SPARKFUN33日以内出荷
Description。The RFM69HCW uses an SPI(Serial Peripheral Interface)to communicate with a host microcontroller, and several good Arduino libraries are available. It supports up to 256 networks of 255 nodes per network, features AES encryption to keep your data private, and transmits data packets up to 66 bytes long.。Features。+20 dBm - 100 mW Power Output Capability。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 +20 dBm in 1dB steps。Constant RF performance over voltage range of module。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-16, AES-128, 66-byte FIFO。Built-in temperature sensor