Airmar B117 50/200kHz Bronze Low Profile Depth and Temperature Transducer - B117-DT-8GAirmar B117 50 200kHz Bronze Low Profile Depth and Temperature Transducer B117 DT 8G The Airmar B117 features a 50 200 kHz, dual frequency, single ceramic element in a low profile bronze housing. The nearly flush design minimizes drag with only 5 mm (2 10") extending outside of the hull. Compatibility: Garmin 50 200 kHz units with 8 Pin (8 Pin, D, T) Features Depth only or depth and temperature 600 W Dual frequency elements: 50 kHz with a wide 45 beam