Spreading Method / Modulation Scheme Frequency Hopping/Fixed Frequency, GMSK, 2GFSK, 4GFSK, QPSK Forward Error Correction Hamming, BCH, Golay, Reed-Solomon, Viterbi Error Detection 32 bits of CRC, ARQ Encryption Optional (see –AES option) Range Up to 60 miles (100 km) Serial Interface 3.3V CMOS RS232/485 (Selectable) Serial Baud Rate 300 bps to 230 kbps Operating Modes Point-to-Point, Point-to-Multipoint, Store & Forward Repeater, Peer-to-Peer Signals Interface RSSI LEDs, Tx/Rx LEDs, Reset, Config, Wakeup, RSmode, 4 Digital Inputs/Outputs, 1 Analog Input, 1 Analog Output Remote Diagnostics Battery Voltage, Temperature, RSSI, Packet Statistics Rejection Adjacent Channel @ 840 MHz: 57 dB Alternate Channel @ 840 MHz: 65 dB