Si-Tex AIS Class B Transceiver w/External GPS Antenna SAS-300. AIS data can be received from all types of Class B or Class A transponders and can be displayed either on a "radar" type display with chart overlay or without. The vivid graphics and the simple menu structure on the 6.5 inch high resolution displays make the unit easy to use. The data is easy to access and the information easy to analyze enabling the user to quickly move from screen to screen and gain access to the information specifically required. Specifications for Si-Tex SAS-300 AIS Class B Transceiver w/External GPS Antenna: Manufacturer: Si-Tex Color: Black Features of Si-Tex SAS-300 AIS Class B Transceiver w/External GPS Antenna 6.5" High Resolution color TFT display with 740 x 480 pixels Track AIS targets on standard "radar" display over included worldwide base charts or (with optional SD Card) overlaid onto full C-MAP MAX cartography Advanced Rmax technology maximizes receive/transmit range ensures that all available AIS messages are received and decoded in real time Track up to five vessels with track history and optional live details on individual vessels Large display allows easy viewing of all vessels with name MMSI range/bearing and full details on each vessel Instant "Go To" function Full control pad with dedicated function keys for easy operation Easy-to-use alarms for Closest Point of Approach (CPA) and Time to Closest Point of Approach (TCPA) Sort different types of vessels by color and different types of transmission by on-screen icon Displays the Following Information: Class A vessels Class B vessels Base Stations Aids to Navigation AIS SARTs Search & Rescue Package Contents: Si-Tex SAS-300 AIS Class B Transceiver w/External GPS Antenna Si-Tex SAS-300-2: AIS Class B Transceiver w/External GPS Antenna SAS-300