Zhenjiang Baierde Electronic Co.,Ltd. TY_YOU_ARE Zhenjiang Baierde Electronic Co.,Ltd.
Zhenjiang Baierde Electronic Co.,Ltd.
Zhenjiang Baierde Electronic Co.,Ltd.
Zhenjiang Baierde Electronic Co.,Ltd.
RF Coaxial Connectors

Types of RF Coaxial Cable Connector

Applications of RF Coaxial Connector


An RF (radio frequency) connector is a specialized electrical interconnect designed to maintain signal integrity at frequencies ranging from multi-megahertz to millimeter-wave bands (110+ GHz). These components serve as critical interfaces in coaxial transmission systems, preserving the cable's electromagnetic shielding while minimizing impedance discontinuities that cause signal reflection. Below is a detailed breakdown of their key applications:


1. Telecommunications & 5G Networks

  • 5G Base Stations:

mmWave (28/39 GHz): 2.92mm or SMPM connectors for low-loss, high-frequency links

Macro/Micro Cells: N-type or 7/16 DIN for high-power RF feeds

  • lFiber-to-Antenna (FTTA): SMA connectors for RF-over-Fiber interfaces


2. Aerospace & Defense Systems

  • Radar & EW (Electronic Warfare):

TNC RF Connectors (Threaded Neill-Concelman): Vibration-resistant for airborne radar

SMA RF Connectors: Missile guidance & avionics (up to 18 GHz)

  • Satellite Communications:

MMCX RF Connectors: Compact payload interconnects

SMP RF Connectors: Phased array antennas (DC-40 GHz)


3. Automotive & ADAS

  • V2X (Vehicle-to-Everything):

FAKRA: Standardized connectors for GPS/DSRC antennas

HSD (High-Speed Data) + RF Hybrid: For autonomous driving sensors

  • In-Vehicle Infotainment: F-type for GPS/Cellular antennas


4. Test & Measurement Equipment

  • Vector Network Analyzers (VNA):

3.5mm/2.4mm: Precision metrology (DC-50 GHz)

  • Oscilloscopes & Signal Generators:

BNC (50Ω/75Ω): General-purpose RF probing


5. Medical Electronics

  • MRI Machines: SMA for RF coil interfaces (low-noise)

  • Portable Medical Devices: MMCX for space-constrained designs


6. Industrial & Consumer Electronics

  • WiFi 6/6E Routers: RP-SMA for external antennas

  • Drones & IoT Devices: U.FL (IPEX) for lightweight, compact links


7. Broadcast & Video Systems

  • 4K/8K SDI Video: BNC (75Ω) for studio-grade signal integrity

  • Satellite/Cable TV: F-type for LNB & distribution networks



Features of RF Coaxial Connectors

  • High-Frequency Performance

    SMA RF coaxial connectors support frequencies up to 18 GHz with stable 50Ω impedance, ensuring minimal signal loss and excellent VSWR for precision RF applications.


  • Robust Mechanical Design

    Featuring threaded coupling (1/4-36UNS), SMA RF coaxial connectors provide vibration-resistant mating and long-term durability in harsh environments and high-cycle applications.


  • Compact Versatility

    With their miniature form factor, SMA RF coaxial connectors enable space-efficient designs while offering multiple configurations (straight, right-angle, bulkhead) for flexible system integration.

Why Professionals Choose Baierde's RF Coaxial Connectors

  • 01.
    OEM/ODM Services

    Whether based on your drawings, samples or specific requirements, our customization capabilities allow our team to design and prototype for your approval before mass production. Mass-produced units maintain identical quality standards to approved samples.


  • 02.
    Reliable Quality Control

    Rigorous inspections at every production step allow only qualified items to proceed, 100% final inspection by certified QC inspectors and random audits by engineering staff. Products cleared by both teams are warehoused for shipment, ensuring flawless delivery.


  • 03.
    Competitive Prices

    With 210+ advanced production equipment and 100+ skilled workers in our fully integrated facility, we manufacture all products in-house - eliminating middlemen to deliver superior cost efficiency.

RF Coaxial Cable Connector FAQs

What is RF Coaxial Connectors and its key Characteristics?

An RF coaxial connector (Radio Frequency coaxial connector) is a specialized electrical connector designed to maintain the shielding and impedance characteristics of coaxial cables while providing a secure interface for transmitting high-frequency signals. These connectors are essential components in systems requiring precise RF signal transmission with minimal loss or interference.


Key Characteristics of RF Coaxial Connectors

1. Purpose

  • Provide reliable connections for coaxial cables in RF/microwave systems.

  • Ensure consistent 50Ω or 75Ω impedance (matched to the cable).

  • Minimize signal reflection (low VSWR) and insertion loss.


2. Core Components

  • Center conductor: Carries the signal (often gold-plated for conductivity).

  • Dielectric insulator: Separates conductors (e.g., PTFE for low loss).

  • Outer shield: Blocks EMI/RFI interference (braided or solid metal).

  • Coupling mechanism: Threaded (SMA/TNC), snap-on (SMB), or bayonet (BNC).


3. Frequency Range

  • DC to 110 GHz, depending on type (e.g., SMA: 0–18 GHz, 2.92mm: 0–40 GHz).


Common Types of RF Coaxial Connectors

Type

Frequency

Coupling

Key Applications

BNC

0~4GHz

Bayonet

Test equipment, video systems

SMA

0~18GHz

Threaded

5G, aerospace, WiFi

N-Type

0~11GHz

Threaded

Telecom base stations, radar

2.92mm

0~40GHz

Threaded

Millimeter-wave, satellite

FAKRA

0~6GHz

Keyed Lock

Automotive (GPS, ADAS)


How to select a suitable RF Coaxial Connectors?

Selecting the right RF coaxial connector requires careful consideration of electrical, mechanical, and environmental factors. Here's a professional step-by-step guide:


1. Determine Electrical Requirements

Parameter

Considerations

Examples

Frequency

Must cover system operating range

- WiFi: 2.4/5GHz→SMA

- 5G mmWave: 28GHz →2.92mm

Impedance

Match cable/system (50 ohms or 75 ohms)

50 ohms for RF,

75 ohms for video

VSWR

≤1.5:1 for critical apps

Radar: <1.3:1

Insertion Loss

Lower=better (esp. Above 1GHz)

<0.2dB@6GHz for 5G


2. Evaluate Mechanical Needs

Interface Type:

  • Threaded (SMA/N-type): Vibration resistance

  • Snap-on (SMB): Quick assembly

  • Bayonet (BNC): Frequent connect/disconnect

Size Constraints:

  • MMCX (2.8mm): Wearables

  • N-type (15mm): High-power systems


3. Environmental Factors

Condition

Solution

High vibration

Threaded (TNC) or MIL-SPEC versions

Outdoor use

IP67-rated (eg. FAKRA for automotive)

Extreme temps

PTFE dielectric (-65°C to +165°C)


4. Special Applications

  • High Power (>100W): N-type/7/16 DIN

  • Low PIM (5G/C-RAN): <-160 dBc models

  • Space (Phased Arrays): SMPM (3.6mm pitch)


5. Compatibility Checklist

  • Gender (Male/Female)

  • Mating adapter availability

  • PCB/cable termination style


Pro Tip: Always request samples for real-world testing before bulk orders, especially for mmWave (>24 GHz) applications where tolerances are critical.

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Contact Us

A professional manufacturer of RF Coaxial Connectors with over 20 years of experience

  • Contact With Us:

    E-mail: info@brdconnector.com

  • Have a Questions? Call Us:

    +86-18136817958

  • Add:

    Zhongtian North Road, Xinfeng Town, Dantu District, Zhenjiang City, Jiangsu Province, China

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