Specifications   Data Transfer Rate Variable to 9,600 bps (uncompressed) Error Correction and Detection FEC, CRC Address Range 48 bit Address Types Broadcast, Fleet, Group, Individual Link Establishment Time Typically <1000mS (ATD mode, single channel, >20dB S/N) Compression Ratio Variable: 2:1 to 10:1, Typically 4:1 (Optional) Processor 52 MIPS DSP Memory 2Mb Flash 1Mb SRAM Data Encryption 56 bit or 128 bit AES (Optional) Transceiver Interface Audio input range from 100mVpp to 1Vpp (Impedance 20K ohms, maximum input level 1.5Vpp) Audio output range from 138mVpp to 1.6Vpp (Minimum resistive load 150 ohms) Module Interconnection RS-485 Serial Ports 3 programmable Status LED’s Power, TX, RX Digital Inputs 4 Digital Outputs 8 (minimum 1 used by transceiver) Audio Inputs 2 (minimum 1 used by transceiver) Audio Outputs 2 (minimum 1 used by transceiver) Other Battery Backed onboard Real Time Clock / Calendar Individual Electronic Serial Number Operating Temperature -10° to +60° C Primary Power 12 V DC nominal @ 50mA 10-30 V DC operating range Size 110mm W x 75mm D x 26mm H (including connectors) Weight 180g