ONELINKMORE
onelinkmore UHF Male to Mini UHF Female Coax Adapter, PL-259 to Mini UHF Jack RF Coaxial Connector, 50 Ohm Gold-Plated Brass for CB Ham Radio, Mobile Scanner, Antenna Signal Extension Pack of 2
onelinkmore UHF Male to Mini UHF Female Coax Adapter, PL-259 to Mini UHF Jack RF Coaxial Connector, 50 Ohm Gold-Plated Brass for CB Ham Radio, Mobile Scanner, Antenna Signal Extension Pack of 2
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--- QUICK SPEC REFERENCE --- Product: onelinkmore UHF Male PL-259 to Mini UHF Female Coax Adapter 50 Ohm for CB Ham Radio Pack of 2 SKU: OL-3857-2X Price: $7.69 Impedance: 50 Ohm Body Material: Brass Contact Plating: Gold Quantity: 2 pieces per pack Typical Applications: CB, ham radio, mobile scanners Availability: In Stock — US warehouse, ships 1-2 business days ---
The UHF Male PL-259 to Mini UHF Female Coax Adapter 50 Ohm for CB Ham Radio is an RF interface component designed for CB, ham radio, mobile scanners.
Technical specifications — impedance: 50 Ohm, body material: Brass.
Ships from US warehouse. Confirm connector type, gender, and cable compatibility before ordering.
Frequently Asked Questions
This adapter provides a direct mechanical and electrical conversion between the two connector types listed in the product title. It allows equipment and cables with different RF connector standards to be joined without re-terminating cables. Both ports maintain the listed impedance across the rated frequency range.
A quality RF adapter adds approximately 0.05–0.2 dB insertion loss at 3 GHz and 0.1–0.4 dB at 18 GHz. This is negligible for most field and bench applications. For precision VNA calibration or low-noise receiver chains, account for this loss in your measurement uncertainty budget.
A male RF connector has a center pin that protrudes. A female RF connector has a socket. When selecting an adapter, match each port to the mating connector on your cable or device. Mismatching gender is the most common ordering error — verify both connector type AND gender before purchasing.
Standard SMA male has a center pin; RP-SMA male has a center socket. They use identical thread and shell dimensions but will not complete a connection — the center conductors do not mate. WiFi routers and consumer antennas typically use RP-SMA. RF test equipment and ham radio gear typically use standard SMA. Verify your device's connector type before ordering.
Brass and stainless steel RF adapters are typically rated for 500–5,000 mating cycles depending on connector type. For bench use with a few connections per day, a quality adapter lasts several years. Avoid cross-threading, apply correct torque (5 in-lbs for SMA, 12 in-lbs for N-type), and replace if VSWR degrades measurably.
No. Using a 50 ohm adapter in a 75 ohm system (cable TV, satellite) creates an impedance mismatch that causes signal reflections and loss. For 50/75 ohm conversion, use a dedicated impedance matching pad or transformer. 50 ohm and 75 ohm F-type connectors look identical — always check the listed impedance.
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