JianYan Testing Group Shenzhen Co., Ltd.
Report No.: JYTSZ-R12-2400558

Cover Page

RF Exposure Evaluation Report
Report No.:JYTSZ-R12-2400558

Applicant:Hangzhou Roombanker Technology Co., Ltd.

Address of Applicant:A#801 Wantong center, Hangzhou, China

Equipment Under Test (EUT)
Product Name:

Industrial AI Edge Computing Gateway

Model No.:

DSGW-380, DSGW-380-1, DSGW-380-2, DSGW-380-3,
DSGW-380-4, DSGW-380-X(X:1~29)
Roombanker

Trade mark:FCC ID:

2AUXBDSGW-380

Applicable standards:

FCC CFR Title 47 Part 2 (§2.1091)

Date of sample receipt:

26 Feb., 2024

Date of Test:

27 Feb., to 29 May, 2024

Date of report issue:

29 May, 2024

Test Result:

PASS

Project by:Date:

29 May, 2024

Date:

29 May, 2024

Date:

29 May, 2024

Project Engineer
Reviewed by:
Senior Engineer
Approved by:ManagerThis equipment has been shown to be capable of compliance with the applicable technical standards as indicated in the measurement
report and was tested in accordance with the measurement procedures specified in above the application standard version. Test results
reported herein relate only to the item(s) tested.
This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery orfalsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law.
Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 90 days
only.

Report No.: JYTSZ-R12-2400558

1 VersionVersion No.

Date

Description

00

29 May, 2024

Original

JianYan Testing Group Shenzhen Co., Ltd.
Report Template No.: JYTSZ4b-177-C
No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community,
Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China.
Tel: +86-755-23118282, Fax: +86-755-23116366

Project No.: JYTSZR2402032

Page 2 of 11

Report No.: JYTSZ-R12-2400558

2 Contents
Page
Cover Page .............................................................................................................................................................11Version ...........................................................................................................................................................22Contents.........................................................................................................................................................33

General Information ......................................................................................................................................443.1

Client Information ...................................................................................................................................43.2

General Description of E.U.T. ................................................................................................................43.3

Operating Modes ....................................................................................................................................83.4

Additions to, deviations, or exclusions from the method ........................................................................83.5

Laboratory Facility ..................................................................................................................................83.6

Laboratory Location ................................................................................................................................8

Technical Requirements Specification .......................................................................................................94.1

Limits ......................................................................................................................................................94.2

Test Procedure .......................................................................................................................................94.3

Result ...................................................................................................................................................104.4

Conclusion ............................................................................................................................................11

JianYan Testing Group Shenzhen Co., Ltd.
Report Template No.: JYTSZ4b-177-C
No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community,
Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China.
Tel: +86-755-23118282, Fax: +86-755-23116366

Project No.: JYTSZR2402032

Page 3 of 11

Report No.: JYTSZ-R12-24005583 General Information
3.1 Client Information
Applicant:Hangzhou Roombanker Technology Co., Ltd.

Address:

A#801 Wantong center, Hangzhou, China

Manufacturer/Factory:

Zhejiang Dusun Electron Co., Ltd.

Address:

No.640 Feng Qing St, DeQing Zhejiang China

3.2 General Description of E.U.T.
Product Name:

Industrial AI Edge Computing Gateway

Model No.:

DSGW-380, DSGW-380-1, DSGW-380-2, DSGW-380-3, DSGW-380-4,
DSGW-380-X(X:1~29)

Operation Frequency:

BLE Specification
2402MHz-2480MHz

Channel number:

40

Channel separation:

2MHz

Modulation

GFSK

Antenna Type:

External Antenna

Antenna gain:

1.61 dBi (declare by Applicant)Operation Frequency:
Channel Numbers:
Channel Separation:

2.4GWi-Fi Specification
2412 MHz - 2462 MHz (802.11b, g, n-HT20,ax-HE20)
2422 MHz - 2452 MHz (802.11n-HT40, ax-HE40)
11 (802.11b, g, n-HT20, ax-HE20)
7 (802.11n-HT40, ax-HE40)
5MHz

Modulation Technology:(IEEE 802.11b)

DSSS-DBPSK, DQPSK, CCK

Modulation Technology:(IEEE 802.11g/n/ax)

OFDM-BPSK, QPSK, 16QAM, 64QAM

Antenna Type:

External Antenna

Antenna Gain:

Wi-Fi ANT 1 : 1.61 dBi (declare by applicant)
Wi-Fi ANT 2 : 1.61 dBi (declare by applicant)

JianYan Testing Group Shenzhen Co., Ltd.
Report Template No.: JYTSZ4b-177-C
No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community,
Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China.
Tel: +86-755-23118282, Fax: +86-755-23116366

Project No.: JYTSZR2402032

Page 4 of 11

Report No.: JYTSZ-R12-2400558

Operation Frequency:
Channel Numbers:

5GWi-Fi Specification
Band 1: 5150 MHz - 5250 MHz
Band 4: 5725 MHz - 5850 MHz
Band 1: 4 , Band 4: 5 (802.11a, n-HT20, ac-VHT20, ax-HE20)
Band 1, 4: 2 (802.11n-HT40, ac-VHT40, ax-HE40)

Modulation Technology:(IEEE 802.11a/802.11n)

Band 1, 4: 1 (802.11ac-VHT80, ax-HE80)
OFDM-BPSK, QPSK, 16QAM, 64QAM

Modulation Technology:(IEEE 802.11ac)

OFDM-BPSK, QPSK, 16QAM, 64QAM, 256QAM

Modulation Technology:(IEEE 802.11ax)

OFDMA-BPSK, QPSK, 16QAM, 64QAM, 256QAM, 1024QAM

Antenna Type:

External Antenna

Antenna Gain:

Wi-Fi ANT 1 :5.2G 0.75 dBi (declare by applicant)5.8G 0.87 dBi (declare by applicant)
Wi-Fi ANT 2 :5.2G 0.75 dBi (declare by applicant)5.8G 0.87 dBi (declare by applicant)Operation Frequency:

Lora 125KHz Specification
902 MHz - 915 MHz

Channel Numbers:

64

Channel Separation:

200KHzModulation Technology:

Lora

Antenna Type:

External Antenna

Antenna Gain:

1.39 dBi (declare by applicant)Operation Frequency:

Lora 500KHz Specification
923 MHz - 928 MHz

Channel Numbers:

8

Channel Separation:

400KHz,600KHz,

Modulation Technology:

Lora

Antenna Type:

External Antenna

Antenna Gain:

1.31 dBi (declare by applicant)

JianYan Testing Group Shenzhen Co., Ltd.
Report Template No.: JYTSZ4b-177-C
No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community,
Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China.
Tel: +86-755-23118282, Fax: +86-755-23116366

Project No.: JYTSZR2402032

Page 5 of 11

Report No.: JYTSZ-R12-2400558

Modulation Type:WCMDA Specification
WCDMA band II:
1852.4 MHz - 1907.6 MHz
WCDMA band IV: 1712.4 MHz - 1752.6 MHz
WCDMA band V:
826.4 MHz - 846.6 MHz
RMC(QPSK)HSUPA(QPSK)HSDPA(QPSK,16QAM)

Antenna Type:

External Antenna

Antenna Gain:

WCDMA band II:
WCDMA band IV:
WCDMA band V:

Operation Frequency Range:

Operation Frequency Range:

CA Band :Modulation Type:2.14 dBi (declare by Applicant)2.64 dBi (declare by Applicant)-0.82 dBi (declare by Applicant)

LTE Specification
LTE band 2:
Tx: 1850 MHz - 1910 MHz Rx: 1930 MHz - 1990 MHz
LTE band 4:
Tx: 1710 MHz - 1755 MHz Rx: 2110 MHz - 2155 MHz
LTE band 5:
Tx: 824 MHz - 849 MHz
Rx: 869 MHz - 894 MHz
LTE band 7:
Tx: 2500 MHz - 2570 MHz Rx: 2620 MHz - 2690 MHz
LTE band 12: Tx: 699 MHz - 716 MHz
Rx: 729 MHz - 746 MHz
LTE band 13: Tx: 777 MHz - 787 MHz
Rx: 746 MHz - 756 MHz
LTE band 14: Tx: 788 MHz - 798 MHz
Rx: 758 MHz - 768 MHz
LTE band 17: Tx: 704 MHz - 716 MHz
Rx: 734 MHz - 746 MHz
LTE band 25: Tx: 1850 MHz - 1915 MHz Rx: 1930 MHz - 1995 MHz
LTE band 26: Tx: 814 MHz - 849 MHz
Rx: 859 MHz - 894 MHz
LTE band 38: Tx: 2570 MHz - 2620 MHz Rx: 2570 MHz - 2620 MHz
LTE band 41: Tx: 2496 MHz - 2690 MHz Rx: 2496 MHz - 2690 MHz
LTE band 66: Tx: 1710 MHz - 1780 MHz Rx: 2110 MHz - 2200 MHz
LTE band 71: Tx: 663 MHz - 698 MHz
Rx: 617 MHz - 652 MHz
CA_2C, CA_5B, CA_7C, CA_38C, CA_41C, CA_66C
QPSK

16QAM

Antenna Type:

External Antenna

Antenna Gain:

LTE band 2:
LTE band 4:
LTE band 5:
LTE band 7:
LTE band 12:
LTE band 13:
LTE band 14:
LTE band 17:
LTE band 25:
LTE band 26:
LTE band 38:
LTE band 41:
LTE band 66:
LTE band 71:

64QAM

256QAM

2.14 dBi (declare by Applicant)2.64 dBi (declare by Applicant)-0.82 dBi (declare by Applicant)2.31 dBi (declare by Applicant)0.65 dBi (declare by Applicant)-0.24 dBi (declare by Applicant)-0.24 dBi (declare by Applicant)0.65 dBi (declare by Applicant)2.14 dBi (declare by Applicant)-0.82 dBi (declare by Applicant)2.08 dBi (declare by Applicant)2.64 dBi (declare by Applicant)2.64 dBi (declare by Applicant)0.65 dBi (declare by Applicant)

JianYan Testing Group Shenzhen Co., Ltd.
Report Template No.: JYTSZ4b-177-C
No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community,
Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China.
Tel: +86-755-23118282, Fax: +86-755-23116366

Project No.: JYTSZR2402032

Page 6 of 11

Report No.: JYTSZ-R12-2400558

Operation Frequency
Range:

Modulation Type:
Network Mode:

Band n2:Band n5:Band n7:Band n12:
Band n25:
Band n41:
Band n66:
Band n71:
Band n77:
DFT-s-OFDM:NR SpecificationTx: 1850 MHz - 1910 MHz Rx: 1930 MHz - 1990 MHz
Tx: 824 MHz - 849 MHz
Rx: 869 MHz - 894 MHz
Tx: 2500 MHz - 2570 MHz Rx: 2620 MHz - 2690 MHz
Tx: 699 MHz - 716 MHz
Rx: 729 MHz - 746 MHz
Tx: 1850 MHz - 1915 MHz Rx: 1930 MHz - 1995 MHz
Tx: 2496 MHz - 2690 MHz Rx: 2496 MHz - 2690 MHz
Tx: 1710 MHz - 1780 MHz Rx: 2110 MHz - 2200 MHz
Tx: 663 MHz - 698 MHz
Rx: 617 MHz - 652 MHz
Tx: 3700 MHz - 3980 MHz Rx: 3700 MHz - 3980 MHz
Pi/2-BPSK, QPSK, 16-QAM, 64-QAM, 256-QAM

CP-OFDM:

QPSK, 16-QAM, 64-QAM, 256-QAM

SA:n2, n5, n7, n12, n25, n66, n71, n77

SA UL MIMO:n41

NSA(EN-DC):SCS Support:

DC_5A_n2A, DC_12A_n2, DC_13A_n2A, DC_2A_n5A
DC_30A_n5A, DC_66A_n5A, DC_5A_n7A, DC_12A_n7A
DC_2A_n12A, DC_12A_n25A, DC_2A_n41A,
DC_25A_n41A DC_26A_n41A, DC_66A_n41A,
DC_5A_n66A, DC_12A_n66A DC_13A_n66A,
DC_14A_n66A, DC_71A_n66A, DC_2A_n71A
DC_7A_n71A, DC_66A_n71A
FDD Band : 15 kHz, TDD Band : 30 kHz

HPUE Band:n41, n77

Antenna Type:

External Antenna

Antenna Gain:Band n2:2.14 dBi (declare by Applicant)Band n5:-0.82 dBi (declare by Applicant)Band n7:2.31 dBi (declare by Applicant)Band n12:0.65 dBi (declare by Applicant)Band n25:
2.14 dBi (declare by Applicant)Band n41:2.64 dBi (declare by Applicant)Band n66:
2.64 dBi (declare by Applicant)Band n71:
0.65 dBi (declare by Applicant)Band n77:
4.29 dBi (declare by Applicant)
The test samples were provided in good working order with no visible defects.

Test Sample Condition:

JianYan Testing Group Shenzhen Co., Ltd.
Report Template No.: JYTSZ4b-177-C
No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community,
Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China.
Tel: +86-755-23118282, Fax: +86-755-23116366

Project No.: JYTSZR2402032

Page 7 of 11

Report No.: JYTSZ-R12-2400558

3.3 Operating Modes
Operating mode

Detail description

BLE mode
2.4G WIFI mode
5.2G WIFI mode
5.8G WIFI mode
Lora mode
WCDMA mode

Keep the EUT in continuously transmitting in BLE mode
Keep the EUT in continuously transmitting in 2.4G WIFI mode
Keep the EUT in continuously transmitting in 5.2G WIFI mode
Keep the EUT in continuously transmitting in 5.8G WIFI mode
Keep the EUT in continuously transmitting in Lora mode
Keep the EUT in continuously transmitting in WCDMA Band 2/4/5 mode
Keep the EUT in continuously transmitting in LTE Band
2/4/5/7/12/13/14/17/25/26/38/41/66/71 mode
Keep the EUT in continuously transmitting in 5G NR n2/5/7/12/25/41/66/77/71 mode

LTE mode
5G NR mode

3.4 Additions to, deviations, or exclusions from the method
No

3.5 Laboratory Facility
The test facility is recognized, certified, or accredited by the following organizations: FCC - Designation No.: CN1211
JianYan Testing Group Shenzhen Co., Ltd. has been accredited as a testing laboratory byFCC(Federal Communications Commission). The test firm Registration No. is 727551.
 ISED – CAB identifier.: CN0021
The 3m Semi-anechoic chamber and 10m Semi-anechoic chamber of JianYan Testing GroupShenzhen Co., Ltd. has been Registered by Certification and Engineering Bureau of Industry Canadafor radio equipment testing with Registration No.: 10106A-1.
 CNAS - Registration No.: CNAS L15527
JianYan Testing Group Shenzhen Co., Ltd. is accredited to ISO/IEC 17025:2017 GeneralRequirements for the Competence of Testing and Calibration laboratories for the competence oftesting. The Registration No. is CNAS L15527.
 A2LA - Registration No.: 4346.01
This laboratory is accredited in accordance with the recognized International Standard ISO/IEC17025:2017 General requirements for the competence of testing and calibration laboratories. The test
scope can be found as below link: https://portal.a2la.org/scopepdf/4346-01.pdf

3.6 Laboratory Location
JianYan Testing Group Shenzhen Co., Ltd.
Address: No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community,
Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China.
Tel: +86-755-23118282, Fax: +86-755-23116366
Email: info-JYTee@lets.com, Website: http://jyt.lets.com

JianYan Testing Group Shenzhen Co., Ltd.
Report Template No.: JYTSZ4b-177-C
No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community,
Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China.
Tel: +86-755-23118282, Fax: +86-755-23116366

Project No.: JYTSZR2402032

Page 8 of 11

Report No.: JYTSZ-R12-2400558

4 Technical Requirements Specification
4.1 Limits
The criteria listed in the following table shall be used to evaluate the environment impact of human exposure toradio frequency (RF) radiation as specified in 1.1307(b)Frequency range
Electric field strength
Magnetic field strength
Power density Averaging time2(MHz)(V/m)(A/m)(mW/cm )(minutes)(A) Limits for Occupational/Controlled Exposures
0.3–3.0614

1.63*(100)

62

3.0–301842/f4.89/f*(900/f )630–300

61.4

0.163

1.0

6300–1500

f/300

61500–100,000

56(B) Limits for General Population/Uncontrolled Exposure
0.3–1.34

614

1.63

*(100)

30

2*(180/f )30

1.34–30824/f

2.19/f30–300

27.5

0.073

0.2

30

300–1500

f/150030

1500–100,000

1.030

4.2 Test Procedure
Equation from page 18 of OET Bulletin 65, Edition 97-01

Where:
S = power density
P = power input to the antenna
G = numeric gain of the antenna in the direction of interest relative to an isotropic radiator
R = distance to the centre of radiation of the antenna

JianYan Testing Group Shenzhen Co., Ltd.
Report Template No.: JYTSZ4b-177-C
No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community,
Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China.
Tel: +86-755-23118282, Fax: +86-755-23116366

Project No.: JYTSZR2402032

Page 9 of 11Report No.: JYTSZ-R12-2400558

4.3 Result
ModeMaximum
Outputpower(dBm)

Maximum
Outputpower(mW)

802.11n20

16.66

46.35802.11n40

17.54956.87

802.11n20

17.78760.08

BLE 2M

6.246

4.21

LORA

12.58

18.11

LORA

12.77

18.92

Band 2
Band 4
Band 5

25.00
25.00
25.00

316.23316.23316.23

Band 2
Band 4
Band 5
Band 7
Band 12Band 13Band 14
Band 17
Band 25
Band 26
Band 38
Band 41
Band 66
Band 71

25.00
25.00
25.00
25.00
25.00
25.00
25.00
25.00
25.00
25.00
28.00
28.00
25.00
25.00

316.23316.23316.23316.23316.23316.23316.23316.23316.23316.23630.96630.96316.23316.23n2n5n7n12n25
n41
n66
n71
n77

25.0025.00
25.00
25.00
25.00
28.00
25.00
25.00
28.00

316.23316.23316.23316.23316.23630.96316.23316.23630.96

AntennaGain(dBi)

AntennaGain(numeric)

2.4G Wi-Fi
1.61
1.45
5.2G Wi-Fi
0.75
1.19
5.8G Wi-Fi
0.87
1.22
BLE
1.61
1.45
LORA 125KHz
1.39
1.38
LORA 500KHz
1.31
1.35
WCDMA
2.14
1.64
2.64
1.84
-0.82
0.83
LTE
2.14
1.64
2.64
1.84
-0.82
0.83
2.31
1.7
0.65
1.16
-0.24
0.95
-0.24
0.95
0.65
1.16
2.14
1.64
-0.82
0.83
2.08
1.61
2.64
1.84
2.64
1.84
0.65
1.16
NR
2.14
1.64
-0.82
0.83
2.31
1.7
0.65
1.16
2.14
1.64
2.64
1.84
2.64
1.84
0.65
1.16
4.29
2.69

Distance(cm)

Result2(mW/cm )Limits for
GeneralPopulation/
Uncontrolled
Exposure2(mW/cm )20.00

0.01341.000020.00

0.01351.000020.00

0.01461.000020.00

0.00121.000020.00

0.00500.600020.00

0.00510.6000

20.00
20.00
20.00

0.10320.11580.05001.00001.00000.5493

20.00
20.00
20.00
20.00
20.00
20.00
20.00
20.00
20.00
20.00
20.00
20.00
20.00
20.00

0.10320.11580.05220.10700.07300.05980.05980.07000.10320.05220.20000.23110.11580.07301.00001.00000.54931.00000.46600.51800.52530.46931.00000.54271.00001.00001.00000.4420

20.00
20.00
20.00
20.00
20.00
20.00
20.00
20.00
20.00

0.10320.05220.10700.07300.10000.23110.11580.07300.33781.00000.54931.00000.46601.00001.00001.00000.44201.0000JianYan Testing Group Shenzhen Co., Ltd.
Report Template No.: JYTSZ4b-177-C
No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community,
Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China.
Tel: +86-755-23118282, Fax: +86-755-23116366

Project No.: JYTSZR2402032

Page 10 of 11

Report No.: JYTSZ-R12-2400558
Simultaneous transmission(Worse mode):
ANT No.
BLE ANT
Lora ANT
Wi-Fi ANTWCDMA/LTE/NR ANTModeBLE
Lora 500KHz
5.2GWi-Fi
5G n77

Ratio
0.00120.00850.0146
0.3378

Total Ratio

Limit0.3621

1.00

Note:
1. Just the worst case mode was shown in report.
2. WCDMA/LTE/NR Maximum Output power please refer to FCC ID: XMR2020RM500QAE, report No.:
2011RSU077-U8 . Reports was issued by Hefei Panwin Technology Co., Ltd.
3. 2.4G/5.2G/5.8G Wi-Fi Maximum Output power please refer to FCC ID: 2AL6KBL-M8852BS2, MPE report.
Reports was issued by Shenzhen ZKT Technology Co., Ltd.

4.4 Conclusion
The device is exempt from the SAR test and satisfies RF exposure evaluation.

------End of report------JianYan Testing Group Shenzhen Co., Ltd.
Report Template No.: JYTSZ4b-177-C
No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community,
Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China.
Tel: +86-755-23118282, Fax: +86-755-23116366

Project No.: JYTSZR2402032

Page 11 of 11