3-1/8" Waterproof Eia Flange RF Coaxial Connector with 70mm Sq Flange and Exposed 20mm Pin
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Product Highlights
- High Power Handling: Supports 23KW average power at 900MHz and 270KW peak power.
- Durable Construction: Brass body with PTFE insulator and 500+ mating cycles.
- RoHS Compliant: Fully compliant with RoHS (2002/95/EC) environmental standards.
- Fast Delivery: Standard delivery within 14 days after order confirmation.
- ISO 9001 Certified: Production process conforms to ISO 9001:2008 quality standards.
- Customization Available: Customized drawings, samples, and packaging services offered.
- Flexible MOQ: Accepts small trial orders with flexible minimum quantity.
Product Attributes
- Customization
- Available
- Type
- Generally Coaxial Connector
- Coupling Mechanism
- Clamping Type
- Model NO.
- 25/8EIA-70F-20M5
- Application
- PCB, Microwave, RF
- Classification
- Female Connector
- Interface Type
- Eia
- Shape
- Square
- VSWR
- 1.25:1
- Medium Pressure
- 6000V
- Brand
- Four Star
- Connector Type
- 25/8" Eia Flange Connector
- Materials
- Brass and PTFE
- Plating
- Ni and Silver
- Impedance
- 50ohm
- Frequency Range
- DC-3GHz
- RoHS Certificate
- Complaint
- Transport Package
- 100 Pieces in One Carton.
- Specification
- Carton (32cmx29cmx23cm)
- Origin
- China Jiangsu Zhenjiang
- HS Code
- 85369090
- Production Capacity
- 500000 Pieces/Year
- Package Size
- 55.00cm * 45.00cm * 30.00cm
- Package Gross Weight
- 35.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of 3-1/8" Waterproof Eia Flange RF Coaxial Connector with 70mm Sq Flange and Exposed 20mm Pin
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Product Description
3-1/8″EIA (Flange) Connector With 70mm SQ Flange and Exposed 20mm Pin![]() |
||
| Model No. | 25/8EIA-70f-20m5 | |
| Interface | IEC60339-2 | |
| Electrical | ||
| Characteristic Impedance | 50ohm | |
| Frequency Range | DC-3GHz | |
| VSWR | ≤1.07@DC-1000MHz | |
| Dielectric Withstanding Voltage | ≥6000V RMS,50Hz,at sea level | |
| Dielectric Resistance | ≥5000MΩ | |
| Average Power | 23KW @900MHz | |
| Peak Power Maximum | 270KW | |
| Contact Resistance | Center Contact ≤1.5mΩ | Outer Contact ≤1.5 mΩ |
| Mechanical | ||
| Durability | Mating cycles ≥500 | |
| Material and Plating | ||
| Parts Name | Material | Plating (Finish) |
| Body | Brass | Ni |
| Insulator | PTFE | - |
| Inner Conductor | Phosphor Bronze | Ag |
| Coupling Nut | Brass | Ni |
| Gasket | Silicone Rubber | - |
| Cable Clamp | Brass | Ni |
| Hardware kit(Bolts /Nut/Washer) | Stainless Steel | - |
| Environmental | ||
| Operating Temperature | -45 ºC to 125 ºC | |
| RoHs (2002/95/EC) | Compliant | |

| Our Service |
| 1.Reply your enquiry within 24 hours. |
| 2.Payment model: T/T, L/C,Paypal and Western Union |
| 3.Many Shipping models: By Air, By Sea, Express(DHL, Fedex, TNT UPS...) |
| 4.Lead(Delivery) time: Normally 14 days after getting order |
| 5.Port of loading: Shanghai, Ningbo and Shenzhen. |
| 6.Guarantee Period : Within 12 months after shipment. |
| 7.Operating guide(Instruction)upon request. |
| 8.Customized drawing ,sample and package can be done. |
| FAQ |
| Q:What about the quality of your products? |
| A: Our production process is in conformity with ISO 9001:2008. All products we supplied are strictly tested by our QC department before shipment. |
| Q:Can you offer samples to test before placing one formal order? |
| A:Samples for test purpose can be presented free provided that you bear the shipping cost. |
| Q:How long is usually your delivery time? |
| A: Our delivery time is usually within 14 days after we receive your order . |
| Q:What's your Shipping Methods? |
| A: By Sea ;By air (Shanghai port ) ;or by UPS ,DHL,FeDex,TNT etc. |
| Q: Can you send a sample for us to develop? |
| A: Yes, we can. The samples can be delivered within 7 business days. |
| Q: Can we have our logo or company name to be printed on your products or the package? |
| A: Yes, you can. Logo and company name can be printed on our products . You can send us the artwork by email in JPEG or TIFF format. |
| Q: Is the MOQ fixed? |
| A: The MOQ is flexible and we accept small order in the first time as trial order. |
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2541282". Items marked "" are certified.
Company Profile
Founded in 1994, Four Star Communication Parts Co., Ltd is located at No. 88 S338 Road Zhenjiang City Jiangsu Province China (230Km away from Shanghai).
Four Star Communication is one of the excellent manufacturers dedicating to design and make RF coaxial connectors, RF cable assembly, Microwave components and installation accessories of mobile base stations. Our products are widely used by Telecom Equipment manufacturer, Telecom operator, antenna manufacturer and Broadcasting equipment manufacturer. They are sold to Asia, North America, Middle East, Australia, south America and European markets.
Now Four Star Communication has 86 employees and 12000 square meters of manufacturing and office facility.
We are capable of producing over 5 million RF connectors, 0.3 million RF cable assemblies, and 0.1 million microwave components(including surge arrestor, terminator, attenuator, power spliter, directional coupler etc) annually.
We have strict quality guarantee system and advanced integrated testing equipments which guarantee us to provide excellent products for customers.
Our products range focus on as follows:
1. RF coaxial connectors and adaptor series:
1) SMA, SMB, SMC, SMZ(BT43, HDC), MCX, MMCX, QMA and QN.
2) 1.0/2.3, 1.6/5.6, F, BNC, TNC, FME, TS-9, CRC9, UHF(PL259), Mini UHF
MHV and SHV.
3) N type, 7/16 DIN, 4.1/9.5, 4.3/10.
4) EIA flange connector(7/8", 1-5/8", and 3-1/8" )
5) High Frequency Series: SMP, 1.85mm, 2.4mm, 2.92mm and 3.5mm.
6) Different type RF coaxial adaptor.
2. RF coaxial Cable assembly (Jumper Cable)
*RG Series coaxial cable assembly;
*LMR Series coaxial cable assembly;
*Foam Corrugated tube coaxial cable assembly;
*JS (D-FB) Series coaxial cable assembly;
* Telecom Series coaxial cable assembly;
*Miniature coaxial cable(0.81mm, 1.13mm, 1.32mm, 1.37mm) Jumper etc.
3. Micro-wave Components: Dummy Load(Termination); Attenuator;
Surge Arrestor(Surge Protector);
4. Other BTS Parts: Power Splitter (Divider), Directional Coupler;
We not only focus on our own products but also have abundant experience for OEMs and ODMs. Come to Four Star communication parts Co., Ltd. We sincerely look forward to meet your need.
About Our Factory & Business Background
- Address
- 1603 Wuyue Plaza, Zhenjiang, Jiangsu, China
- Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram
- International Commercial Terms(Incoterms)
- FOB, CFR, CIF, DDP, CPT, FCA, EXW
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays - Nearest Port
- Shanghai;Ningbo
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2008-06-18
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What about the quality of your products?
- Our production process is in conformity with ISO 9001:2008. All products we supplied are strictly tested by our QC department before shipment.
- Can you offer samples to test before placing one formal order?
- Samples for test purpose can be presented free provided that you bear the shipping cost.
- How long is usually your delivery time?
- Our delivery time is usually within 14 days after we receive your order .
- What's your Shipping Methods?
- By Sea ;By air (Shanghai port ) ;or by UPS ,DHL,FeDex,TNT etc.
- Can you send a sample for us to develop?
- Yes, we can. The samples can be delivered within 7 business days.
- Can we have our logo or company name to be printed on your products or the package?
- Yes, you can. Logo and company name can be printed on our products . You can send us the artwork by email in JPEG or TIFF format.
- Is the MOQ fixed?
- The MOQ is flexible and we accept small order in the first time as trial order.
Send your message to this supplier
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