WiNRADiO WR-LWA-0130 Long Wire Adapter

WiNRADiO WR-LWA-0130 Long Wire 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.

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

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.

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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