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![Standard Horizon SCU-30 Wireless Base Station Unit [SCU-30]](https://cdn11.bigcommerce.com/s-jxombk0idl/stencil/b46411f0-fc15-013c-fb6b-76ea1e156bba/img/loading.svg "Standard Horizon SCU-30 Wireless Base Station Unit [SCU-30]")
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Standard Horizon SSM-21A Speaker Mic f/HX890, HX400, HX400IS, HX380, HX40 HX210
$80.00Standard Horizon
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Standard Horizon SSM-517A Earpiece Microphone f/HX270, HX370, HX471 HX400
$39.95$42.00Standard Horizon
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![Standard Horizon SCU-30 Wireless Base Station Unit [SCU-30]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/300x300/products/23456/38015/62896XL__49092.1697164852.jpg?c=1 "Standard Horizon SCU-30 Wireless Base Station Unit [SCU-30]")
![Standard Horizon SCU-31 GPS Smart Antenna [SCU-31]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/300x300/products/23457/38016/62897XL__87251.1697164854.jpg?c=1 "Standard Horizon SCU-31 GPS Smart Antenna [SCU-31]")
![Standard Horizon SCU-38 Passive GPS Antenna [SCU-38]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/300x300/products/37521/57087/94211XL__24020.1697203201.jpg?c=1 "Standard Horizon SCU-38 Passive GPS Antenna [SCU-38]")
![Standard Horizon SMA to BNC adapter [CN-3]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/300x300/products/19419/33191/49718XL__95406.1697154187.jpg?c=1 "Standard Horizon SMA to BNC adapter [CN-3]")
![Standard Horizon SSM-21A Speaker Mic f\/HX890, HX400, HX400IS, HX380, HX40 HX210 [SSM-21A]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/300x300/products/33981/51703/88589XL__94712.1697193203.jpg?c=1 "Standard Horizon SSM-21A Speaker Mic f\/HX890, HX400, HX400IS, HX380, HX40 HX210 [SSM-21A]")
Standard Horizon
![Standard Horizon SSM-517A Earpiece Microphone f\/HX270, HX370, HX471 HX400 [SSM-517A]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/300x300/products/35953/54661/91439XL__91652.1697198766.jpg?c=1 "Standard Horizon SSM-517A Earpiece Microphone f\/HX270, HX370, HX471 HX400 [SSM-517A]")
Standard Horizon
![Standard Horizon SSM-64A VOX Headset [SSM-64A]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/300x300/products/22036/36337/57684XL__80906.1697161148.jpg?c=1 "Standard Horizon SSM-64A VOX Headset [SSM-64A]")
![Standard Horizon SU-1 Barometric Sensor f\/HX471S [SU-1]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/300x300/products/14931/27859/14934XL__69259.1697142519.jpg?c=1 "Standard Horizon SU-1 Barometric Sensor f\/HX471S [SU-1]")
![Standard Horizon Submersible Speaker Microphone [MH-73A4B]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/300x300/products/16495/29590/33475XL__38342.1697146479.jpg?c=1 "Standard Horizon Submersible Speaker Microphone [MH-73A4B]")
![Standard Horizon USB AC Adapter [SAD-27B]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/300x300/products/41612/63373/100838XL__44940.1697215561.jpg?c=1 "Standard Horizon USB AC Adapter [SAD-27B]")
![Standard Horizon USB Charge Cable f\/HX300 [T9101606]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/300x300/products/32143/48705/84299__52389.1697187800.gif?c=1 "Standard Horizon USB Charge Cable f\/HX300 [T9101606]")
![Standard Horizon USB Charger AC Plug [SAD-17B]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/300x300/products/32139/48701/84287XL__30750.1697187791.jpg?c=1 "Standard Horizon USB Charger AC Plug [SAD-17B]")
![Standard Horizon USB-57B PC Programming Cable [USB-57B]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/300x300/products/18708/32355/46696XL__91127.1697152397.jpg?c=1 "Standard Horizon USB-57B PC Programming Cable [USB-57B]")
![Standard Horizon USB-62C Programming Cable [USB-62C]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/300x300/products/22608/37075/59857XL__68315.1697162703.jpg?c=1 "Standard Horizon USB-62C Programming Cable [USB-62C]")
![Standard Horizon VLH-3000A 30W Dual Zone PA\/Loud Hailer\/Fog w\/Listen Back & 2 Optional Intercom Stations [VLH-3000A]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/300x300/products/23583/38148/63676XL__39053.1697165185.jpg?c=1 "Standard Horizon VLH-3000A 30W Dual Zone PA\/Loud Hailer\/Fog w\/Listen Back & 2 Optional Intercom Stations [VLH-3000A]")
![Standard Horizon Wired Remote Access Microphone RAM4 [SSM-70H]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/300x300/products/23455/38014/62894XL__61294.1697164849.jpg?c=1 "Standard Horizon Wired Remote Access Microphone RAM4 [SSM-70H]")