Flann Microwave 14094-SF40 UDR70 waveguide adaptor angled view with four mounting screws

Flann Microwave 14094-SF40 UDR70 top-down view showing model label and red SMA cap

Flann Microwave 14094-SF40 UDR70 front face showing SMA Female connector and four fixing screws

Flann Microwave 14094-SF40 UDR70 side view showing threaded ports and mounting flange base

Flann Microwave 14094-SF40 UDR70 waveguide aperture face showing WG14 rectangular opening and probe

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Flann Microwave 14094-SF40 UDR 70

Name: Flann Microwave 14094-SF40 UDR 70
Brand: Flann
SKU: 3991 4E03 ER88
Price: 34.0 GBP
Availability: OutOfStock

The Flann Microwave 14094-SF40 UDR 70 is a precision waveguide-to-coaxial adaptor interfacing WG14 rectangular waveguide to an SMA Female connector across the full C-band frequency range.
• Covers 5.38–8.18 GHz (WG14/WR137/R70) for broadband C-band applications
• SMA Female coaxial connector for compact, versatile system integration
• Robust brass construction with UDR70 flange — built for precision RF work

Manufacturer

Flann

Model

14094-SF40

Condition

Used

In stock

SKU

3991 4E03

£34.00

Connectors & cables
RF & Microwave
RF Components

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Condition: Used

The Flann Microwave 14094-SF40 UDR 70 is a broadband waveguide-to-coaxial adaptor featuring a UDR70 (WG14/WR137) rectangular waveguide flange and an SMA Female coaxial connector. The unit shows general cosmetic wear consistent with prior use, including paint scuffing on the body and base plate. The SMA connector and waveguide aperture probe appear intact.

Included in the sale:
• Flann Microwave 14094-SF40 UDR 70 waveguide-to-coaxial adaptor
• 4x mounting screws with washers

Please note that we have multiple units in stock, and the images presented are of one of them, therefore the cosmetic condition of the exact item you will receive may slightly differ.

Product Overview

Condition: Used

Included in the sale:
• Flann Microwave 14094-SF40 UDR 70 waveguide-to-coaxial adaptor
• 4x mounting screws with washers

Please note that we have multiple units in stock, and the images presented are of one of them, therefore the cosmetic condition of the exact item you will receive may slightly differ.

Manufacturer's Description

The Flann Microwave 14094-SF40 is part of the Series 094 broadband waveguide-to-coaxial adaptor range. These adaptors are designed to interface WG14 rectangular waveguide to a coaxial connector, covering the full waveguide frequency band with enhanced VSWR performance. The SF40 suffix denotes an SMA Female connector variant. Models in WG14 to WG18 feature an improved mechanical design offering greater durability and reliability whilst maintaining existing high performance specifications.

Key Specifications:
Model: 14094-SF40
Frequency Range: 5.38 GHz to 8.18 GHz
Waveguide Size: WG14 / WR137 / R70
Connector Type: SMA Female
VSWR (Broadband): 1.10 MAX
Flange Type: UDR70 or UAR70
Material: Brass (standard); Aluminium available on request
Suffix SF40: Broadband full-band SMA Female unit

Narrowband models covering typically 20% of the full waveguide band with a VSWR of 1.05 are also available. Flann Microwave Limited, founded in 1956, specialise in precision high-performance microwave components from 320 MHz to 500 GHz, serving Defence, Telecommunications, Space, Metrology, and R&D markets.

Resources

Flann Microwave Series 094 SMA-type waveguide-to-coax adaptors — product page with ordering and specification information: Download PDF

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