HopeRF RFM12B 915MHz S2 Transceiver

RFM12B 915MHz S2 Transceiver

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Overview:

HopeRF's RFM12B is a single chip, low power, multi-channel FSK transceiver designed for use in applications requiring FCC or ETSI conformance for unlicensed use in the 433 MHz band. The RFM12B transceiver produces a flexible, low cost, and highly integrated solution that does not require production alignments. The chip is a complete analog RF and baseband transceiver. All required RF functions are integrated in module and accessed using the firmware command interface via SPI communication.

Also available in 433MHz.

Check out a wireless chat project using the RFM12B or download the project files.

HopeRF RFM12B

Features:

  • Low cost, high performance and price ratio
  • Tuning free during production
  • Supply Voltage: 2.2-3.8V
  • Operates in 915MHz frequency band
  • Excellent range (>150 meters/500 feet)
  • Easy communication with microcontroller via SPI communication
  • PLL and zero IF technology
  • Fast PLL lock time
  • High resolution PLL with 2.5 KHz step
  • High data rate (up to 115.2 kbps with internal demodulator，with external RC filter highest data rate is 256 kbps)
  • Low power consumption, standby current less than 0.3uA
  • RoHS Compliant
  • Data Sheet

Also available on a breakout board!