Humminbird XM 14 20 MSI T Mega SI/DI Transom Mount Transducer - 14 Pin. MEGA SI MEGA DI DualBeam PLUS 20/60/86/55 degrees 200/83/455/800 kHz and 1.2 MHz temperature built-in.Refer to manufacturer recommendations and installation guidelines to ensure a proper fit. Specifications for Humminbird XM 14 20 MSI T Mega SI/DI Transom Mount Transducer: Manufacturer: Humminbird Color: Black Frequency Band: 200 kHz Features of Humminbird XM 14 20 MSI T Mega SI/DI Transom Mount Transducer Chirp: No Fairing Block Included: No Frequency: 83/200/455/800/1.2 Imagining: Standard/Down/Side Mounting Style: Transom Pins: 14 Speed Included: No Temperature: Yes Package Contents: Humminbird XM 14 20 MSI T Mega SI/DI Transom Mount Transducer Humminbird 710265-1: XM 14 20 MSI T Mega SI/DI Transom Mount Transducer - 14 Pin