Garmin Accessory GHS11 Full Function Handset North America. There are no complex components just a simple design that includes soft keys a 2 diagonal dot matrix display and a coiled cable that stretches from about 1 to nearly 5. A rotary/push knob for volume squelch and channel selection makes it easy to use with a dedicated button for access to channels 16/9. All buttons and knobs resemble those of the VHF radio. In addition GHS 11 features a microphone that has intercom capabilities when connected to a speaker. Specifications for Garmin GHS11 Full Function Handset: Manufacturer: Garmin Color: Black Additional Features: Built-in speaker mic Weight: 0.7 lb Size: 2.7x6.1x1.6 in Operating Temperature: -15 - 70 Celsius Water Resistance Level: IPX-7 Features of Garmin GHS11 Full Function Handset Dimensions: 2.7" x 6.1" x 1.6" (6.9 x 15.4 x 4.0 cm) Weight: 0.7 lb. (0.3 kg) Operating Temperature Range: 5F to 158F (-15C to 70C) Water rating: IPX7 Cable length: 1 ft. coiled (5 ft. stretched) Compass safe distance: 27 (70 cm) Display: Backlit LCD Built-in speaker mic: Yes 16/9 or 16+ channel button: Yes LanGauges: English French Italian German and Spanish Package Contents: Garmin GHS11 Full Function Handset GHS 11 Deck cable (10 meter) Microphone hanger Mounting hardware Documentation Garmin 010-01759-00: Accessory GHS11 Full Function Handset North America