HeFei Vinncom Electronic Technology Co.,Ltd.
                                                                                                           
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550-3800MHz 12dB 500W Air Dielectric RF Directional Coupler with 4.3-10 Female Interface

Price Negotiable
Price: Negotiable
MOQ: 5 PCS
Delivery Time: Negotiable
Brand: Vinncom
Product Description
Product Overview

High-performance 550-3800MHz RF directional coupler with air dielectric construction, designed for demanding DAS and IBS applications requiring exceptional signal quality and reliability.

Key Performance Features
  • Excellent PIM performance: -163dBc @ 43dBm×2
  • Superior return loss characteristics
  • Low VSWR across all ports (≤1.25)
  • IP65 rated for indoor/outdoor deployment
  • ROHS compliant construction
Technical Specifications
Parameter Value
Part Number VN-DC-05538-OPx
Operating Frequency 550-3800 MHz
Impedance 50 Ohm
VSWR ≤1.25
Interface 4.3-10 Female
Handling Power (max) 500W
Peak Power (max) 1500W
Operating Temperature -40°C to +80°C
Dimensions (L×W×H) 182.5 × 44 × 31 mm
Net Weight 775g ±5%
Coupling Performance
Coupling (dB) Tolerance (±dB) Insertion Loss (dB) Isolation (dB)
6 1.2 ≤1.8 ≥24
7 1.2 ≤1.5 ≥25
8 1.2 ≤1.1 ≥26
15 1.5 ≤0.4 ≥33
20 1.7 ≤0.2 ≥38
30 1.8 ≤0.17 ≥48
Product Images
550-3800MHz RF Directional Coupler front view showing 4.3-10 female connectors
550-3800MHz RF Directional Coupler side view with dimensional specifications
Applications & Technology

Directional couplers are passive RF devices that sample electromagnetic power from transmission lines while maintaining directional sensitivity. The Vinncom air-dielectric design provides superior performance for:

  • Distributed Antenna Systems (DAS) and In-Building Solutions (IBS)
  • Signal monitoring and measurement applications
  • Cable TV and mobile signal coverage systems
  • Telecommunications infrastructure
  • RF power splitting and combining operations

These couplers feature unidirectional power coupling, ensuring signals flow only in designated paths for optimal system performance.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company HeFei Vinncom Electronic Technology Co.,Ltd.
Location GangHuai Road ,New Industrial Zone ,GangJi Town ,ChangFeng County ,HeFei City ,AnHui Province
Contact Person Peter Lee

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