Economical Narrow Band Radio Modem

The CNM2/CNM3 is an economical easy to use low power narrow band GFSK radio modem module that offers up to 50mW RF power 4800 baud rate data link with 3.3V TTL UART interface.


  • Standard 433.05-434.79MHz (EU), 458.5-459.1MHz (UK), 865-867MHz (India), 868-870MHz (EU), 915-928MHz (NA)
  • Available from 119MHz to 1050MHz  Frequency Programmable
  • 12.5kHz / 25kHz channel spacing Narrow Band Multichannel Frequencies
  • TCXO referenced Fractional-N PLL Frequency Synthesiser
  • ETSI EN 300 220-2 and FCC Part 15.249, FCC Part 90 Emission Mask D compliant
  • <3ms Fast Transmit On Latency
  • 4800 baud rate Transparent (streaming) or direct control over packet operation (command mode)

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