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این ماژول هم فرستنده و هم گیرنده می باشد در یک پک
UNIVERSAL ISM BAND FSK TRANSCEIVER MODULE
Datasheet:Click here to view Datasheet DESCRIPTION : RFM12 is a low costing ISM band transceiver module implemented with unique PLL. It works signal ranges from 315/433/868/915MHZ bands, comply with FCC, ETSI regulation. The SPI interface is used to communicate with microcontroller for parameter setting. 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
- stand by current less than 0.3µA
Programming Guide RFM12 programming guide
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