
SMA RF Coaxial Connector Kit (Male/Female) | 50Ω Gold-Plated Threaded Interface for WiFi Antennas, 4G Modules, UAV Video Transmission, and Radio Testing
Bochuang SpaceTime's standard SMA RF coaxial connector is engineered for high-frequency signal transmission, serving as an essential component in wireless communication devices. This product strictly adheres to the 50Ω impedance standard. Its center pin is crafted from high-purity copper with a thickened gold plating to minimize contact resistance and prevent oxidation, ensuring low-loss signal transmission across the 2.4GHz/5.8GHz bands (WiFi, Bluetooth, Zigbee) and in 4G LTE applications. Its unique threaded locking mechanism delivers superior mechanical stability, resisting vibration and loosening—making it ideal for environments subject to movement, such as vehicle-mounted radios, industrial routers, and outdoor base stations. Whether replacing damaged connectors, extending antenna feed lines, or assembling custom RF test cables, this connector provides military-grade reliability. It is compatible with the vast majority of standard SMA interfaces found on routers, network cards, and communication modules.
In Stock(500)
Bochuang Spacetime Standard SMA RFCoaxial Connector— 50Ω gold-plated threaded interface: the precision foundation for high-frequency signal transmission








Product Details
In the field of wireless communication and RF testing, even a tiny connector can determine the signal quality and stability of an entire system. Bochuang Space-Time'sStandard SMA RF
Coaxial Connector(Male/Female Connector Set)Designed specifically for high-frequency, high-reliability signal transmission. Whether used to replace damaged connectors, assemble custom RF cables, or
Whether upgrading or testing equipment, this connector delivers superior electrical performance and mechanical durability.
Core Advantages & Technical Highlights:
50Ω precision impedance matching for low-loss transmission:
Engineered to strict 50Ω RF standards, ensuring optimal performance across a DC-6GHz frequency range that fully covers 2.4G/5.8G WiFi, Bluetooth, Zigbee, 4G LTE, and other mainstream bands.
) achieves an extremely low voltage standing wave ratio (VSWR). With virtually no signal reflection or attenuation during transmission, it ensures optimal device performance.
Thickened gold-plated contacts for oxidation and corrosion resistance:
The center conductor is made of high-purity copper with a thick gold-plated surface. Unlike standard nickel-plated products, the gold plating effectively prevents degradation from long-term air exposure.
oxidized to a black finish, significantly reducing contact resistance. Even in harsh environments such as high humidity or salt fog, it maintains excellent conductivity and withstands thousands of repeated cycles.
Plug and play.
Thread-locking design for vibration resistance and anti-loosening:
Using a classic threaded coupling mechanism, SMA connectors provide a far more secure mechanical connection than push-on interfaces—ideal for automotive communications, drone operations, and industrial applications.
In vibrating environments, prevents loose contacts or accidental disconnection due to shaking, ensuring uninterrupted signal transmission.
All-metal shielded enclosure with strong anti-interference performance:
Crafted from premium brass via precision machining for durability. The all-metal enclosure provides effective electromagnetic interference (EMI) shielding to block external noise.
Minimizes interference to ensure signal purity and stability.
Broadly compatible, plug and play:
Fully compatible with the vast majority of standard SMA interface devices on the market, including wireless routers, 4G/5G CPE modules, GPS trackers, FPV drone video transmitters, and handheld units.
Walkie-talkies and various RF test instruments. No soldering required for seamless device interconnection.
Technical Specifications:
Parameter Items | Specifications | Notes |
|---|---|---|
Product Type | Includes both male and female connectors | |
Characteristic Impedance | 50 Ohm | Standard RF Impedance |
Frequency Range | DC - 6 GHz | Covers mainstream communication and test frequency bands |
Voltage Standing Wave Ratio (VSWR) | ≤ 1.3 | Excellent energy transmission efficiency |
Insulation Resistance | ≥ 5000 MΩ | High insulation, anti-leakage |
Dielectric Withstand Voltage | 1000V RMS (min) | Safety Voltage Standard |
Main Material | Premium Brass | Precision turning, built to last |
Plating Process | Body: nickel-plated; Contacts: gold-plated | Antioxidant and wear-resistant |
Operating Temperature | -40°C to +85°C | Adapts to diverse global climates |
Coupling Method | Threaded | Secure connection, vibration-resistant |
Typical Use Cases:
Wireless Communication Equipment:Antenna feeder connection and extension for wireless routers and 4G/5G industrial gateways.
Drones and RC Models:Connect the FPV HD video transmitter module and remote control receiver antenna.
Vehicle Radio and GPS:Antenna interface compatible with in-vehicle communication systems; vibration-resistant and anti-loosening.
RF Testing and Development:Assemble test cables in the lab to connect precision instruments such as spectrum analyzers and signal generators.
UAV Defense Detection: Optimized for UAV/FPV RF communication links with minimal signal attenuation
Package Contents:
1 x SMA MaleConnector(Male)
1 x SMA Female Connector
(Note: Actual quantity depends on the selected purchase option.)
Selection and Compatibility Guide
For cable termination, panel adapters, and device interface matching. Male and female connectors can be used separately.
| Project | Description |
|---|---|
| Interface Matching | 50Ω SMA threaded connector for standard SMA cables and panel cutouts. |
| Styling Tips | Cable termination for WiFi antennas, 4G modules, video transmission links, and radio test equipment. |
| Not applicable | High-power N-type links should use N-type connectors; SMA interfaces have limited power capacity. |
| Procurement Notice | Select the appropriate crimp connector based on wire gauge during termination. Do not mix different specifications. |
Related:Accessories & Cables · Technical Support · Request Datasheet & Sample Evaluation
Recommended Related Products

SMA Male-to-Male Semi-Rigid RF Cable | 50Ω DC-18GHz for RG402/RG405/50-3/50-7 Cables – Designed for Drones, Test Equipment, and Base Stations
The SMA male-to-male semi-flexible RF cable by Bochuang Space-Time features a high-precision brass body and gold-plated center pin, ensuring low VSWR (≤ 1.3) and superior shielding performance across the DC-18 GHz frequency range. Designed to strictly adhere to the 50Ω impedance standard, it is compatible with mainstream coaxial cables including RG402, RG405, 50-3, and 50-7. The crimped connection enables fast, reliable installation without soldering, significantly improving on-site efficiency. Its threaded locking mechanism offers excellent vibration resistance and anti-loosening properties, making it ideal for automotive, outdoor, and industrial environments subject to constant vibration. The all-metal housing provides complete electromagnetic shielding to effectively suppress external interference and ensure signal purity. Widely used in 5G base stations, satellite communications, vector network analyzers, military equipment, and WLAN systems, this cable is the ideal choice for system integrators and engineers building high-reliability RF links.

N-Type Male Crimp RF Connector | 50Ω DC-6GHz, Compatible with SYV-50-7/7D-FB/LMR400 Cables. Designed for UAV Jammers, Base Stations, Radars, and Test Equipment.
The BCKSK-N-J-7 N-type male crimp-style RF connector, manufactured by Bochuang Space-Time, features a high-precision brass body and gold-plated center pin to ensure low VSWR (≤ 1.3) and high shielding effectiveness within the DC-6GHz frequency band. Compliant with the 50Ω impedance standard, it is compatible with mainstream coaxial cables such as SYV-50-7, 7D-FB, and LMR400. Its crimp-style design enables fast, reliable installation without soldering, significantly improving on-site efficiency. The threaded locking mechanism delivers superior vibration resistance and anti-loosening performance, making it ideal for automotive, outdoor, and industrial environments subject to vibration. The all-metal housing provides complete electromagnetic shielding to effectively suppress external interference and maintain signal integrity. Widely used in 5G base stations, satellite communications, vector network analyzers, military equipment, and wireless LAN systems, this connector is the ideal choice for system integrators and engineers building high-reliability RF links.

200W Module Attenuation Load DC-3GHz 50Ω N-Type Male RF Dummy Load Industrial-Grade High-Power Termination Resistor Direct from Shenzhen Factory
This 200W module attenuator load is designed for RF system testing and base station commissioning. It operates from DC to 3GHz, features a rated power of 200W, standard impedance of 50Ω, and uses an N-type male connector to ensure stable signal absorption without reflection under high-power conditions. The housing employs an aluminum alloy heat sink structure to effectively handle sustained high-load scenarios. Ideal for applications including communication base stations, radar systems, amplifier burn-in testing, and EMC laboratories. Directly supplied by the Shenzhen manufacturer with support for bulk customization and long-term supply agreements—this 200W module attenuator load is the ideal choice for system integrators and contractors purchasing in volume.

Bochuang Space-Time N Female to SMA Male Connector Antenna Adapter 50Ω All-Copper RF Adapter 0-6GHz High-Frequency Low-Loss Coaxial RF Connector
The BCSK-NF-SMA-M is an N-female to SMA-male antenna adapter designed for RF communication systems, developed by Bochuang Spacetime. Featuring gold-plated copper conductors and precision threading, it supports 0-6GHz bandwidth signal transmission with a stable impedance of 50Ω, minimizing insertion loss and ensuring signal integrity. As an industrial-grade RF coaxial adapter, the BCSK-NF-SMA-M boasts a reinforced brass housing and gold-plated contacts for superior oxidation and corrosion resistance. Ideal for wireless routers, 4G/5G antennas, test equipment, and IoT devices, its tool-free plug-and-play design enables quick installation—making it the perfect choice for building reliable RF links.
Need more information?
Our technical team is ready to provide detailed specifications and custom solutions.
