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SWR and Power Meters

MFJ-812B - VHF SWR/Wattmeter


MFJ-812B - VHF SWR/Wattmeter

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About MFJ-812B - VHF SWR/Wattmeter

This is the worlds most popular and most affordable VHF SWR/Wattmeter.

It has a built-in Field strength Meter.

Reads 144-220 MHz SWR

Read forward and reflected power in 2 ranges - 30 or 300 Watts.

MFJ-812B also reads relative field strength from 1 to 220 MHz.

Has binding post for field strength antenna. 2 color meter.

Measures a super compact 4.5 x 2.25 x 3 inches.



We aim to dispatch all parcels within 24hrs. We are normally able to dispatch parcels SAME DAY where orders are received before 2.00pm Monday to Friday.


Whilst we try our best to ship same day, we cannot guarantee delivery time. You will however receive tracking details as soon as your order has been processed.


Please note that we do not process orders over the weekend, so orders placed after 2pm on Friday will not ship until Monday.


Please allow an extra processing day for international orders to enable us to complete export/import custom clearance declarations.

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