Specified low-power radio equipment (Item 8 of Article 2 Paragraph 1 of Certification Ordinance)
for telemeter, telecontrol or data tranmission (315MHz band)




Items

Technical standards

Assigned frequency or designated frequency Assigned frequency : 313.625MHz
(Designated frequency band : 312-315.25MHz)
Tolerance of occupied bandwidth 1MHz or less
Tolerance of unwanted emission intensity EIRP (excluding the designated frequency band)
1 GHz or lower: 250 nW / 100 kHz or less
Over 1 GHz: 1 µW / 1 MHz or less
Antenna power EIRP:
Over 312 MHz to 315.05 MHz: 250 µW or less
Over 315.05 MHz to 315.25 MHz: 25 µW or less
Tolerance:
Upper limit: +20%, Lower limit: Not specified.
Limit of secondary radiated emissions 1GHz or lower: 4nW/100kHz or less(EIRP)
Over 1GHz: 4nW/1MHz or less(EIRP)
Transmission time control Duration of transmission and suspension
For radio equipment which transmission is not periodic;
Duration of transmission: 5 sec or less
However, 90 sec or less for radio equipment which transmission is manually performed

For radio equipment which transmission is periodic;
Duration of transmission at a time: 1 sec or less
Duration of transmission suspension: 30 times or more of transmission duration and 10 sec or more
However, when radio equipment is used for safety traffic of vehicles and any compelling
Note ----

Notice: Regulations in the Ordinance Regulating Radio Equipment shall have priority over the descriptions in the sheet when any difference is found between them. Further above descriptions do not cover all of the regulations.

Copyright 2007 TELECOM ENGINEERING CENTER.