PMR446 – Personal Mobile Radio at 446 MHz

PMR446 (Private or Personal Mobile Radio, 446 MHz) is a license-free service and UHF radio frequency for communication in India and the European Union. Sometimes, they are also called license-free walkie-talkies. Though it is license-free, there are some restrictions on power, bandwidth, etc.

License free


General Statutory Rules - G.S.R. 1047(E) - Use of Low Power and Very Low Power Short Range Radio Frequency Devices (Exemption from Licensing Requirement) Rules, 2018 was published in The Gazette of India, No. 753, PART II—SEC. 3(i), published on 8th October 2018, contains Table V about Personal Mobile Radio 446 MHz device. It exempts the license requirement for portable radio devices of 500 mW e.r.p (effective radiated power), with no base station or repeater use. And that uses an integral antenna.

G.S.R. 1047(E) [PART II—SEC. 3(i)] Table V - Personal Mobile Radio at 446 MHz
G.S.R. 1047(E) [PART II—SEC. 3(i)] Table V - Personal Mobile Radio at 446 MHz

Channels

The frequency range allocated is 446 Mhz to 446.2 Mhz. The rules allow channel spacing of 6.25 kHz (Digital) and 12.5 kHz (analog). The frequency range can accommodate 16 analog or 32 digital channels. Below is the channel plan based on that. I am listing only the Analog channels as the most commonly found devices are analog.

CHANNELAnalog (12.5 kHz Channel Spacing)
CH1446.00625MHz
CH2446.01875MHz
CH3446.03125MHz
CH4446.04375MHz
CH5446.05625MHz
CH6446.06875MHz
CH7446.08125MHz
CH8446.09375MHz
CH9446.10625MHz
CH10446.11875MHz
CH11446.13125MHz
CH12446.14375MHz
CH13446.15625MHz
CH14446.16875MHz
CH15446.18125MHz
CH16446.19375MHz
PMR 446, Analog Channels

Documents

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