Standard Horizon leads the world's marine communication markets. Marine products require high reliability and functionality because ships must be operated safely, especially under severe weather conditions. Standard Horizon is the leader in communication equipment covering the HF to VHF frequencies for all kinds of boating. You can trust Standard Horizon to continue to provide highly reliable products with the latest technology.
![Standard Horizon Mounting Knob - Black ABS Plastic - Single [RA0978600] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/72618XL_{width}x.jpg?v=1613368398)
![Standard Horizon Flush Mount Kit [MMB-84] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/10394XL_{width}x.jpg?v=1613364520)
![Standard Horizon Bluetooth Headset f/HX891BT [SSM-BT20]](http://mealeymarine.com/cdn/shop/files/103610XL_{width}x.jpg?v=1713931903)
![Standard Horizon Mic Hanger [RA0458800]](http://mealeymarine.com/cdn/shop/files/101862XL_{width}x.jpg?v=1707247649)
![Standard Horizon Mic Hanger [RA0458800]](http://mealeymarine.com/cdn/shop/files/101862BXL_{width}x.jpg?v=1707247651)
![Standard Horizon Gimbal Mount f/GX2000 GX2200 - White [RA078410C]](http://mealeymarine.com/cdn/shop/files/81468XL_{width}x.jpg?v=1703629079)
![Standard Horizon USB AC Adapter [SAD-27B]](http://mealeymarine.com/cdn/shop/files/100838XL_{width}x.jpg?v=1692927138)
![Standard Horizon Quick-Release Holster [SHB-110]](http://mealeymarine.com/cdn/shop/files/100836XL_{width}x.jpg?v=1692927131)
![Standard Horizon Charging Cradle f/HX320 [SBH-49]](http://mealeymarine.com/cdn/shop/files/100831XL_{width}x.jpg?v=1692927125)
![Standard Horizon SBR-23LI Li-Ion Battery Pack f/HX210 [SBR-23LI]](http://mealeymarine.com/cdn/shop/files/99516XL_{width}x.jpg?v=1684371695)
![Standard Horizon HX320 Handheld VHF 6W, Bluetooth, USB Charge [HX320]](http://mealeymarine.com/cdn/shop/products/98188XL_{width}x.jpg?v=1673922559)
![Standard Horizon SBR-45LIIS Battery for HX400IS [SBR-45LIIS]](http://mealeymarine.com/cdn/shop/products/97886XL_{width}x.jpg?v=1672785182)
![Standard Horizon SBR-45LI 3200mAh Battery f/HX400 [SBR-45LI]](http://mealeymarine.com/cdn/shop/products/97488XL_{width}x.jpg?v=1668717116)
![Standard Horizon HX890 Floating 6 Watt Class H DSC Handheld VHF/GPS - Black [HX890BK]](http://mealeymarine.com/cdn/shop/products/73279XL_{width}x.jpg?v=1663014798)
![Standard Horizon Intercom Speaker f/VLH-3000A Loud Hailer - Black [MLS-410LH-B]](http://mealeymarine.com/cdn/shop/products/95143XL_{width}x.jpg?v=1655487443)
![Standard Horizon Intercom Speaker f/VLH-3000A Loud Hailer - White [MLS-410LH-W]](http://mealeymarine.com/cdn/shop/products/95145XL_{width}x.jpg?v=1655487451)
![Standard Horizon 10W Amplified External Speaker - White [MLS-410PA-W]](http://mealeymarine.com/cdn/shop/products/95142XL_{width}x.jpg?v=1655487436)
![Standard Horizon 10W Amplified External Speaker - Black [MLS-410PA-B]](http://mealeymarine.com/cdn/shop/products/95139XL_{width}x.jpg?v=1655487428)
![Standard Horizon MLS-410 Fixed Mount Speaker - White [MLS-410SP-W]](http://mealeymarine.com/cdn/shop/products/95135XL_{width}x.jpg?v=1655487421)
![Standard Horizon SCU-38 Passive GPS Antenna [SCU-38]](http://mealeymarine.com/cdn/shop/products/94211XL_{width}x.jpg?v=1651096190)
![Standard Horizon MLS-410 Fixed Mount Speaker - Black [MLS-410SP-B]](http://mealeymarine.com/cdn/shop/products/94220XL_{width}x.jpg?v=1650999493)
![Standard Horizon SSM-517A Earpiece Microphone f/HX270, HX370, HX471 HX400 [SSM-517A] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/91439XL_{width}x.jpg?v=1634159757)
![Standard Horizon FNB-83 1400 mAh Ni-MH Replacement Battery - HX370S [FNB-83] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/25241XL_{width}x.jpg?v=1627273789)
![Standard Horizon SBR-41LI 1750mAh f/HX280 HX380 [SBR-41LI] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/89460XL_{width}x.jpg?v=1623101153)
![Standard Horizon Replacement Mic f/GX1200, GX1600 GX1700 - Black [CS2579402] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/89430XL_{width}x.jpg?v=1622158116)
![Standard Horizon FNB-110LI Battery f/HX290 [FNB-110LI] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/42376XL_{width}x.jpg?v=1616992792)
![Standard Horizon Mic Extension Kit [MEK-4] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/41981XL_{width}x.jpg?v=1616992791)
![Standard Horizon SSM-21A Speaker Mic f/HX890, HX400, HX400IS, HX380, HX40 HX210 [SSM-21A] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/88589XL_{width}x.jpg?v=1615177591)
![Standard Horizon Replacement Mic Only f/GX2400B - Black [CS2661701] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/86154XL_{width}x.jpg?v=1613370196)
![Standard Horizon Battery Tray f/HX750 & HX851 [FBA-38] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/34156XL_{width}x.jpg?v=1613369806)
![Standard Horizon Flush Mount [MMB-97] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/41034XL_{width}x.jpg?v=1613369799)
![Standard Horizon Nylon Carry Case f/HX400 HX380 [SHC-20] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/85858XL_{width}x.jpg?v=1613369629)
![Standard Horizon Submersible Speaker Microphone [MH-73A4B] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/33475XL_{width}x.jpg?v=1613369588)
![Standard Horizon Dust Cover f/Matrix Series [HC2400] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/85372XL_{width}x.jpg?v=1613369568)
![Standard Horizon RAM4X Wireless RAM Microphone f/GX2400 [SSM-72H] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/84469XL_{width}x.jpg?v=1613369562)
![Standard Horizon Compact Speaker Mic [SSM-17H] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/85338XL_{width}x.jpg?v=1613369549)
![Standard Horizon CVS2500A 4-Code Voice Scrambler [CVS2500A] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/42375XL_{width}x.jpg?v=1613369262)
![Standard Horizon CVS2500A 4-Code Voice Scrambler [CVS2500A] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/42375BXL_{width}x.jpg?v=1618203252)
![Standard Horizon Charging Cradle for the HX400, HX400IS HX407 [SBH-36] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/85111XL_{width}x.jpg?v=1613369253)
![Standard Horizon HX400 w/Built-In Scrambler & LMR Programmable Channels [HX400] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/40510XL_{width}x.jpg?v=1613369253)
![Standard Horizon Replacement VHF MIC f/GX5500S & GX5500SM - Black [CB3961001] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/49561XL_{width}x.jpg?v=1613369248)
![Standard Horizon HX400IS Handheld VHF - Intrinsically Safe [HX400IS] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/43137XL_{width}x.jpg?v=1613369240)
![Standard Horizon Mounting Bracket - Black [RA078400C] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/84853XL_{width}x.jpg?v=1613369235)
![Standard Horizon CLIP-22 Belt Clip f/HX210, 300, 400, 400IS 890 [CLIP-22] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/84344XL_{width}x.jpg?v=1613369211)
![Standard Horizon USB Charge Cable f/HX300 [T9101606] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/84299_{width}x.gif?v=1613369211)
![Standard Horizon USB Charger AC Plug [SAD-17B] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/84287XL_{width}x.jpg?v=1613369210)
![Standard Horizon GX2400B Matrix Black VHF w/AIS, Integrated GPS, NMEA 2000 30W Hailer, Speaker Mic [GX2400B] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/83998XL_{width}x.jpg?v=1613369188)
![Standard Horizon GX2400B Matrix Black VHF w/AIS, Integrated GPS, NMEA 2000 30W Hailer, Speaker Mic [GX2400B] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/83998BXL_{width}x.jpg?v=1618203204)
![Standard Horizon 12V DC Charge Cable f/HX400 HX400IS [E-DC-30] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/83438XL_{width}x.jpg?v=1613369166)
![Standard Horizon Mounting Bracket f/GX18XX Series - Black [RA6203900] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/83138XL_{width}x.jpg?v=1613369139)
![Standard Horizon Microphone f/GX14xx GX18xx Series - White [CS2596702] - Mealey Marine](http://mealeymarine.com/cdn/shop/products/83137XL_{width}x.jpg?v=1613369139)