Standard Horizon Bluetooth Headset f/HX891BT [SSM-BT20] Marine Navigation & Instruments | Transducer Accessories so having a NAVDoctor in

so having a NAVDoctor in your toolkit will save you time

the SR-Series PRO utilizes a single row of LEDs with your choice of Hybrid or Specter optics in a variety of beam patterns

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and water temperature

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Standard Horizon Bluetooth Headset f/HX891BT [SSM-BT20] Marine Navigation & Instruments | Transducer Accessories so having a NAVDoctor inBluetooth Headset for HX891BT The SSM BT20 is a wireless Bluetooth 5. 0 headset designed for all Standard Horizon Bluetooth compatible transceivers. Great for Boaters needing handsfree VHF operation. The SSM BT 20 has been updated for better audio quality and improved performance of the PTT multi function button. The Standard Horizon SSM BT20 Bluetooth Headset is compatible with Standard Horizon's Bluetooth VHF Radio (Sold Separately). Specifications: