Main Functions
       Option GPS:Built-in GNSS Module, Support GPS, GLONAS, SBAS Satellite-based            Augmentation System 
       (WAAS/EGNOS/MSAS/GAGAN)
       Small Size for Easy Installation
NMEA Formats (In): RMC, GGA, GNS, GLL, VTG
NMEA Formats (Out): DSC, DSE, RMC, GSA, GSV
Dual Receiver, Independent DSC Dedicated Receiver
Manually Input GPS Latitude and Longitude and Time
IPX7 Waterproof Construction (1m Depth of Water for 30 Minutes)
Speaker Vibration Draining Function
Weather Channel Alarm
Dual/Tri-watch Functions
Scan: Normal Scan and Priority Scan
DSC Call Reception and Transmission Records Can be Queried
Standard NMEA Interface (RS-422 Protocol)
Full Dot Matrix Display
Channel Number Display Digits Selectable: 3 Digits(01B)/ 4 Digits(2001)
Simple Combination of Arrow Keys and Programmable Soft Keys for Smooth Operation
Support Latest Marine Channel Standards and DSC Protocol Standards. 
       DSC Distress Cals in 11 Categories,All DSC Calls in 3 Security Categories

Specifications
Frequency: TX: 156.000-162.000MHz, RX: 156.000-163.425MHz
RF Power: 25W/1W
Channel Group: USA,INT,CAN
Modulation Mode: 16K0G3E(FM), 16K0G2B(DSC)
Frequency Stability: ±5ppm
Power Supply: DC13.8V (±15%)
       Channel Spacing: 25kH
       Operating Temperature: -20℃~+60℃
       Antenna Impedance: 50Ω
       Output Impedance (Audio): 4Ω
Dimensions (WxHxD): 155×68×86mm
Weight: 721g