{"product_id":"purchase-radios-nmo-rg58-17-nc","title":"Purchase Radios NMO-RG58-17-NC 3\/4\" NMO Mount with 17' RG-58 Coax","description":"\u003ch2\u003eHeavy-Duty 3\/4\" All-Brass Vehicular NMO Antenna Mount with 17' RG-58 Coax\u003c\/h2\u003e\n\u003ch3\u003eCommercial-grade solid brass 3\/4-inch hole mount with silver-plated contact pin and 17-foot un-terminated RG-58 cable for custom radio installs.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003ePurchase Radios NMO-RG58-17-NC\u003c\/b\u003e is a commercial-grade 3\/4-inch permanent hole vehicular NMO antenna mount. Engineered for public safety vehicles, commercial fleet utility trucks, transit buses, heavy equipment, and municipal transport, this mount provides a solid RF ground connection for mobile two-way radio antennas. Sourced directly from our verified inventory of \u003ca rel=\"noopener\" href=\"\/collections\/two-way-radio-antennas-for-portables-mobiles-and-bases\" target=\"_blank\"\u003e\u003cb\u003eTwo-Way Radio Antennas\u003c\/b\u003e\u003c\/a\u003e, this all-brass NMO mount ensures high signal transfer efficiency and long-term durability.\u003c\/p\u003e\n\u003cp\u003eMachined from premium solid brass and paired with a high-conductivity silver-plated contact pin, the \u003cb\u003ePurchase Radios NMO-RG58-17-NC\u003c\/b\u003e resists corrosion and contact oxidation in compliance with \u003ca rel=\"noopener\" href=\"https:\/\/www.astm.org\/\" target=\"_blank\"\u003e\u003cb\u003eASTM Standards\u003c\/b\u003e\u003c\/a\u003e (ASTM B117). Built to endure relentless vehicle roof vibration, tree-branch strikes, and automated car-wash friction, the assembly meets automotive physical durability benchmarks under \u003ca rel=\"noopener\" href=\"https:\/\/www.sae.org\/\" target=\"_blank\"\u003e\u003cb\u003eSAE Standards\u003c\/b\u003e\u003c\/a\u003e (SAE J1455) and extreme vibration testing under \u003ca rel=\"noopener\" href=\"https:\/\/quicksearch.dla.mil\/\" target=\"_blank\"\u003e\u003cb\u003eDoD Standards\u003c\/b\u003e\u003c\/a\u003e (MIL-STD-810H). A high-compression silicone O-ring gasket seals against vehicle roof panels to prevent water leaks and roof corrosion certified under \u003ca rel=\"noopener\" href=\"https:\/\/www.iec.ch\/\" target=\"_blank\"\u003e\u003cb\u003eIEC Standards\u003c\/b\u003e\u003c\/a\u003e (IEC 60529 IP66). Supplied with 17 feet of low-loss 50-ohm RG-58 coaxial cable with an un-terminated (\"No Connector\") lead, this kit allows technicians to easily route the cable through vehicle headliners, pillars, and firewalls without snagging before crimping the specific RF connector needed for the mobile radio.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSolid Machined Brass Construction\u003c\/b\u003e: Delivers superior mechanical durability and low-resistance RF ground bonding to the vehicle chassis compared to zinc or alloy mounts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSilver-Plated Contact Pin\u003c\/b\u003e: Provides maximum electrical conductivity and oxidation resistance for low insertion loss across VHF, UHF, and 700\/800\/900 MHz bands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e17-Foot RG-58 Coaxial Cable\u003c\/b\u003e: Generous 17-foot cable length accommodates full vehicle runs from the roof or trunk to dashboard and console radio locations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUn-Terminated Lead (No Connector)\u003c\/b\u003e: Allows easy routing through narrow dashboard grommets, pillars, and firewall holes prior to installing your choice of connector.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Compression Weather Seal\u003c\/b\u003e: Includes an industrial O-ring gasket that seals tight against sheet metal to protect vehicle interiors from water leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUniversal 3\/4-Inch Hole Fitment\u003c\/b\u003e: Installs into industry-standard 3\/4-inch round drilled holes on vehicle roofs, trunk lids, or equipment bracket tabs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePurchase Radios\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eNMO-RG58-17-NC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eVehicular Mobile Antenna NMO Hole Mount Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Interface\u003c\/td\u003e\n\u003ctd\u003eStandard NMO (Motorola Style 3\/4\" Threaded Interface)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHole Size Requirement\u003c\/td\u003e\n\u003ctd\u003eStandard 3\/4 in (19 mm) Diameter Hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Body Material\u003c\/td\u003e\n\u003ctd\u003eSolid Machined Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCenter Contact Pin\u003c\/td\u003e\n\u003ctd\u003eSilver-Plated Brass Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoaxial Cable Type\u003c\/td\u003e\n\u003ctd\u003eRG-58A\/U 50-Ohm Coaxial Cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Length\u003c\/td\u003e\n\u003ctd\u003e17 Feet (5.18 Meters)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Termination\u003c\/td\u003e\n\u003ctd\u003eUnconnectorized \/ No Connector (NC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Ingress Rating\u003c\/td\u003e\n\u003ctd\u003eIEC 60529 IP66 (Weather-Sealed with O-Ring Gasket)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Frequency Range\u003c\/td\u003e\n\u003ctd\u003eVHF, UHF, 700\/800\/900 MHz Commercial Bands\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish \/ Color\u003c\/td\u003e\n\u003ctd\u003eNatural Machined Brass Body with Black Coaxial Jacket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU \/ Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eStatus\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePurchase Radios 3\/4\" All-Brass NMO Mount Assembly\u003c\/td\u003e\n\u003ctd\u003eNMO-RG58-17-NC\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegrated 17-Foot 50-Ohm RG-58 Coaxial Cable Lead\u003c\/td\u003e\n\u003ctd\u003eOEM Assembly\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh-Compression Weather-Sealing O-Ring Gasket\u003c\/td\u003e\n\u003ctd\u003eOEM Component\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRF Radio Connector (Mini-UHF, BNC, TNC, PL-259)\u003c\/td\u003e\n\u003ctd\u003eJob-Specific Hardware\u003c\/td\u003e\n\u003ctd\u003eSold Separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eRecommended Accessories \u0026amp; Replacement Hardware\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eMobile Control \u0026amp; Remote-Mount Hardware\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca rel=\"noopener\" href=\"\/products\/motorola-pmln6404b\" target=\"_blank\"\u003e\u003cb\u003eMotorola PMLN6404B Mobile Remote-Mount Adapter Kit\u003c\/b\u003e\u003c\/a\u003e – OEM remote-mount conversion kit allowing separation of the mobile control head from the transceiver chassis for clean vehicle console setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca rel=\"noopener\" href=\"\/products\/motorola-pmkn4144\" target=\"_blank\"\u003e\u003cb\u003eMotorola PMKN4144A 5-Meter Mobile Remote-Mount Cable\u003c\/b\u003e\u003c\/a\u003e – Heavy-duty 5-meter (16.4 ft) shielded remote-mount interconnect cable connecting vehicle radio transceivers to remote control heads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eDispatch \u0026amp; Base Hardware\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca rel=\"noopener\" href=\"\/products\/motorola-rmn5068\" target=\"_blank\"\u003e\u003cb\u003eMotorola RMN5068A Desktop Base Station Microphone\u003c\/b\u003e\u003c\/a\u003e – Genuine OEM desktop microphone with a large push-to-talk paddle for dispatch control stations and fixed base operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca rel=\"noopener\" href=\"\/products\/purchase-radios-fm2\" target=\"_blank\"\u003e\u003cb\u003ePurchase Radios FM2 Heavy-Duty Antenna Mounting Kit\u003c\/b\u003e\u003c\/a\u003e – Extruded aluminum dual-bracket mast mount kit for securing base station antennas at dispatch sites.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eVehicle Transceivers \u0026amp; Antennas\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca rel=\"noopener\" href=\"\/products\/motorola-pman5101\" target=\"_blank\"\u003e\u003cb\u003eMotorola PMAN5101A Covert On-Glass Wi-Fi Antenna\u003c\/b\u003e\u003c\/a\u003e – Discreet glass-mount dual-band Wi-Fi antenna with QMA connector for vehicular Wi-Fi OTA programming and data synchronization.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMore Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"\/blogs\/news\/mobile-radios-essential-accessories\" target=\"_blank\"\u003e\u003cb\u003eEssential Accessories for Vehicle \u0026amp; Base Station Mobile Radios\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"\/blogs\/news\/two-way-radio-maintenance-tips\" target=\"_blank\"\u003e\u003cb\u003e5 Essential Two-Way Radio Maintenance Tips\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"\/blogs\/news\/how-to-use-two-way-radio-step-by-step-guide\" target=\"_blank\"\u003e\u003cb\u003eHow to Use a Two-Way Radio: Step-by-Step Guide for Beginners\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"\/collections\/two-way-radio-antennas-for-portables-mobiles-and-bases\" target=\"_blank\"\u003e\u003cb\u003eBrowse All Two-Way Radio Antennas\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"\/collections\/two-way-radio-cables\" target=\"_blank\"\u003e\u003cb\u003eBrowse Two-Way Radio Cables\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0062\/0845\/4744\/files\/NMO-RG58-17-NC.pdf?v=1794001940\" title=\"Data Sheet\"\u003e\u003cb\u003eNMO-RG58-17-NC Data Sheet\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eWhat does \"No Connector\" (NC) mean for this mount?\u003c\/h4\u003e\n\u003cp\u003eThe \"NC\" designation indicates that the 17-foot RG-58 cable has a bare, un-terminated end without an attached RF plug. This allows installers to easily route the cable through small firewall grommets, door pillars, and dashboard access holes without drilling oversized holes. Once routed, the installer crimps or solders the exact connector needed for their specific radio.\u003c\/p\u003e\n\u003ch4\u003eWhat size hole must be drilled to install this mount?\u003c\/h4\u003e\n\u003cp\u003eThis is a standard 3\/4-inch permanent hole mount. It requires a clean 3\/4-inch (19 mm) round hole drilled into the roof panel, trunk deck, or an external mounting bracket using a hole saw or chassis punch.\u003c\/p\u003e\n\u003ch4\u003eWhy is solid brass preferred over zinc or aluminum for NMO mounts?\u003c\/h4\u003e\n\u003cp\u003eSolid brass provides superior electrical conductivity, optimal RF ground plane bonding to the vehicle body, and high mechanical tensile strength. Brass will not gall or strip during antenna installations and resists corrosion caused by moisture and road salts.\u003c\/p\u003e\n\u003ch4\u003eWhat antennas are compatible with this mount?\u003c\/h4\u003e\n\u003cp\u003eAny standard mobile antenna that features an NMO base (including VHF, UHF, 700\/800\/900 MHz, and multi-band mobile whips) threads directly onto this mount.\u003c\/p\u003e\n\u003ch4\u003eDoes this mount seal against rainwater entering the vehicle cab?\u003c\/h4\u003e\n\u003cp\u003eYes. The assembly includes a high-compression rubber O-ring gasket. When tightened down against the vehicle sheet metal, it forms a watertight seal that keeps moisture and dust from penetrating into the headliner.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003e1-year manufacturer’s replacement warranty.\u003c\/p\u003e","brand":"Purchase Radios","offers":[{"title":"Default Title","offer_id":67977168683182,"sku":"NMO-RG58-17-NC","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0062\/0845\/4744\/files\/NMO-RG58-17-NCa.png?v=1794001837","url":"https:\/\/www.atlanticradiocorp.com\/products\/purchase-radios-nmo-rg58-17-nc","provider":"Atlantic Radio Communications Corp. ","version":"1.0","type":"link"}