BX-245 : FA-VA5 Vector Antenna Analyzer kit

Image of completed kit, switched onImage of completed kit, switched onKit-included basic SOL reference elementsKit-included basic SOL reference elementsImpedance selection menueImpedance selection menueSWR at 450 MHzSWR at 450 MHzSmith diagramSmith diagram

Radio amateurs who build their own antennas, appreciate the value of a vector antenna analyzer. The apparatus presented here as a kit is characterised by high accuracy, small dimensions and easy handling. It allows one port measurements in the frequency range 10 kHz to 600 MHz with a selectable system impedance of 25, 50 or 75 Ohms (BNC).

This kit is an improved version of the BX-240 Vector Antenna Analyzer Kit. It now includes an USB interface for connection with a PC and usage with VNWA Software by DG8SAQ (see Weblinks), a piezo buzzer for accoustic hints and selectable impedance (25, 50 or 75 Ohms). Firmware easily updateable by the user via USB-PC-Connection.

Easy to build with all SMD parts preassembled. Comes with pre-machined enclosure, english assembly and operating manual and selectable menue language (german/english).

Powered by 2 x AA alkaline batteries (50 mA average consumption without display backlight), Size only 5 ✕ 3½ ✕ 1 inch, weighs only 290 g (including batteries).

A set of professional-grade SOL reference elements is available separately.

$189.00 includes shipping and handling


New kit charge in preparation.


English language construction and user manual.

Files and installation instructions in german and english language.

Files and installation instructions in german and english language.


VNWA-Software by DG8SAQ

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If you are not from the United States, Canada, Japan, Australia or New Zealand you can order this item via our main online store at https://www.box73.de instead.