• Product Details
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Product Details
SMA Coaxial Connector
SMA Coaxial Connector
SMA Coaxial Connector
SMA Coaxial Connector

Product Specifications
 Applicable Standards


 Product Design LevelUniversal connector (Level 2)

Universal connector (Level 2):
Working Voltage335V
Temperature Range-40℃~+85℃
Frequency RangeDC-4GHz

Technical Parameters:
Electrical Properties:
Contact Resistance:
Center Contact ≤6mΩ
Outer Contact≤1mΩ
Insulation Resistance≥1000MΩ
 Medium Pressure1000V( Conform to the MIL-PRF-39012 paragraph 3.17)

Environmental Performance:
Temperature Range
Environment temperature-40℃~+105℃
Salt Fog>48H
Resistance to MoistureRelative humidity+40 ℃ When it is up to 95%

Product Drawings

SMA Coaxial Connector


  TYPE SMA is a Kind of RF coaxial connectors that is widely applied, with small-sized thread coupling. Characteristic impedance is 50Ω.The characteristic of connectors is in wide frequency range、excellent performance、high reliability.They are used in connection with RF cable or micro-strip line in RF circuit of the WIAN SYSTEM、controlled program、microwave equipment and the digital communication system. The frequency can be up to 18GHz by using semi-rigid or semi-flex cable.

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Product Advantages
  • 01
    All-round worry-free one-stop service
    Really cooperate with many high-end well-known brands in all walks of life for more than 10 years!
  • 02
    Senior original design team
    The company is recognized in the industry as an enterprise with the design of manufacturing display cabinets and taking the route of independent original design and development
  • 03
    Exquisite craftsmanship, 5 quality inspection factory direct sales
    Focus on product quality, the independent quality inspection department strictly controls the inspection of each process and pays attention to the service to customers, the creative design of the plan and the later process production, and the product quality and quantity are guaranteed.
  • 04
    Strong factory scale management
    Modern equipment and exquisite craftsmanship include laser cutting, ERP system, production control system, and cutting automation. Our advanced equipment can help us reduce waste.
  • 05
    Robust package transfer, professional installation, global distribution
    It has imported fully automatic hardware production equipment and environmentally friendly dust-free warehouses.
  • 06
    Environmentally friendly certified high-quality raw materials
    Established a complete ISO9001 quality assurance system, and adhered to the principle of "operate with standard procedures and speak with correct data" for total quality management
Cooperation Brand
Logistics Services
The seller sends the goods to the operation center
Store your products
Customers order your goods
Picking and packaging of goods
Quickly deliver goods and provide customer service
  • Check the logistics product restrictions to ensure that the products can be warehousing
  • Upload products in the seller's background and convert them to logistics distribution
  • Create a shipping / replenishment order in the seller's back office
  • Print labels and label products and shipments
  • Choose a delivery company or deliver to the warehouse by yourself
  • The operation center receives your products and scans them into the warehous
  • Provide a safe storage environment for your goods
  • The seller only needs to enter the warehouse nearby and automatically allocate the inventory to warehouses across the country
  • The seller pays the storage fee according to the actual volume of the product and the number of storage days
  • Logistics enhances product advantages in all aspects, helping customers choose your products
  • Products that use logistics will participate in China's free shipping activitie
  • Provide multiple payment and delivery method
  • Provide multi-channel distribution services to meet cross-channel operations
  • Use advanced networked warehousing, high-speed picking and sorting systems to quickly locate your products

    From pickup to delivery, we follow standardized procedures to prevent wrong delivery

    The packaging adopts standard packing box, patented technology bubble cushion, bubble pillow
    Special product packaging processing and special product tracking (such as fragile high-priced products)

  • Arrive quickly to ensure that the goods are delivered to customers in a timely and fast manner
  • Charge delivery fee per order
  • We provide customers with order tracking information
  • Provide customers with 24/7 customer service, making you worry-free after-sales
  • How can I select the goods and know the price?
    A: You can send an inquiry to us directly at our company website, or contact us via trademanager, email, or phone. Just feel free to tell us the details of the product you need, then we will reply to you within 24 hours.
  • Do you accept ODM or OEM business?
    A: Yes, we are ODM & OEM supplier.
  • Do you accept customized orders?
    A: Yes, we do. Personalized designs of RF products according to customer's requirements are welcomed.
  • Are you a trading company or factory?
    A: We are a direct factory with 15 experienced engineers and more than 100 employees. Our company occupies 4000 square meters.
  • What is the payment terms?
    A: We accept T/T 30% deposit when order confirmed, remaining 70% paid before delivery.
  • How to ship the goods?
    A: We ship the products by courier company. We can also use your express account to ship the goods to you if you have it, like DHL, UPS, FedEx account, TNT, EMS, etc.
  • What's the delivery time?
    A: It usually takes 7-25 days after confirming payment, but the specific time should be based on the order quantity.
  • What's your MOQ.
    A: We can accept small trial orders.
  • How long can I get the sample?
    A: Depends on your specific items, within 3-10days is required generally.
  • Is the sample available and free.
    A: Sample is available. We can provide free samples if we have ready parts in stock, but the express charge is yours. For customized items, sample costs need to be charged, which can be returned after your formal order.
Company Advantage
    We select raw material suppliers carrying the certificates that 100% guarantee the materials do no harm to the environment.
    All of our products have certificates and conform to RoHS.
    We are a manufacturer, not a trader. We can send the goods to you directly. The price is competitive.
    We have always followed the standardization rules for a rigorous production process, saving time and cost for both parties and bringing maximum benefits to you.
    We provide CAD and 3D design sketches. We perform three phases of QC to ensure product quality.
    We have 15 years of ODM&OEM experience on wireless communications components. We can provide professional technical guidance to you.
    Our staff is well trained. Your inquiry related to our product & price will be replied to within 24 hours.
    And we have an efficient factory in Shenzhen that we can ensure on-time and fast delivery.


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Basic Information
  • Year Established
  • Business Type
    Manufacturing Industry
  • Country / Region
  • Main Industry
    Connectors and Accessories
  • Main Products
    FAKRA Connectors,RF Coaxial Connectors,Coaxial Cable Assembly,RF Antenna and so on
  • Enterprise Legal Person
    Joy Qiu
  • Total Employees
    201~1000 people
  • Annual Output Value
  • Export Market
    Chinese Mainland,European Union,Middle East,Eastern Europe,Latin America,Africa,Oceania,Hong Kong and Macao and Taiwan,Japan,Southeast Asia,America,Others
  • Cooperated Customers
    Amphenol,Taoglas,Jabil,Motorola,Ruptela,Pioneer,Adayo,Neusoft and so on.
Company Profile
Shenzhen Sihanming Technology Co., Ltd was established in 2006,located in the 4th Industrial Park, Fenghuang Village, Bao'an District,Shenzhen City. Our company occupies 4000 square meters. There are more than 100 employees, 20% of them are engineers and technicians. We are professional in designing, developing, producing and sale of radio frequency coaxial connectors. With the advanced producing and inspection equipment, strong technology, perfect process flow. We have got certifications of ISO9001 and IATF16949.

We produce more than 30 series and 2000 varieties "SH-Link" brand of antennas, FAKRA automotive connectors,all kinds of RF connectors, audio and video connector, big connector for feeder cable and cable assemblies. Some of them were used in national projects. Most of them have been sold all over the world.

Quality policy: providing to customers with excellent quality and service of products on time, attach importance to the continuous improvement of technology and production efficiency.

Environmental policy: Comply with environmental laws and regulations, improve the environmental consciousness, be committed to pollution prevention and resource
conservation, continue to improve the environment.

Operation principle. Innovation, the pursuit of excellence, creating brand, proft sharing.

We produce all kinds of RF coaxial connector, cable assembly (pitail),antenna, audio and video connector, big connector for feeder cable and all kinds of adaptor,various RF coaxial connector designed for major projects.
Company Video
Design Certificate
Design Certificate
U.S. Trademark Certification
High-tech industry certificate


They are all manufactured according to the strictest international standards. 


The first thing we do is meeting with our clients and talk through their goals on a future project.


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