{"product_id":"purchase-radios-pr400","title":"Purchase Radios PR400 Low-Loss 50-Ohm Coaxial Cable (Sold Per Foot)","description":"\u003ch2 dir=\"ltr\"\u003eLow-Loss 50-Ohm LMR400-Type Coaxial Feedline Cable — Sold Per Foot\u003c\/h2\u003e\n\u003ch3 dir=\"ltr\"\u003eCommercial-grade low-loss 50-ohm antenna feedline cable engineered as a drop-in LMR400-type alternative with dual-layer shielding and a 20-year UV-resistant outdoor jacket.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003ePurchase Radios PR400\u003c\/b\u003e is a professional-grade, low-loss 50-ohm coaxial cable sold by the foot for custom-length antenna feedline runs. Sourced directly from our verified inventory of \u003ca rel=\"noopener\" href=\"\/collections\/two-way-radio-cables\" target=\"_blank\"\u003e\u003cb\u003eTwo-Way Radio Cables\u003c\/b\u003e\u003c\/a\u003e, the PR400 serves as a direct drop-in alternative to LMR400-type coaxial cable, delivering comparable—and in many parameters superior—electrical and mechanical performance for mission-critical two-way radio, repeater, and wireless infrastructure installations. Engineered for minimal signal attenuation and \u0026gt;90 dB RF shielding, it ensures maximum transmitter power reaches the antenna while preserving weak uplink receiver signals.\u003c\/p\u003e\n\u003cp\u003eConstructed with a solid copper-clad aluminum (CCA) center conductor, gas-foamed polyethylene insulation, a bonded aluminum foil first outer conductor, and a 95% coverage tinned copper braid second outer conductor, the \u003cb\u003ePurchase Radios PR400\u003c\/b\u003e is encased in a UV-resistant polyethylene outer jacket rated for \u003cb\u003e20 years of outdoor service\u003c\/b\u003e. Unlike rigid air-dielectric and corrugated hard-line cables, the PR400 offers a tight 25.4 mm minimum bending radius and smooth flexibility for straightforward routing through vehicles, equipment cabinets, building risers, and antenna towers. Adjust the quantity at checkout to match the exact total number of continuous feet required for your installation.\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003e(Note: LMR™ is a trademark of Times Microwave Systems.)\u003c\/i\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003e\n\u003cb\u003eDirect LMR400-Type Drop-In Alternative\u003c\/b\u003e: Matches standard LMR400 electrical and physical specifications—including 50-ohm impedance, \u0026gt;85% velocity ratio, and 10.29 mm outer diameter—for seamless connector and system compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutstanding Low-Loss Signal Integrity\u003c\/b\u003e: Engineered for minimal attenuation across VHF, UHF, 700\/800\/900 MHz, and 2.4\/5.8 GHz bands with a \u0026gt;90 dB screening factor from 1–1,000 MHz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e20-Year Outdoor UV Service Rating\u003c\/b\u003e: Heavy-duty UV-stabilized polyethylene jacket resists sunlight, moisture, and temperature cycling without cracking or requiring secondary conduit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSuperior Handling vs. Hard-Line Cables\u003c\/b\u003e: Routes easily around tight corners and conduit sweeps with a 25.4 mm minimum bending radius, avoiding the installation complexity of rigid corrugated hard-line coax.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSolid Copper-Clad Aluminum (CCA) Center Conductor\u003c\/b\u003e: 2.74 mm CCA core balances high-frequency skin-effect conductivity with reduced cable weight for vertical tower and mast runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDual-Layer Foil \u0026amp; Braid Shielding\u003c\/b\u003e: Bonded aluminum foil (≥115% overlap) paired with a 192-strand tinned copper braid (95% coverage) blocks electromagnetic interference and prevents RF leakage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide -40°C to +85°C Operating Range\u003c\/b\u003e: Performs reliably across extreme sub-zero winter conditions and high-heat rooftop or engine-compartment environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSold Per Foot for Custom Runs\u003c\/b\u003e: Order the exact continuous footage needed by setting the checkout quantity equal to your required length in feet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"ltr\"\u003eTypical Applications\u003c\/h3\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eAntenna feeder runs (mobile, base station, and repeater systems)\u003c\/li\u003e\n\u003cli\u003eCommercial and public safety two-way radio infrastructure\u003c\/li\u003e\n\u003cli\u003eTelecom, BDA\/DAS in-building distribution, and broadcasting networks\u003c\/li\u003e\n\u003cli\u003eWireless LANs, WISP, and Wi-Fi antenna extensions\u003c\/li\u003e\n\u003cli\u003eInter-cabinet and intra-cabinet RF jumper assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"ltr\"\u003ePhysical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\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\u003ePR400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCenter Conductor\u003c\/td\u003e\n\u003ctd\u003eSolid Copper-Clad Aluminum (CCA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductor Diameter\u003c\/td\u003e\n\u003ctd\u003e2.74 mm (± 0.02 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin. Break Strength\u003c\/td\u003e\n\u003ctd\u003e640 N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation\u003c\/td\u003e\n\u003ctd\u003eFoamed Polyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Diameter\u003c\/td\u003e\n\u003ctd\u003e7.39 mm (± 0.10 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Color\u003c\/td\u003e\n\u003ctd\u003eNeutral\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCentricity\u003c\/td\u003e\n\u003ctd\u003e≥ 90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Adhesion\u003c\/td\u003e\n\u003ctd\u003e10 N to 100 N @ 25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1st Outer Conductor\u003c\/td\u003e\n\u003ctd\u003eBonded Aluminum Foil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1st Outer Overlapping\u003c\/td\u003e\n\u003ctd\u003e≥ 115%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1st Outer Diameter\u003c\/td\u003e\n\u003ctd\u003e7.39 mm (± 0.10 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2nd Outer Conductor\u003c\/td\u003e\n\u003ctd\u003eTinned Copper Braid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBraid Wire Diameter\u003c\/td\u003e\n\u003ctd\u003e0.15 mm (± 0.01 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Wires\u003c\/td\u003e\n\u003ctd\u003e192\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBraid Coverage\u003c\/td\u003e\n\u003ctd\u003e95% (± 3%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Jacket\u003c\/td\u003e\n\u003ctd\u003eUV-Resistant Polyethylene (PE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd\u003e10.29 mm (± 0.01 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Strength\u003c\/td\u003e\n\u003ctd\u003e≥ 16.2 N\/mm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElongation at Break\u003c\/td\u003e\n\u003ctd\u003e≥ 700%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJacket Adhesion\u003c\/td\u003e\n\u003ctd\u003e20 to 80 N @ 50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin. Bending Radius\u003c\/td\u003e\n\u003ctd\u003e25.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Pulling Tension\u003c\/td\u003e\n\u003ctd\u003e740 N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrush Resistance (700 N Load)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 1% Deformation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Service Life\u003c\/td\u003e\n\u003ctd\u003e20 Years (UV-Resistant Jacket)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C (-40°F to +185°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 dir=\"ltr\"\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharacteristic Impedance\u003c\/td\u003e\n\u003ctd\u003e50 ± 3 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacitance\u003c\/td\u003e\n\u003ctd\u003e78 ± 3 pF\/m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVelocity Ratio\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 85%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Resistance — Center Conductor\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 4.60 Ohm\/km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Resistance — Outer Conductor\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 5.40 Ohm\/km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Power Rating\u003c\/td\u003e\n\u003ctd\u003e16.00 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCut-Off Frequency\u003c\/td\u003e\n\u003ctd\u003e16.20 GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 5,000 MΩ·km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Strength\u003c\/td\u003e\n\u003ctd\u003e1,600 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Withstand\u003c\/td\u003e\n\u003ctd\u003e2,500 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScreening Factor (1–1,000 MHz)\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 90 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 dir=\"ltr\"\u003eAttenuation \u0026amp; Power Rating by Frequency\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency (MHz)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAttenuation at 20°C (dB\/100 ft)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAvg. Power (kW)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e0.67\u003c\/td\u003e\n\u003ctd\u003e3.33\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e0.88\u003c\/td\u003e\n\u003ctd\u003e2.57\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e1.31\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e1.52\u003c\/td\u003e\n\u003ctd\u003e1.47\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e220\u003c\/td\u003e\n\u003ctd\u003e1.86\u003c\/td\u003e\n\u003ctd\u003e1.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e450\u003c\/td\u003e\n\u003ctd\u003e2.71\u003c\/td\u003e\n\u003ctd\u003e0.83\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e900\u003c\/td\u003e\n\u003ctd\u003e3.90\u003c\/td\u003e\n\u003ctd\u003e0.58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1,500\u003c\/td\u003e\n\u003ctd\u003e5.12\u003c\/td\u003e\n\u003ctd\u003e0.44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1,800\u003c\/td\u003e\n\u003ctd\u003e5.67\u003c\/td\u003e\n\u003ctd\u003e0.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2,000\u003c\/td\u003e\n\u003ctd\u003e5.97\u003c\/td\u003e\n\u003ctd\u003e0.37\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2,500\u003c\/td\u003e\n\u003ctd\u003e6.77\u003c\/td\u003e\n\u003ctd\u003e0.33\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3,000\u003c\/td\u003e\n\u003ctd\u003e7.62\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5,800\u003c\/td\u003e\n\u003ctd\u003e10.80\u003c\/td\u003e\n\u003ctd\u003e0.21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 dir=\"ltr\"\u003eOrdering Instructions\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003ePurchase Radios PR400\u003c\/b\u003e is sold by the foot as bulk unterminated coaxial cable. Set the quantity at checkout to the total number of continuous feet required for your feedline run. For custom connector termination, pre-assembled jumper lengths, or bulk spool orders, contact \u003cb\u003eAtlantic Radio Communications\u003c\/b\u003e before placing your order.\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003eRecommended Accessories \u0026amp; Replacement Hardware\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eRF Surge Suppression \u0026amp; Site Protection\u003c\/b\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\u003cli\u003e\n\u003ca rel=\"noopener\" href=\"\/products\/motorola-is-b50ln\" target=\"_blank\"\u003e\u003cb\u003eMotorola IS-B50LN Bulkhead Coaxial RF Surge Protector\u003c\/b\u003e\u003c\/a\u003e – Commercial 10 MHz–1 GHz lightning surge arrestor with gas discharge tube and DC block, safeguarding repeater and base station transceivers connected to outdoor coaxial feedlines.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eVehicular \u0026amp; Mobile Antenna Mounting Hardware\u003c\/b\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\u003cli\u003e\n\u003ca rel=\"noopener\" href=\"\/products\/purchase-radios-nmo-rg58-mount\" target=\"_blank\"\u003e\u003cb\u003ePurchase Radios NMO-RG58-17-NC 3\/4\" NMO Mount\u003c\/b\u003e\u003c\/a\u003e – Commercial all-brass 3\/4-inch vehicular roof mount assembly for fleet mobile installations operating alongside base and repeater infrastructure.\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3 dir=\"ltr\"\u003eMore Resources\u003c\/h3\u003e\n\u003cul dir=\"ltr\"\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\/what-s-a-duplexer-and-why-it-matters-in-radio-systems\" target=\"_blank\"\u003e\u003cb\u003eWhat's a Duplexer and Why It Matters in Radio Systems\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"\/blogs\/news\/how-to-choose-the-right-duplexer-for-your-motorola-repeater\" target=\"_blank\"\u003e\u003cb\u003eHow To Choose the Right Duplexer for Your Motorola Repeater\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"\/blogs\/news\/uhf-base-antenna-comparison\" target=\"_blank\"\u003e\u003cb\u003ePR-BASE-420-520-2dBi + PR-BMK: A Better-Value UHF Antenna Setup\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"\/blogs\/news\/uhf-vs-vhf-radio-frequencies\" target=\"_blank\"\u003e\u003cb\u003eUHF vs VHF: What's the Difference Between Radio Frequencies?\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 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\/radio-repeaters\" target=\"_blank\"\u003e\u003cb\u003eBrowse All Two-Way Radio Repeaters\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"ltr\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4 dir=\"ltr\"\u003eIs the Purchase Radios PR400 the same as LMR400?\u003c\/h4\u003e\n\u003cp\u003eThe \u003cb\u003ePurchase Radios PR400\u003c\/b\u003e is Purchase Radios’ private-label equivalent to LMR400-type coaxial cable and meets or exceeds LMR400 electrical and mechanical specifications. Its 50-ohm impedance, \u0026gt;85% velocity ratio, attenuation curve, 2.74 mm CCA conductor construction, dual-layer shielding, and 10.29 mm UV-resistant polyethylene jacket make it a direct drop-in replacement for LMR400.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eHow long will Purchase Radios PR400 last outdoors?\u003c\/h4\u003e\n\u003cp\u003eThe PR400 is engineered for \u003cb\u003e20 years of outdoor service\u003c\/b\u003e. Its UV-resistant polyethylene outer jacket resists degradation from ultraviolet exposure, rain, humidity, and extreme temperature cycling (-40°C to +85°C), making it suitable for permanent exterior mast, tower, and rooftop feedline installations without additional conduit in most deployments.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eHow does PR400 compare to hard-line coaxial cable?\u003c\/h4\u003e\n\u003cp\u003eThe PR400 provides substantially better bending and routing flexibility compared to air-dielectric and corrugated hard-line coaxial cables. While thick hard-line cables are used on ultra-long multi-hundred-foot tower runs, they are rigid, labor-intensive to route, and require specialized connectors. The PR400 installs quickly in vehicles, buildings, and towers while delivering low-loss performance ideal for two-way radio, repeater, and wireless systems.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eWhat connectors are compatible with Purchase Radios PR400?\u003c\/h4\u003e\n\u003cp\u003eThe PR400 accepts all standard LMR400-compatible RF connectors—including \u003cb\u003eType-N, PL-259 (UHF), SMA, BNC, and TNC\u003c\/b\u003e—in both crimp and solder styles, matched to its 10.29 mm outer jacket diameter and 2.74 mm center conductor. Contact \u003cb\u003eAtlantic Radio Communications\u003c\/b\u003e if you need custom factory-terminated cable assemblies.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eWhat is the minimum bending radius for installation?\u003c\/h4\u003e\n\u003cp\u003eThe minimum single-bend radius for the Purchase Radios PR400 is \u003cb\u003e25.4 mm (1.0 inch)\u003c\/b\u003e. Avoiding bends tighter than 25.4 mm during installation prevents dielectric compression, preserves 50-ohm impedance matching, and maintains low VSWR performance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003eWarranty\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003eThe \u003cb\u003ePurchase Radios PR400\u003c\/b\u003e is backed by a 1-year manufacturer’s warranty against defects in materials and workmanship. Contact \u003cb\u003eAtlantic Radio Communications\u003c\/b\u003e for warranty claims or technical support inquiries.\u003c\/p\u003e","brand":"Purchase Radios","offers":[{"title":"Default Title","offer_id":45933346324654,"sku":"ATL400","price":1.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0062\/0845\/4744\/files\/LMR400b.png?v=1731517663","url":"https:\/\/www.atlanticradiocorp.com\/products\/purchase-radios-pr400","provider":"Atlantic Radio Communications Corp. ","version":"1.0","type":"link"}