RS20S VHF Radio with GPSFeatures:Built in GPS AntennaReceive GPS data from a compatible GPS unit: SMA connector for optional external GPS antenna (000-13613-001)Replaces the current RS12 entry level VHFNMEA2000 connectivity for advanced functionality like backlight grouping when connected to Simrad MFDsNMEA0183 connectivityOutput DSC (for DSC call), DSE ( for enhanced position when doing Lat/Long request and Buddy Track).New front mountable mechanical design for easy installationLow profile design to align with style of Simrad MFDsFull inbuilt country specific channel banksno requirement for LC programming or cloningStart Up Wizard:Region & Country selectionEnter MMSICall signGPS source selectionTime offsetImproved SCAN Features:ALL SCANALL CHANNELS + 16MY CHANNELSMY CHANNELS + 16Favourites Shortcut:Customizable favourite functionsDefaultsContrastSensitivityVHF infoChannel Name:My ChannelsSet Channels as favourite channelsEnter favourite channel mode by long pressing channel dialOnly favourite channels will be included in channel scrollingTrack up to 5 Buddies:Track buddy is a feature that automatically requests the position of another VHF radio. Simply enter the MMSI of the VHF into your contact list, then start tracking!Feature for Simrad entry level VHF radiosPolls your contacts for their Lat/Long position automaticallyCan be set to 1, 5, 15, 30 or 60 minute intervalsDisplays the position on a compatible chart plotterGreat for keeping track of friends, family or vessels you need to know the position of Specifications:NMEA 2000: YesBuilt-In GPS: YesAIS: NoScrambler Capable: NoRemote Mic Capable: NoHailer: NoColor: BlackIntercom Capability: NoBox Dimensions: 7″H x 9″W x 11″L WT: 4.85 lbsUPC: 9420024172797Owner’s Manual (pdf)