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
