Friday, July 13, 2012

RX12-915D RF 915MHz FSK Transceiver

RX12-915D RF 915MHz FSK Transceiver 
RFM12 is a low costing ISM band FSK transceiver module implemented with unique PLL. It works signal optional ranges from 315/433/868/915MHZ bands

Features:

  • low costing, high performance and price ratio
  • tuning free during production
  • PLL and zero IF technology
  • fast PLL lock time
  • high resolution PLL with 2.5KHz step
  • high data rate (up to 115.2 kbps with internal demodulator)
  • differential antenna input
  • automatic antenna tuning
  • Programmable TX frequency deviation (15 to 240 KHz)
  • programmable receiver bandwidth (67 - 400 kHz)
  • analog and digital signal strength indicater(ARSSI/DRSSI)
  • AFC
  • DQD
  • Internal data filtering and clock recovery
  • RX synchron pattern recognition
  • SPI interface
  • clock and reset signal output for external MCU use
  • 16 bit RX Data FIFO
  • Two 8 bit TX data registers
  • 10MHz crystal for PLL timing
  • wakeup timer
  • 2.2V - 5.4V power supply
  • low power consumption

specifications:

- Power Supply: 2.2V to 5.4V (5V Typ)
- The working frequency: 915 MHz
- Interface: SPI
- Data rate: 115.2 kbps in digital mode and 256 kbps
- Modulation: FSK


TYPICAL APPLICATIONS

  • Remote control
  • Home security and alarm
  • Wireless keyboard/mouse and other PC peripherals
  • Toy controls
  • Remote keyless entry
  • Tire pressure monitoring
  • Telemetry
  • Remote automatic meter reading
  • stand by current less than 0.3µA