? Notes  
2.5 RF – Gaussian 
sensitivit y – 
Automotive receivers Receivers supplied without an 
anten na shall be capable of 
providi ng Ade quate Aud io 
Recep tion with an input power 
level of - 97,7 d Bm when fed by a 
DAB + signal with Gaussian 
transmission ch annel 
character istics. Autom otive  
external antenna will require a gain 
of -2,9 dBi or greater to produce  
this power at the required 
minimum field strength. 
Automo tive receiv ers should have  
an input  impedance of 50 Ohms. Req. A DAB+ Digital radio 
Autom otive Receiver that is sold 
packaged or installed with an 
anten na must provide Adequate 
Audio Rece ption when rec eiving 
a DAB+  signal with  a field 
stren gth s ignal greater than 
FSGm in in a Ga ussian  
transmis sion channel. 
The value of FSGm in is 
frequ ency depe nden t. It is 29,2 
dBμV/m for a sign al with a 
centre  frequency of 220 MHz,  
and its  value at other  frequencies 
can be calculated from  the 
following formula: 
FSGm in = [29,2 + 20 log(F/220)] 
dBμV/ m, where  F is the 
frequ ency in MHz 
2.6 RF - Gaussian 
sensitivit y – Dom estic 
and portable receivers Receivers supplied without an 
anten na shall be capable of 
providi ng Ade quate Aud io 
Recep tion with an input power 
level of - 97,7dBm when fed by a  
DAB + signal with Gaussian 
transmission ch annel 
character istics. This exter nal 
anten na will require a gain of - 
8.1dBi or greater to produce this 
power  at the required minimum  
field strength. Dom estic rece ivers 
should have an input impe dance of 
75 Ohms. Req. A domestic receiver that is sold 
with an antenna m ust provide 
Adequate Audio Recep tion wh en 
receiving a DAB+ sign al with a  
field strength signal greater than 
FSGm in in a Ga ussian  
transmis sion channel. 
The value FSGmin is frequency 
dependent. It is 34,4 dBμV/m  for 
a signal with a centre frequen cy 
of 220 MHz, and its value at 
other  frequencies can be 
calculated f rom the following  
formula: 
FSGm in = [34,4 + 20 log(F/220)] 
dBμV/ m, where  F is the 
frequ ency in MHz. 
2.7 RF - Maximum input 
powe r for a Gaussian  
Channel For the maximum input power test, 
the minim um requirem ents in VHF 
band III for dif ferent types of 
DAB+ receivers defined in IEC 
62104:2015 are: 
- Dom estic recei vers & Automotive 
acces sory: -10dBm  
- Portable recei vers:  -5dBm  
- OEM Automo tive receiver s: +10dBm Req. The maximum input power is the 
maximum input level at which  
the DAB + receiver  will perform 
just before synchronisation is  
lost. 
2.8 RF - Rayleigh 
sensitivit y - 
Automotive receivers Receivers supplied without an 
anten na shall be capable of 
providi ng Ade quate Aud io 
Recep tion (as defined above) with  
an input  power level of 
-92,2d Bm when fed by a DAB+  
signal with  Rayle igh transmission  
channel characteri stics. This 
external antenna will require a gain 
Of -2,9 dB or greater  to produce this 
power  at the required minimum 
field strength. The Rayleigh fading 
channel characteri stics will  be as 
specified in IEC 62104:2015. Req. A DAB+ Digital radio In-Vehicle  
Receiver  that is sold with an 
anten na must provide Adequate 
Audio Reception (as defin ed 
above) when receiv ing a DAB+  
signal with a f ield str ength signal  
greater  than FSR min in a Rayleigh  
transmis sion channel. 
 
The value of FSR min is frequency 
dependant. It is 34,7 dBμV/m for 
a signal with a centre frequency 
of 220 MHz 
FSRm in = [34,7 + 20 log(F/220)] 
dBμV/ m, where  F is the 
frequ ency in MHz. 
 
7Gulf Standard GSO 2693:2022
© GSO 2022 — All rights reserved.
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لا 
No. Resource  Reference/ Details  Req? Notes  
2.9 RF – Rayleigh 
sensitivit y – Dom estic 
and portable receivers Receivers supplied without an 
anten na shall be capable of 
providi ng Ade quate Aud io 
Recep tion (as defined above) with  
an input  power level of 
-92,2d Bm when fed by a DAB+ 
signal with  Rayle igh transmission  
channel characteri stics. This 
external antenna will require a gain 
of -8,1dBi or greater to produce  
this power at the required 
minimum  field strength. The 
Rayleigh fading 
channel characteri stics will  be as 
specified in IEC 62104:2015. Req. The receiver must provide 
Adequate Audio Recep tion of a  
DAB+ signal with Ra yleigh 
transmis sion channel 
characteristics with fie ld 
stren gths at or above the 
frequ ency depe nden t value of 
FSRmin.  of 39,9 dBμV/m for a 
signal with a c entre  frequen cy of 
220 MHz 
 
FSRm in = [39,9 + 20 log(F/220)] 
dBμV/ m, where  F is the 
frequ ency in MHz 
2.10 RF – Receiver 
selectivity (Adjace nt 
channel in terference) A receiver must be able to provide 
adequate receptio n of a DAB+  
audio sub- channel with error 
protection level UEP3 when  the 
want ed signal has a level of -
70dBm for dome stic and  
- 77,7dBm for automotive receiver 
and it is in the presence of any one 
of the interfering signals with a frequency offset and amplitude as described in the table below.   
  
 Req.  
3 DAB + channel decoding requirements  
3.1 Decoding – general Receivers must be capable of 
decod ing at least one audio sub- 
channel. Req.  
3.2 Decoding – DAB+ A receiver shall be able to decode a 
DAB+ audio service contained in a 
sub-channel of a size up to and 
inclu ding 144 Capacity Units  (e.g. 
96 kbps@EEP1A). Req. DAB+ audio services are defined 
in ETSI TS 102 563 
3.3 Decoding – DAB A receiver should be able to 
deco de a DAB aud io service  
contain ed in a sub-channel of a size 
up to a nd including 280 Capa city 
Units (e.g. 256 kbps @UEP1). 
 Opt. DAB audio services are defined 
in ETSI EN 300 401 and ETSI TS 
103 466. 
3.4 Decoding – Audio 
Service Stereo, param etric stereo and 
spectral band replication shall be 
supported 
 Req.  
4 Audi o decoding requirements  
8Gulf Standard GSO 2693:2022
© GSO 2022 — All rights reserved.
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لا4.1 Audio decoding for 
DAB  According  to ETSI  EN300  401 
v2.1.1 (2017- 01).  Section  7 – Audio  
Coding;  All clauses except  
(Dynamic  Range  Control).  Req.  Refer to latest version of ETSI TS 
103 461 and ETSI TS 103 466 . 
4.2 Audio decoding for 
DAB+  According to ETSI TR 102 563 - 
all sectio ns are relevant Req. Refer to ETSI EN latest version of 
ETSI TS  103 461 and ETSI TS 
103 466.  
4.3 Audio decoding – 
General According to ETSI TR 101 496 
part 2 Section 3 – Impleme ntation 
and Operation of System Featur es; 
Clauses 3.1 (Intro ductio n), 3.2 
(Data Transport Mechanis ms), 
3.2.2 (Stream Mod e), 3.4 (Audio 
Coding). Req. Refer to  the latest  version of 
ETSI TS 103 461and ETSI TS 
103 466.  
5 Functionality and user interface 
5.1 Retuning – scan A receiver which has a stored list 
of service labels from  many 
ensembles must p rovid e the user 
with the option of scanning the 
whole Ba nd III band to update its 
stored service list when required. Req. Refer to the latest version of 
ETSI TS 103 461 , clause 6.9.  
5.2 Retuning – updates Receivers which only display the 
services on the  current  ensemble 
should update the  displayed list  of 
audio services  if the selec ted 
ensemb le recon figures to add,  
remove or rename ser vices 
automatically or manually . 
This r escan / retu ne feature must be 
able to cope with the  following 
change s: 
1. Service mov es to a dif ferent 
multiplex 
2. New  multiplex launches 
3. Multiplex c hang es its frequency  
4. New  Service appe ars 
5. Service changes name 
6. Service disappe ars 
7. Multiple  Instances of the same  
programme content with the  same 
Service  ID on diffe rent freque ncies 
and with varying  signal levels Req. DAB+ Ensembles in the GCC 
countries  will c hange their 
configuration from  time to time. 
It is preferred  by br oadcasters 
that the  receiver should upda te 
its stor ed datab ase of available 
programmes by consta ntly 
checking the FIC of the 
ensemble  to which it is 
currently tuned. Refer to the 
latest version ETSI TS 103 461,  
 
  
9Gulf Standard GSO 2693:2022
© GSO 2022 — All rights reserved.
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لا 
No. Resource  Reference/ Details  Req? Notes  
5.3 Text display-for portable 
and domestic digital 
radio receivers  The requirements specified in  the 
latest version of  ETSI TS 103 461   
clause 5 shall be used, with the exception of clause 5.10, which is replaced as follows:  
  5.10 Text display Products shall have a means of displaying text to the user.  
The text display shall display the name of the audio components available for selection.  
 Products shall display the complete 
label.  
Products shall display the service label wh en a primary audio 
component is selected.  
 Products shall display the service 
component label when a secondary audio component is selected. Products shall decode the dynamic label from the X -PAD (short X -
PAD, variable length XPAD, whether the dynamic label  is the 
only PAD application or if it is one 
of a number of PAD applications) of 
the currently selected service and display it to the user legibly. Products shall act upon the command to remove the label from the display by immediately removing the label, even if it has only been partially displayed. Receivers shall have a display capable of rendering all the requirements of the ASBU regional profile, as specified in ETSI TS 103 176, annex I.4, correctly mapped, visually well -formed and clear.  
 Req.   
 
  
10Gulf Standard GSO 2693:2022
© GSO 2022 — All rights reserved.
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لا 
No. Resource  Reference/ Details  Req? Notes  
5.4 Text display - for 
Automotive (in-vehicle)  
digital radio receivers  The requirements specified in the 
latest version of ETSI TS 103 461  
clause  6 shall be used, with the 
exception of clause 6.10, which is 
replaced as follows:  
 6.10 Text display Products shall have a means of displaying text to the user.  
The text display shall display the name of the audio components available for selection.  
 Products shall display the complete 
label. 4 .  
Products shall display the service label when a primary audio component is selected.  
 Products shall display the service 
component label when a secondary audio component is selected. Receivers shall have a display capable of rendering all the requirements of the ASBU regional profile, as specified in ETSI TS 103 176, annex I.4, correctly m apped, 
visually well -formed and clear. 
NOTE:In -vehicle receivers are not 
required to implement dynamic label.  Req.  
6 Announcemen t signalling and switching, service labels 
6.1 Announcement 
switching Automotive receiver shall support 
announc emen t switching as defined 
in ETSI 300 401 s ub-section 8.1.6. 
This feature ins tructs the receiver  
to select an alter native audio source  
only for the duration  of an audio 
announcement,  before returning to 
the original source.  Req. Manufacturers may provide the 
user with  an option to d isable th is 
feature. 
6.2 Traffic Announcement Automotive receiver shall vector 
from  the selected service to an 
audio service carrying a Traffic  
Announcement if all the following 
conditions are met: 
• The select ed service is signalled 
as supporting announ cemen ts by 
means of a Fig 0/18 in the Service  
Information with ASu flag bit 1 set  
to indicated “T raffic”  and is 
provided with a Cluster  Id. 
• An anno uncement is raised by 
another service on the same 
ensemb le with the same Cluster Id. 
• The user has not selected a m enu 
option to d isable the announcem ent 
feature. Req. The receiver does not have to 
respond to announcemen ts that 
are signalle d as being present on 
other  Ense mbles. Whe ther it does 
so or not is a design  choice for  
the manufacturer. 
 
  
11Gulf Standard GSO 2693:2022
© GSO 2022 — All rights reserved.
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لا 
No. Resource  Reference/ Details  Req? Notes  
6.3 Traffic Announcement 
on same P rogramme 
Identifier (P I) Automotive receivers shall not 
switch to Traffic Announcem ents 
received on an FM se rvice  if that 
FM s ervice has the same 
Programme  Identifier (PI) Co de as 
the Service ID (SID)  of the origi nal 
signal. Req. Services whose SID and PI codes 
match will be carrying identical 
content. Th ere is no need to 
disru pt the  DAB  audio by  
switching to the FM v ersion of 
the same audio – which  may not 
be co-timed. 
6.4 Service  following Automotive receiver shall support 
all aspe cts of service f ollowing as 
specified in the ETSI docum ent 
ETSI TS 103 1 76 Digital Aud io 
Broa dcasting (DAB); Rules of  
implementation; Service  
inform ation features. Req. ETSI EN300 401 provides 
relevant information in the 
following S ection 8 – Data  
Featur es; Clauses 8.1.1 
(Introduction ), 8.1.8  (Freque ncy 
Information), 8.1.10 .1 (OE 
Frequencies), 8.1.10.2 (OE 
Services) , 8.1.15 (Service  
Linking Information) 
7 User informa tion 
7.1 Easy to Use and 
Simple  Docu mentat ion Receivers shall be simple to set up 
and operate and be provided with  
clear e asy to understand user 
documentati on in both Arabic and  
English in line with  that 
requireme nt. Req.  
7.2 Support Package The following peripheral items 
shall be include d wit hin a bas eline  
pack age: 
• Batte ries f or Remote c ontrol (if 
include d) 
• An e asy to understand user 
manual in both Arabic and English 
• Reception antenna(s) for 
supported band(s) (if antenna is not  
integr ated). Not e: not mandatory 
for automotive receivers.  Req.  
12Gulf Standard GSO 2693:2022
© GSO 2022 — All rights reserved.
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لاAnnex No. (2):  
Requirement table for AM/FM Radio Receivers  
 
No. Resource  Reference/ Details  Req? Notes  
1 AM radio Type A: a low sensitivity receiver for operation  in MF 
1.1 Frequency range  526.5kHz - 1606 .5kHz Req.  
1.2 Type of modulation A3 (Double sideband amplitude 
modulation with full carrier) Req.  
1.3 Channel spacing 9 kHz Req. In the case of a tuner using PLL 
(Phase Lock ed Loop), the radio 
shall be able to c hange  the 
receiving frequency in 9kHz 
steps.  
1.4 RF - Sensitivity Not worse than 5mV/m (with a 
built-in antenna with  facilities for 
using an external antenna)  Req. Sensitivity of receivers  is 
unde rstood as "noise limited 
sensitivity" in terms of field 
strength, required to achieve  a 
signal to noise r atio of 26dB at 
the audio output at 30% 
modulati on of 400Hz to ne. The 
AF signal-to-noi se ratio shall be 
according to the I EC Public ation 
60315 -3 and the field strength 
values for MF band are measured 
according to the I EC Public ation 
60315-3 
 
1.5 
  
RF - Selectivit y Over all selectivity for a low 
sensitivity receiver  shall be: 
 
at -6dB points: passb and not less 
than ±3kHz, 
 
at -20dB  points: passband not 
greater than ±10kHz Req. Selectivity of a receiver is a 
measure of its ability to 
discriminate between a want ed 
signal to which the receiver  is 
tuned and unwa nted signals 
enter ing th rough the anten na 
circuit. The selec tivity 
measurement is based on the  
Recommendation ITU-R  SM. 
332-4. 
 
  
13Gulf Standard GSO 2693:2022
© GSO 2022 — All rights reserved.
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لاNo. Resource  Reference/ Details  Req? Notes  
1.6 RF - Image, 
intermediate freq. and 
spurious response ratio Image rejection ratio shall not be 
less than 30dB  
 
This does not app ly to Software  
Defin ed Radios (SDR). Req. The value of image and 
intermediate fr equency rejec tion 
ratio and the product ion of 
harm onics of the intermediat e 
frequ ency a nd/or of the oscillator 
frequ ency are factors influencing 
the choice of intermed iate 
frequ ency. If both the carrier 
frequ encies and the intermediate 
frequ ency are an integr al multiple 
of the carrier s pacin g, then all  
interferin g produc ts will also be 
integral multiples of the carrier 
spacing.  Theo retically, a 
maximum protection cou ld then 
be obtain ed beca use the 
frequ ency differe nce between any 
interferin g sign al of this kind  and 
the wanted carrier fr equen cy, 
would be zero or a multiple of the 
channel sp ac ing. No s pecific 
intermediate fr equency are  
recommended,  but the use of 
frequ encies in the range 450-470  
kHz is common. An im age 
rejection ratio is me asured 
according to the I EC Public ation 
60315 -3. 
1.7 Audio performance If Audio output is available, then 
the Audio po wer output shall not 
be less than 0.1W for less than 
10% distortion. Req.  
2 AM radio Type B: a combined receiver for operation in MF and HF 
2.1 Frequency range  MF:  526,5kHz - 1606,5kHz Req. HF band 2.3 MHz - 21.85MHz is 
divided to S W1, SW2 and SW3. 
 
Some receivers may not be able 
to receive  all bands 
recommended  by ITU-R BS .415-  
2 but shall be able to receive 
SW2 band. SW1: 2,3-2,5MHz, 3,2-3,4MHz, 
3,9-4,0MHz,  4,75-5,0 6MHz,  5,95-  
6,2MHz,  7,1-7,6MHz Opt. 
SW2: 9,2-9,9MHz,  11,6- 
12,2MHz,  13,57-13,87MHz,  
15,10-15,8M Hz Req. 
SW3: 17,48 -17,9MHz, 21,45- 
21,85MHz,  25,6-26,1MHz,  
 Opt. 
2.2 Type of modulation A3 (Double sideband amplitude 
modulation with f ull carrier) Req.  
2.3 Channel spacing MF: 9kHz 
HF: 5kHz Req. In the case of a tuner using PLL 
(Phase Lock ed Loop), the MF 
radio shall be able to change t he 
receiving frequency in 9 kHz  
steps.  
In the case of a tuner using P LL 
(Phase Lock ed Loop) a HF 
receiver sha ll be able to change 
the receiving frequency in 5 kHz 
steps.  
 
  
14Gulf Standard GSO 2693:2022
© GSO 2022 — All rights reserved.
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لاNo. Resource  Reference/ Details  Req? Notes  
2.4 RF - Sensitivity Not worse than 150μV Req. Sensitivity of receivers  is 
unde rstood as "noise limited 
sensitivity" in terms of field 
strength, required to achieve  a 
signal to noise r atio of 26dB at 
the audio output of 30% 
modulati on of 400Hz to ne. The 
AF signal-to-noi se ratio shall be 
according to the I EC Public ation 
60315 -3 and the field strength 
values for MF band are measured 
according to the I EC Public ation 
60315-3 
2.5 RF - Selectivity At -6dB points: passband not less 
than ±3kHz 
At -20dB po ints: passband not 
greater than ±10kHz 
At -40dB po ints: passband not 
greater than ±20kHz Req. Selectivity of a receiver is a 
measure of its ability to 
discriminate between a want ed 
signal to which the receiver  is 
tuned and unwa nted signals 
enter ing th rough the anten na 
circuit. 
2.6 RF - Image, 
intermediate freq. and 
spurious response ratio Image rejection ratio shall not be 
less than 30dB for MF 
 
Image response r atio for HF shall 
not be less than 5dB 
 
Interm ediate frequency and 
spurious response ratio for HF 
shall not be less than 12dB 
 
This does not app ly to Software  
Defin ed Radios (SDR). Req. No specific intermediate  
frequ ency is recommended, but 
the use of frequencies in the  
range  450-470 kHz is common. 
How ever,  it should be noted that  
when such frequen cies are used it 
is then  not possible  to achieve a 
sufficien t image rejection ratio in 
HF bands . For thi s case the use of 
higher inter mediate frequency in  
conjunction with double- 
conversion should be consider ed 
for HF. An imag e rejectio n ratio 
is measured  according to the IEC 
Publication 60315-3 
2.7 RF - Automatic gain 
control (A.g.c.) 
perform ance The output level shall not change 
by m ore than 6dB for a r eduction 
in signal level of 10dB. Similarly,  
the output level shall n ot change by 
more than 3 dB for an i ncrease in 
signal level of 20dB. Req. Automatic gain control is 
responding to changes of a signal 
level at the antenna  input of the 
receiv er. The ITU-R BS .415-2  
specifies that the output lev el 
should not cha nge for more than  
10 dB f or a reduc tion in a signal 
level of 3 0dB from 0,1V . The 
value of 0,1V  is rather high so it 
is better to use the definition 
from  ITU-R BS .703 using the 
sensitivity value s (MF 60 
dBμV/ m, HF 40 dBμV/m)  
2.8 RF - Frequen cy 
stability Shall be such that the receiver does 
not require frequen t retuning Req.  
2.9 Audio performance - 
Power  output Power output, for less than 10% 
distortion shall not be less than 
0.1W  Req.  
 
  
15Gulf Standard GSO 2693:2022
© GSO 2022 — All rights reserved.
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لاNo. Resource  Reference/ Details  Req? Notes  
2.10 Audio performance – 
Overall fidelity  Overall fidelity including acoustic 
respons e of loudspeake r shall be at 
least 250-31 50Hz within 18dB 
limits  
or, alternative ly it may be more 
convenient for some ma nufacturers 
to consi der only the ele ctrical 
character istics which shall be at 
least 100-40 00Hz withi n 12dB 
limits ( audio frequ ency of 400 Hz 
should be taken as the r eferen ce 0 
dB level) Req.  
3 FM radio 
3.1 Frequency range  87.5MHz  - 108.00MHz  Req.  
3.2 Type of modulation Receiver shall be designed to 
demodulate: F3 Req. Character  "F" stands for 
Frequency m odulation,  and the 
number "3" de signates the  "One 
channel cont aining analogue 
information" 
3.3 Channel spacing Channels spacing shall be 100 kHz Req. In the case of a tuner using PLL 
(Phase Lock ed Loop) a FM  
receiver sha ll be able to tune the 
receiving frequency in 100 kHz  
steps.  
3.4 RF - Sensitivity Not worse than -75dB rel. 1mW 
(321 dB(μV/m)) Req. Sensitivity of receivers  is 
unde rstood as "noise limited  
sensitivity" in terms of field 
strength, required to achieve  a 
signal to noise r atio of 30dB at 
the 50mW audio output. 
3.5 RF - Signal  to noise 
ratio Better than 30dB  Req.  
3.6 RF – Intermediate 
frequ ency Shall be 10.7MHz 
 
This does not app ly to Software  
Defin ed Radios (SDR). Req. The local oscillator position can 
be 10,7MHz higher  or lower 
from  the receiving frequenc y. 
3.7 RF - Selectivity At least - 30dB at ±300kHz 
 
 
This does not app ly to Software  
Defin ed Radios (SDR). Req. Selectivity of a FM receiver is a 
measure of its ability to 
discriminate between a want ed 
signal to which the receiver  is 
tuned and unwa nted signals 
enter ing th rough the anten na 
circuit. Channel s eparation is 
100kHz. 
3.8 RF – Receiver 
bandwid th Shall be ± 75 kHz 
 
This does not app ly to Software  
Defin ed Radios (SDR). Req.  
3.9 RF – Radiation of the 
local oscillator The local oscillator radiation 
should be less than the limits 
specified by CISPR 22 or EN 
55022. Req. TRA  Technical specification on 
EMC a nd Safety Requ irements to 
be considered. 
3.10 Audio performance – 
power o utput If the Audi o Output is available  
then t he Audio power output shall  
be not les s than 0.1W Req.  
 
  
16Gulf Standard GSO 2693:2022
© GSO 2022 — All rights reserved.
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لاNo. Resource  Reference/ Details  Req? Notes  
3.11 Audio performance – 
Distortion The distortion shall be less than 
5% for a frequency d eviation 
varying between  ±15 kHz a nd ±75 
kHz with  a modulation  frequency 
of 400 Hz and an o utput power  of 
50mW.  Req.  
3.12 Audio performance – 
De-emphasis  De-emphasis of the sound signal 
shall  be 50μs Req.  
3.13 Radio Data System 
(RDS)  Automotive receivers have to 
comply with  the RDS ( Radio Data 
Syste m) stand ard IEC 62106:2018  
Parts 1 to 6  Req. Chapter 3.13 mandatory for 
automotive receiv ers! Opti onal 
for other receivers.  
3.13.1 Basic RDS featur es Programme  Identification (PI) Req. For autom otive receivers! 
3.13.2 Basic RDS featur es Programme  Service (PS) name Req. For autom otive receivers! 
3.13.3 Basic RDS featur es Alternative Frequency (AF) lists Req. For autom otive receivers! 
3.13.4 Basic RDS featur es Traffic  Programme (TP) code  Req. For autom otive receivers! 
3.13.5 Basic RDS featur es Traffic  Announcement (TA) signal Req. For autom otive receivers! 
3.13.6 Additional RDS 
features Decoder  Information  (DI) Opt. For autom otive receivers! 
1 To convert dBm  to dBuV  add 107 dB (for 50 ohm system s) 
17Gulf Standard GSO 2693:2022
© GSO 2022 — All rights reserved.
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لا 
No. Reso urce Reference/ Details  Req? Notes  
3.13.7 Additional RDS 
features Music  Speech (MS) Opt. For autom otive receivers! 
3.13.8 Additional RDS 
features Programme  Type  (PTY) Req. For autom otive receivers! 
The User  should be able to 
switch- on /off P TY function in 
the receiver  and PTY  switch-off 
should be as default. 
3.13.9 Additional RDS 
features Prog ramm e Item Numbe r (PIN) Opt. For autom otive receivers! 
3.13.10 Optional RDS 
Additional Enhanc ed Other Networks 
information (EON) Req. For autom otive receivers! 
3.13.11 Additional RDS 
features Clock Time  and date (CT)  Opt. For autom otive receivers! 
4 User informa tion 
4.1 Easy to Use and 
Simple  Docu mentat ion Receivers shall be simple to set up 
and operate and be provided with  
clear e asy to understand user 
documentati on in both Arabic and  
English in line with  that 
requireme nt. Req.  
4.2 Support Package The following peripheral items 
should be inclu ded within a 
baseline package: 
• Batter ies for Remote contr ol (if 
include d) 
• An e asy to understand user 
manual in both Arabic and English 
• Reception antenna(s) for 
supported band(s) (if antenna is not  
integr ated). Not e: not mandatory 
for automotive receivers.  Req.  
 
 
 
18Gulf Standard GSO 2693:2022
© GSO 2022 — All rights reserved.
ﻟﻠﺻﻧﺎﻋﺔ ﺍﻟﻌﺎﻣﺔ ﺍﻟﻬﻳﺋﺔ ﻣﻥ ﻣﺳﺑﻘﺔ ﻣﻭﺍﻓﻘﺔ ﺑﻌﺩ ﺍلا ﻭﺍﻟﺧﺎﺭﺟﻳﺔ ﺍﻟﺩﺍﺧﻠﻳﺔ ﺍﻟﺷﺑﻛﺔ ﻋﻠﻰ ﺍﻟﻭﺛﻳﻘﺔ ﻫﺫﻩ ﻭﺗﺣﻣﻳﻝ ﻭﻧﺷﺭ ﺑﻁﺑﺎﻋﺔ ﻳﺳﻣﺢ لا