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  WiNRADiO WR-LWA-0130 Long Wire Adapter
WiNRADiO Long Wire Antenna Adapter Often referred to as Long Wire Balun, this device is used to match the impedance of a long wire HF antenna to a 50 ohm input impedance of a receiver.

Such impedance matching usually results in a significant signal strength increase (up to 17 dB in some cases, and approximately 5 dB on average), compared to the long wire antenna connected directly to the antenna input of the receiver.

The WiNRADiO WR-LWA-0130 Long Wire Antenna Adapter is designed to work on medium and short wave bands, covering a frequency range from 0.1 to 30 MHz. It is especially suitable for use with WiNRADiO shortwave receivers, such as the WR-G31DDC, WR-G303i, WR-G303e, WR-G313i and WR-G313e receivers.

Unlike most conventional antenna adapters, the WiNRADiO WR-LWA-0130 Long Wire Antenna Adapter employs a dual broadband transformer technique which offers an improved performance over single-transformer devices.

WiNRADiO Long Wire Antenna Adapter Features

 Frequency coverage 0.1 to 30 MHz
 Typical signal strength gain 5 dB (17 dB max)
 Dual transformer technique
 Standard BNC connector
 Rugged weatherproof construction
 Simple installation

Installation

WR-LWA-130 Long Wire Antenna Adapter Installation The adapter is connected to the receiver via a BNC connector and a suitable low-loss coaxial cable.

For outdoor installation we recommend the use of Coax Seal applied over the BNC connector, for additional weather-proof protection.


Long Wire Antenna Adapter Installation  

Strip the end of the antenna lead-in wire and tighten it under the winged nut. Connect the Long Wire Adapter to the receiver using a coaxial cable with a BNC connector.

 

Technical Specifications
Type Dual-transformer passive impedance adapter
Frequency range 100 kHz to 30 MHz
Impedance ratio 1:9
Connectors BNC (receiver side)
M4 screw with winged nut (antenna side)
Enclosure Diecast aluminium
Size 60 x 35 x 30 mm (2.3 x 1.4 x 1.2 in)
(excluding connectors)
Weight 105 grams (3.8 oz)

Specifications are subject to change without notice due to continuous product development and improvement.

 

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