MFJ-212 Tunes up your antenna tuner without transmitting a single milliwatt! No power. Precisely tune your antenna tuner for a 1:1 SWR -- no additional "tweaking" needed. Avoids overheating/arcing caused by high SWR and long tune-ups. MFJs RF*Guard bypasses the MFJ-212 to prevent damage. Handles up to 300 Wat

MFJ-212 Tunes up your antenna tuner without transmitting a single milliwatt! No power. Precisely tune your antenna tuner for a 1:1 SWR -- no additional "tweaking" needed. Avoids overheating/arcing caused by high SWR and long tune-ups. MFJ's RF*Guard bypasses the MFJ-212 to prevent damage. Handles up to 300 Watts.

2022年4月5日 · Click here to check out the MFJ-212 Matchmaker at MFJ ($149). Update: A number of you have pointed out that the MFJ-212 is a noise bridge! I think it’s so cool that, in a sense, this accessory is even more useful when paired with a transceiver with spectrum display.

Precisely tune your antenna tuner for a 1:1 SWR -- no additional "tweaking" needed. Avoids overheating/arcing caused by high SWR and long tune-ups. MFJs RF*Guard bypasses the MFJ-212 to prevent damage. Handles up to 300 Watts. Works with all radios 160-6 Meters. 3 1/3 x 1 1/4 x 4 in. 9-12 VDC or 110 VAC with MFJ-1312D.

This new MFJ-212 MatchMakerTM lets you tune up your antenna tuner without transmitting a single milliwatt! You can't cause QRM - there's no radiated power. You can precisely tune your antenna tuner for a 1:1 SWR - no additional "tweaking" needed. …

It is a noise bridge set to 50 Ohms with a switch through relay to allow it to remain in line during transmit. It allows you to precisely adjust your transmatch without putting a signal on the air. How does it work? Set your transceiver to receive, preferably in such a …

Free Shipping - MFJ MFJ-212 with qualifying orders of $99. Shop Antenna Tuners at DX Engineering.

Summary of Contents for MFJ MatchMaker 212 Page 1 Installation and Operation The MFJ-212 Match Maker connects between your transceiver and antenna tuner. A 12 Vdc, 300 mA power supply such as the MFJ-1312B should be used to provide …

The MFJ-212 Matchmaker HF is a versatile device designed for tuning an aerial without the need to transmit. It covers a frequency range of 1.8-50MHz and can handle a maximum power of 300W. Operating at 12V with a current draw of 300mA, it also offers the convenience of a 9V internal alkaline option.

View and Download MFJ MFJ-212 instruction manual online.