有关注过ST的SPIRIT1的吗?好像不错耶!
更低功耗的短距离transciever,允许更大的链路损耗!■ Frequency bands: 150-174 MHz,300-348MHz, 387-470 MHz, 779-956 MHz
■ Modulation schemes: 2-FSK, GFSK,MSK,GMSK, OOK, and ASK
■ Air data rate from 1 to 500 kbps
■ Very low power consumption (9 mA RX and 21mA TX at +11 dBm)
■ Programmable RX digital filter from 6KHz to 800 kHz
■ Programmable channel spacing 12.5KHz min.)
■ Excellent performance of receive sensetivity -120 dBm), selectivity, and blockin
■ Programmable output power up to +11dBm
■ Fast startup and frequency synthesizer settling time (6 µs)
■ Frequency offset compensation
■ Integrated temperature sensor
■ Battery indicator and low battery detector
■ RX and TX FIFO buffer (96 bytes each)
■ Configurability via SPI interface
■ Automatic acknowledgement, retransmission,and timeout protocol engine
■ AES 128-bit encryption co-processor
■ Antenna diversity algorithm
■ Fully integrated ultra low power RC oscillator
■ Wake-up on internal timer and wake-up on external event
■ Flexible packet length with dynamic payload length
■ Sync word detection
■ Address check
■ Automatic CRC handling
■ FEC with interleaving
■ Digital RSSI output
■ Programmable carrier sense (CS) indicator
■ Automatic clear channel assessment (CCA) before transmitting (for listen-before-talk systems). Embedded CSMA/CA protocol
■ Programmable preamble quality indicator (PQI)
■ Link quality indication (LQI)
■ Whitening and de-whitening of data
■ Wireless M-BUS, EN 300 220, FCC CFR47 15 (15.205, 15.209, 15.231, 15.247, 15.249), and ARIB STD T-67, T93, T-108 compliant
■ QFN20 4x4 mm RoHS package
■ Operating temperature range from -40 °C to 85°C
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