Position Update:every 2 minutes Working Frequency:161.975MHz/162.025MHz Output power:5W Channel Bandwidth: 25KHz Channel spacing: 25KHz Modulation mode: 25KHz GMSK Bit rate: 9600b/s+50ppm(GMSK) Transmitting range: about 10nm Dismension: 88X290mm Battery: 7.4V 3AH It will display the voltage in AIS device Working time: 480 hours Working environment: -20℃ ~ 60℃ Waterproof： IPX7
