Description
RP-SMA Male Straight Crimp Connector for LMR100 / RG174 / RG316
Short Description
Standard Reverse Polarity (RP) SMA Male Crimp Connector (Plug) designed for 50 Ohm sub-miniature coaxial cables such as LMR100, RG174, and RG316. This connector features a gold-plated body and a center socket (instead of a pin) to meet standard Wi-Fi and wireless equipment requirements.
Long Description
The RP-SMA Male Crimp Connector is a specialized RF component used primarily in wireless networking. While it has the external appearance and internal threads of a standard SMA Male, the Reverse Polarity design replaces the center pin with a female-style socket. This configuration is the industry standard for Wi-Fi antennas and consumer wireless routers.
This connector is optimized for thin-profile cables with an outer diameter of approximately 0.100″ (2.5mm). It utilizes a hex-crimp termination for the ferrule, ensuring a secure, 360-degree mechanical bond with the cable braid. Constructed with a gold-plated brass body and high-purity PTFE (Teflon) insulation, it maintains a precise 50 Ohm impedance and low VSWR across frequencies up to 6 GHz, providing a reliable interface for internal pigtails and external antenna connections.
Key Technical Advantages
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Regulatory Compliance: Specifically designed for Wi-Fi, Bluetooth, and Zigbee equipment that requires RP-SMA interfaces.
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Broad Cable Support: Fits multiple popular thin-profile cables including RG174, RG316, and LMR100, simplifying inventory for custom assemblies.
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Rugged Crimp Termination: The hex-crimp ferrule provides high pull-strength and superior grounding compared to twist-on alternatives.
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Reliable Shielding: The 360-degree crimp ensures continuous electrical contact, protecting the signal from EMI/RFI interference.
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High Conductivity: Gold-plated internal components and body ensure low insertion loss and excellent protection against environmental corrosion.
Key Features
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Reverse Polarity Male Interface: Threaded coupling nut with an internal gold-plated socket (Plug with Socket).
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PTFE (Teflon) Dielectric: High-grade insulator ensures signal stability and high thermal resistance for easy assembly.
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3-Piece Crimp Design: Includes the main connector body, the center contact socket, and the outer crimp ferrule.
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Standard 1/4-36 Thread: Fully compatible with all standard RP-SMA Female (Jack) bulkhead and antenna ports.
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Industrial Build: Machined from brass and designed to withstand at least 500 mating cycles.
Technical Summary
| Parameter | Specification |
| Frequency Range | DC ~ 6 GHz |
| Impedance | 50 O |
| Body Material | Gold-Plated Brass |
| Insulator | PTFE (Teflon) |
| Termination Style | Hex Crimp (Ferrule) |
| Standard Hex Die | 0.128″ (3.25mm) |





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