Transducer 010-10249-20 is preferred

which can be purchased separately

5 hp (4-stroke)

-30° to 65° C (-22° to 149° F)

Ensure a tight and efficient water pump with this original Quicksilver gasket

B&G V20S VHF med GPS Toilet & VVS Transducer 010-10249-20 is preferredVery reliable with many good features such as DSC. Built in GPS receiver Hanger or bulkhead is mounted NMEA0183 NMEA2000 25 1 watt transmitting power Full DSC class D Microphone with 4 buttons Turn knob 3 favorite channels with scan Dual and TriWatch mode MMSI 2. 5W speaker Mounting bracket, Flush mounting kit included We have created a number of Quick Guides for B&G, see them here