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Small batch orders or urgent orders: PayPal, Western Union, Escrow, 100% payment before shipment. For large orders: 30%/50% of T/T as deposit, the balance before shipment.

How about the warranty?

We can provide 1 year warranty.

RF Dual Directional Coupler 3.0~4.0GHz S Band 0.4dB 300W N Female

Name: RF Dual Directional Coupler 3.0~4.0GHz S Band 0.4dB 300W N Female
Brand: Xian Efine Electronics Technology Co., Ltd
SKU: 1959796671

Shaanxi, ChinaXian Efine Electronics Technology Co., Ltd

US$280.00-330.00

1 Piece

Product profile

Customization

Available

Certification

FCC, CCC, RoHS, ISO, CE

Condition

New

Model NO.

EFDDCP5555A3T4NF

Work Mode

FDD

Usage

Radio, Television, Observatory, Satellite, Plane, Ship, Car

Information Content

Text, Picture, Video, Audio

Type

Optical

Place of Origin

Shaanxi, China

Payment Term

T/T, Paypal, Alipay

Freq. Range

DC-3GHz

Reverse Power

300

Isolation

75dB

Temperature

-40~+85

Certificate

RoHS, Reach, ISO9001, ISO14001

Insertion Loss

1.8dB (Split 3dB)

Connector Type

SMA-Female

Forward Power

100W

Vswr Max

1.3

Transport Package

Package

Trademark

Origin

China

Production Capacity

50000PC/Year

Key features

Dual Directional Coupler: EFDDCP5555A3T4NF model with 3.0~4.0GHz frequency range and 0.4dB insertion loss.

High Power Handling: Supports 300W forward power and 100W reverse power with N Female connector.

Multiple Certifications: Certified with FCC, CCC, RoHS, ISO9001, ISO14001, and CE standards.

1-Year Warranty: Comprehensive 1-year warranty coverage for all mechanical defects.

Customization Available: Custom frequency range, coupling, power, and connector types are supported.

Fast Delivery: Standard delivery in 7-15 working days after 100% payment receipt.

Professional Manufacturer: 15 years experience in microwave components with in-house design and manufacturing.

Company profile

In-stock CapacityR&D CapabilitiesCustomization from DesignsOEM Services

Xian Efine Electronics Technology Co., Ltd

Shaanxi, China

Business Type: Manufacturer/FactoryExport Year: 2022-10-26Nearest Port: TianJin, ShangHai, QingDaoAverage Response Time: ≤3.30hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA

AI-Powered supplier vetting

SummaryXian Efine Electronics Technology Co., Ltd. is identified as a China-based manufacturer/factory and limited company operating in Shaanxi. The supplier presents microwave waveguide components, assemblies, antenna systems, slip ring sensors, horn antennas, RF components, and bent waveguides, with in-house design, manufacturing, inspection, and quality-control capabilities. It states that microwave measurement capability reaches 60 GHz, standard delivery is within 15 working days in both peak and off-peak periods, and exports cover multiple global regions. ISO 9001:2017 certification and TQM/SOP implementation are stated, although the audit result is recorded as 0 and the audit validity shown ended on 2025-10-20. No SDK is available. Financial records are referenced for 2021–2023, but no financial performance details are provided. No customer cases or after-sales service evidence is available. Sustainability-related fire-drill and environmental-assessment statuses are unknown.

CertificationsThe supplier states that it implements TQM and SOP under ISO 9001:2017 certification. However, the audit record shows a BV audit result of 0, and the listed audit validity ended on 2025-10-20; therefore, current certification or audit standing is not fully verifiable from the provided information.

R&D capabilityThe supplier states that it has trained design engineers, supports standard and custom products, and possesses in-house design capability with microwave measurement up to 60 GHz. However, no SDK is available, and no detailed R&D outputs, patents, or development metrics are provided.

Production capacityThe supplier identifies itself as a manufacturer/factory, describes in-house manufacturing and quality-control capabilities, reports annual production output above the stated threshold, and indicates delivery within 15 working days during both peak and off-peak periods. These records explicitly support substantial production and delivery capability.

Customization capabilityThe supplier explicitly states that its trained design and manufacturing personnel can handle both standard and custom products, supported by in-house design, manufacturing, inspection, and quality control. This is direct evidence of customization capability.

Product Q&A

Q:Are you a manufacturer or trading company?

Yes, we are a manufacturer with 15 years of professional experience in the telecom field, capable of designing and manufacturing a wide range of microwave waveguide components, coaxial components, antennas, and other telecommunication components for the global market.

Q:How to make an OEM order?

1. We manufacture based on your mechanical drawings, with minor alterations if needed to meet electrical specs. Alternatively, we can produce samples for confirmation. 2. After agreement on details, packaging, quantity, price, and terms, the buyer sends a PO or seller sends a PI.

Q:How do you solve after-sales service issues?

After receiving the goods, if you have any dissatisfaction or other issues, please contact us ASAP. We will give you a fast response and a reasonable solution.

Q:How long is your delivery time?

Usually 7-15 working days after receiving your 100% payment. For bulk orders: 15-35 working days after receiving the deposit.

Q:How do I get samples?

We need to receive your payment before we can send the samples to you. After the customer confirms the order, we will reduce the sample cost. However, if you are our regular customer, we can send the sample to you and then deduct it from your account in the next transaction.