Specifications Model HA 102Connectors VHF antenna connector PL259GPS antenna connector TNCDimension 16 x 14 x 4 cmWeight 0 55 kgPower Input 10 35V DCPower Consumption 0 35A normal 2A peakElectrical Interface RS232 38400 bpsNMEA Sentence VDM VDO RMC GSV GGA GSAAIS Characteristics Frequencies 156 025 MHz 162 025 MHzAccess Scheme SOTDMAChannel Bandwidth 25 kHzModulation GMSKData Rate 9600 bpsChannels Dual Channel CH87B 161 975 MHz CH88B 162 025 MHz Tx Power Output 5W 37dBm ± 1 5dB RX Sensitivity 123dBm 20 PERRX Message Format AIS Class A and B messagesCompliance Standards IEC 62287 IEC62287 2 Ed 2 2017Features 1 Dual Channel Operation Simultaneous data reception on two independent TDMA channels and alternate transmission using a single TDMA transmitter 2 SOTDMA Technology Designed to prevent and resolve communication conflicts for uninterrupted data sharing 3 Versatile Interface External serial data interfaces RS 422 and RS 232 for flexible device connectivity 4 Integrated SOS Functionality Includes a dedicated SOS button for safety message transmission during emergencies 5 Internal GPS Compatibility Provides position COG and SOG data compatible with GPS PCs PDAs ECDIS RADAR and more Package Included 1 x HA 102 Marine AIS Transponder