RF73 2.4G RF transceiver

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RF70 is a low-power, high-speed FSK/GFSK transceiver specifically operating in the world wide ISM frequency band at 2400 - 2483.5 MHz.


RF73 features low cost, small size, high stability and good consistency. The maximum air data rate can be up to 2Mbps. It can be widely applied in various wireless connections in daily life or activities. It is compliant with the specifications regulated and required by FCC and ETSI.


  • 4-pin SPI interface with maximum 8 MHz clock rate
  • Support max 2 Mbps air data rate
  • FSK/GFSK modulation
  • Programmable output power: -35 ~ +5 dBm
  • Rx sensitivity -88dBm at the 1M data rate
  • Programmable frequency range 2400-2483.5MHz, 83 channels selectable
  • Ultra low power consumption
  • Data buffering, burst data transmission, auto re-transmission and auto acknowledge
  • 6 data pipes for 1:6 star networks
  • Low-price MCU enables high-performance RF system
  • Tolerate +/- 60ppm 16 MHz crystal


  • Working frequency: 2400MHz-2483.5MHz
  • Modulation: FSK/GFSK
  • Tx Output Power: 5dBm(1mW)
  • Rx sensitivity: -88dBm
  • Data rate: 250K/1M£¯2Mbps¡¡
  • Tx current: £¼30mA¡¡
  • Rx current: £¼23mA¡¡
  • Standby current: £¼3uA¡¡
  • Channel selection: 83 channels
  • Data interface: SPI
  • Operating temperature: -40-85°C
  • Power supply: DC 1.9V¡«3.6V
  • Size: 16.8x12.8mm(PCB antenna included)


  • Wireless mouse, keyboard and gamepad
  • Wireless audio and headsets
  • Children finder and tracker
  • Medical equipment and remote control
  • Logistics tracker, warehouse inspector, E-label, etc.
  • Wireless applications of consumer electronics
  • Low consumption telemeter
  • Wireless sensor network(WSN)



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