The SX1231 is a highly integrated RF transceiver capable of operation over a wide frequency range, including the 433, 868 and 915 MHz license-free ISM (Industry Scientific and Medical) frequency bands. Its highly integrated architecture allows for a minimum of external components while maintaining maximum design flexibility.
Features
* High Sensitivity: down to -120 dBm at 1.2 kbps
* High Selectivity: 16-tap FIR Channel Filter
* Bullet-proof front end: IIP3 = -18 dBm, IIP2 = +35 dBm, 80 dB Blocking Immunity, no Image Frequency response
* Low current: Rx = 16 mA, 100nA register retention
* Programmable Pout: -18 to +17 dBm in 1dB steps
* Constant RF performance over voltage range of chip
* FSK Bit rates up to 300 kb/s
* Fully integrated synthesizer with a resolution of 61 Hz
* FSK, GFSK, MSK, GMSK and OOK modulations
* Built-in Bit Synchronizer performing Clock Recovery
* Incoming Sync Word Recognition
* 115 dB+ Dynamic Range RSSI
* Automatic RF Sense with ultra-fast AFC
* Packet engine with CRC, AES-128 encryption and 66- byte FIFO
* Built-in temperature sensor and Low Battery indicator