The O utline of Proposed Amendment to  Ministerial O rdinance  
 
1. Item 
Partial  amendment of Regulations for Radio Equipment  
 
2. Amendment to ministerial ordinance  
 Ordinance Regulating Radio Equipment [Partial amendment]  
 Ordinance Concerning Technical Regulations Co nformity Certification of 
Specified Radio Equipment [Partial amendment]  
 
3. Reason s for amendment  
In accordance with the frequency reallocation due to  the digitalization of terrestrial 
television broadcasting, frequency band s for specified radio microphones a nd specified 
digital radio microphones  are to be migrated.  The government of Japan amends the 
technical standards on such  equipment accordingly .  
 
4. Outline of the amendment  
(1) Specified Radio Microphones  
In accordance with the frequency reallocation, the t echnical regulations on  specified 
radio microphones are established as follows:  
 
Technical requirements of radio equipment  (excerption)  
Item New  New  Current  
Frequency  Exceed the 470MHz  
714MHz or less  Exceed the 1240MHz  
1252MHz  or less  
And 
Exceed the 1253MHz  
1260MHz  or less  Exceed the 779MHz  
788MHz  or less  
And 
Exceed the 797MHz  
806MHz  or less  Occupied 
Bandwidth  Those within ( ±)40kHz 
frequency deviation  : 
110kHz  
 
Those within ( ±)60kHz 
exceed ( ±)40kHz 
frequency deviation  : 
160kHz  
 
Those within ( ±)150kHz 
exceed ( ±)60kHz 
frequency deviation  : 
330kHz  
 
Those of stereo 
transmission scheme  : 
250kHz  Those within ( ±)40kHz 
frequency deviation  : 
110kHz  
 
Those within ( ±)60kHz 
exceed ( ±)40kHz 
frequency deviation  : 
160kHz  
 
Those within ( ±)150kHz 
exceed ( ±)60kHz 
frequenc y deviation  : 
330kHz  
 
Those of stereo 
transmission scheme  : 
250kHz  Those within ( ±)40kHz 
frequency deviation  : 
110kHz  
 
 
 
 
 
 
Those within ( ±)150kHz 
exceed ( ±)60kHz 
frequency deviation  : 
330kHz  
 
Those of stereo 
transmission scheme  : 
250kHz  
Spurious 
emission  
Or 
Allowable 
Value of the 
intensity of 
the 
unwanted 
emission  Allowable value of the 
intensity of out -of-band 
spurious emission in the 
region  
2.5μW following  
 
Allowable value of 
unwanted emission 
intensity in the region of 
spurious  
4nW following  
However , within less 
than ±1MHz 2.5 μW from 
the center frequency  Allowable value of the 
intensity of out -of-band 
spurious emission in the 
region  
2.5μW following  
 
Allowable value of 
unwanted emission 
intensity in the region of 
spurious  
2.5μW following  Allowable value  of the 
intensity of out -of-band 
spurious emission in the 
region  
2.5μW following  
 
Allowable value of 
unwanted emission 
intensity in the region of 
spurious  
2.5μW following  The 
tolerance of 
the antenna 
power  ＋20％And－50％ ＋50％And－50％ ＋50％And－50％ 
Things fit 
into the 
housing of a  It shall not be possible 
and open, housed in an 
enclosure, easily.  
 However, its equivalent 
in power equipment, 
transmitter, antenna,  and 
other auxiliary equipment, 
dispensing equipment and 
apparatus for line 
compensation of radio 
equipment of radio 
microphone for ear 
monitors, it is assumed 
that this shall not apply.  It shall not be possible 
and open, housed in an 
enclosure, easily.  
 However, its equivalent 
in power equipment, 
transmitter, antenna,  and 
other auxiliary equipment, 
dispen sing equipment and 
apparatus for line 
compensation of radio 
equipment of radio 
microphone for ear 
monitors, it is assumed 
that this shall not apply.  It shall not be possible 
and open, housed in an 
enclosure, easily.  
 However, its equivalent 
in power equipm ent, 
transmitter, and other 
auxiliary equipment, 
dispensing equipment and 
apparatus for line 
compensation of radio 
equipment of radio 
microphone for ear 
monitors, it is assumed 
that this shall not apply.  
Modulation 
frequency  20kHz within  
 However, with re gard to 
those of stereo 
transmission scheme, 
within 53000Hz  
 In addition, there is that 
you use the following: the 
frequency of the tone 
signal is greater than 
40000Hz 15000Hz, for 
which the frequency 
deviation of the signal by 
the carrier is within (±) 
2kHz, this shall not apply.  20kHz within  
 However, with regard to 
those of stereo 
transmission scheme, 
within 53000Hz  
 In addition, there is that 
you use the following: the 
frequency of the tone 
signal is greater than 
40000Hz 15000Hz, for 
which the frequency  
deviation of the signal by 
the carrier is within (±) 
2kHz, this shall not apply.  15kHz within  
 However, with regard to 
those of stereo 
transmission scheme, 
within 53000Hz.  
 In addition, there is that 
you use the following: the 
frequency of the tone 
signal  is greater than 
40000Hz 15000Hz, for 
which the frequency 
deviation of the signal by 
the carrier is within (±) 
2kHz, this shall not apply.  Allowable 
value of 
adjacent 
leakage 
power  Taken within the 
occupied bandwidth is 
110kHz  
 In the case where the 
input  voltage is applied to 
36dB higher than the 
input voltage required for 
modulation of the 
frequency deviation of (±) 
5kHz, within a band of 
(±) 55kHz frequency of 
250kHz away from the 
frequency of the carrier at 
a frequency of 1000Hz  
radiation to be that p ower 
shall be more than 60dB 
lower than the power 
carrier.  
 
Taken within the 
occupied bandwidth 
exceeding 160kHz 
110kHz  
 In the case where the 
input voltage is applied to 
36dB higher than the 
input voltage required for 
modulation of the 
frequency deviation  of (±) 
7.5kHz, in -band (±) 
80kHz frequency of 
500kHz away from the Taken within the 
occupied bandwidth is 
110kHz  
 In the case where the 
input voltage is applied to 
36dB higher than the 
input voltage required for 
modulation of the 
frequency deviation of (±) 
5kHz, within a band of 
(±) 55kHz frequency of 
250kHz away from the 
frequency of the carrier at 
a frequency of 1000Hz  
radiation to be that power 
shall be more than 60dB 
lower than the power 
carrier.  
 
Taken within the 
occupied bandwidth 
exceeding 160kHz 
110kHz  
 In the case where the 
input voltage is applied to 
36dB higher than the 
input voltage required for 
modulation of the 
frequency deviation of (±) 
7.5kHz, in -band (±) 
80kHz frequency of 
500kHz away from the Those within (±) 40kHz 
frequ ency deviation  
 
 In the case where the 
input voltage is applied to 
36dB higher than the 
input voltage required for 
modulation of the 
frequency deviation of (±) 
5kHz, within a band of 
(±) 55kHz frequency of 
250kHz away from the 
frequency of the carrier at 
a frequency of 1000Hz  
radiation to be that power 
shall be more than 60dB 
lower than the power 
carrier.  
 
 
 
 
 
 
 
 
 
 
 
 
 
 frequency of the carrier at 
a frequency of 1000Hz  
radiation to be that power 
shall be more than 60dB 
lower than the power 
carrier.  
 
Taken within the 
occupied bandwidth 
exceeding 330kHz 
160kHz  
 In the case where the 
input voltage is applied to 
36dB higher than the 
input voltage required for 
modulation of the 
frequency deviation of (±) 
2.4kHz, in -band (±) 
165kHz frequency of 
500kHz away from the 
frequency of the carrier at 
a frequency of 100 0Hz  
radiation to be that power 
shall be more than 60dB 
lower than the power 
carrier.  
 
Those of stereo 
transmission scheme  
 In the case where the 
input voltage is applied to 
25dB higher than the frequency of the carrier at 
a frequency of 1000Hz  
radiation to be that power 
shall be more than 60dB 
lower than the power 
carrier.  
 
Taken within the 
occupied bandwi dth 
exceeding 330kHz 
160kHz  
 In the case where the 
input voltage is applied to 
36dB higher than the 
input voltage required for 
modulation of the 
frequency deviation of (±) 
2.4kHz, in -band (±) 
165kHz frequency of 
500kHz away from the 
frequency of the carrie r at 
a frequency of 1000Hz  
radiation to be that power 
shall be more than 60dB 
lower than the power 
carrier.  
 
Those of stereo 
transmission scheme  
 In the case where the 
input voltage is applied to 
25dB higher than the  
 
 
 
 
 
 
 
Those within (±) 150kHz 
exceed (±) 40kHz 
frequency deviation  
 In the case where the 
input voltage is applied to 
36dB higher than th e 
input voltage required for 
modulation of the 
frequency deviation of (±) 
2.4kHz, in -band (±) 
165kHz frequency of 
500kHz away from the 
frequency of the carrier at 
a frequency of 1000Hz  
radiation to be that power 
shall be more than 60dB 
lower than the powe r 
carrier.  
 
Those of stereo 
transmission scheme  
 In the case where the 
input voltage is applied to 
25dB higher than the input voltage required for 
modulation of the 
frequency deviat ion of (±) 
28.5kHz, in -band (±) 
125kHz frequency of 
500kHz away from the 
frequency of the carrier at 
a frequency of 1000Hz  
radiation to be that power 
shall be more than 60dB 
lower than the power 
carrier.  input voltage required for 
modulation of the 
frequency deviation of (±) 
28.5kHz, in -band (±) 
125kHz frequency of 
500kHz away from the 
frequency of the carrier at 
a frequency of 1000Hz  
radiation to be that power 
shall be more than 60dB 
lower than the power 
carrier.  input voltage required for 
modulation of the 
frequency deviation of (±) 
28.5kHz, in -band (±) 
125kHz frequency of 
500kHz away from the 
frequency of the carrier at 
a frequency of 1000Hz  
radiation to be that power 
shall be more than 60dB 
lower than the power 
carrier.  
Absolute 
gain of 
transmitting 
antenna  2.14dBi  
 However, the analog 
method, can be used to 
monitor Year 7dBi 
directional anten na 2.14dBi  
 However, the analog 
method, can be used to 
monitor Year 7dBi 
directional antenna  2.14dBi  
Antenna 
power  Less than 10mW  Less than 50mW  Less than 10mW  
 
(2) Specified Digital Radio Microphones  
 In accordance with the frequency reallocation, the t echnical regulations on  specified 
digital radio microphones  are established as follows:  
 
Technical requirements of radio equipment (excerption)  
Item New  New  Current  
Frequency  Exceed the 470MHz  
 714MHz or less  Exceed  the 1240MHz  
 1252MHz or less  
 And Exceed the 770MHz  
 806MHz or less   Exceed the 1253MHz  
 1260MHz or less  
Spurious 
emission  
 Or 
 Allowable 
value of the 
intensity of 
the 
unwanted 
emission  Allowable value of the 
intensity of out -of-band 
spurious emission in the 
region  
 2.5μW following  
 
 Allowable value of 
unwanted emission 
intensity in the region of 
spurious  
 4nW following  
 However, within less 
than ± 1MHz 2.5μW from 
the center frequency  Allowable value of the 
intensity of out -of-band 
spurious emission in the 
region  
 2.5μW following  
 
 Allowable value of 
unwanted emission 
intensity in the region of 
spurious  
 2.5μW following  Allowable value of the 
intensity of out -of-band 
spurious emission in the 
region  
 2.5μW following  
 
 Allowable value of 
unwanted emission 
intensity in t he region of 
spurious  
 2.5μW following  
The 
tolerance of 
the antenna 
power  ＋20％And－50％ ＋50％And－50％ ＋50％And－50％ 
Things fit 
into the 
housing of a  It shall not be possible 
and open, housed in an 
enclosure, easily.  
 However, its equivalent 
in power equipment,  
transmitter, antenna,  and 
other auxiliary equipment, 
dispensing equipment and 
apparatus for line 
compensation of radio It shall not be possible 
and open, housed in an  
enclosure, easily.  
 However, its equivalent 
in power equipment, 
transmitter, antenna , and 
other auxiliary equipment, 
dispensing equipment and 
apparatus for line 
compensation of radio It shall not be possible 
and open, housed in an 
enclosure, easily.  
 However, its equivalent 
in power equipment, 
transmitter, and other 
auxiliary equipment, 
dispensing equipment and 
apparatus for line 
compensation of radio equipment of radio 
microphone for ear 
monitors, it is assumed 
that this shall not apply.  equipment of radio 
microphone for ear 
monitors, it is assumed 
that this shall not apply.  equipment of radi o 
microphone for ear 
monitors, it is assumed 
that this shall not apply.  
 
 
5. Proposed dat e of entry into force  
End of  July, 2012