WPC Issued A New Rule On The Low Power Radio Frequency Devices Operating In 433.05-434.79 MHz
On May 9, 2022, the Wireless Planning and Coordination Wing (WPC) in India officially issued a new Notification---‘‘The Use of Low Power Radio Frequency Devices in the frequency band 433.05 to 434.79 MHz (Exemption from License) Rules, 2022’’.
Specified frequency band and the technical specification is in the Table given below.
Frequency range (MHz) | Transmit/Radiated Power limit | Spectrum access and mitigation requirements | Modulation/ maximum occupied bandwidth | Notes | *EN No |
433.05-434.79 | 10 mW e.r.p. | ≤ 10% duty cycle | Not specified | ------ | EN 300 220 |
433.05-434.79 | 1 mW e.r.p. | Note 1 | Not specified | Power density limited to -13 dBm/10 kHz for wideband modulation with a bandwidth greater than 250 kHz | |
433.05-434.79 | 10 mW e.r.p. | Note 1 | ≤ 25 kHz |
Note 1: Voice applications are allowed with a maximum bandwidth of 25 kHz, with a spectrum access technique such as LBT or equivalent and a maximum transmit period of 1 minute for each transmission. Other audio/ video applications are excluded.
The Rule have already come into force after the Official Gazette published. The ETA Cert that has been obtained would be still valid till the end of the life of such device.
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