What is LFR ?

License-Free Radios (LFR) are radio devices that operate on specific frequencies without the need for a license from the Department of Telecommunications (DoT). These radios are designed to be used for short-range communication, making them ideal for use in small businesses, factories, and other similar settings. The DoT has designated specific frequency bands for LFRs to operate on, including the 136-174 MHz VHF band and the 403-470 MHz UHF band. These frequency bands are well-suited for short-range communication, with a range of up to 3-5 kilometers depending on the terrain and obstacles in the area.


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Frequency Range446 - 446.2 MHzFrequency Range446 - 446.2 MHzFrequency446-446.20MHzFrequency Range446 ~ 446.2 MHzFrequency Range446 - 446.2 MHz
No. of Channel16 ChannelsNo. of Channel16 ChannelsChannel capacity16No. of Channel16 ChannelsNo. of Channel200 Channels
Capacity Battery Life2600 mAh Li-Ion (Standard)Capacity Battery Life2600 mAh Li-Ion (Standard)Freuqency bandUHFChannel SpacingWide Band 25KHz, Narrow band 12.5 KHzWattage13.2V
Operating TemperatureFrom 0ºC to +55ºCOperating TemperatureFrom -0ºC to +55ºCTypical RF output0.5W ERPPhase-locked Step5KHzPower Supply0.5W / 20W
Dimension : H X W X D119 X 56 X 36mmDimension : H X W X D109X55X42 mm (Including Battery)Diamension111X57X43 mmOperating Voltage7.4V DCOperating TemperatureFrom 0°C to +55°C
Weight (Net Weight)155gm (Including Antenna & Battery)Weight (Net Weight)235gm (Including Battery & Antenna)Rated voltageDC: 7.4V 2600mAhCapacity Battery Life2600 mAhDimension : H X W X D120 X 62 X 42mm