GMRS FUMEI DUPLEXER 400-470MHz 462.0000/467.0000 MHz

Here’s a little video on the experience I’ve had with these Chinese duplexers. The 30w is definitely not a good unit. However, the 50w version works great. Stay tuned for the tune and test of the FUMEI 50w model. Thanks for watching!

FUMEI Duplexer:

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[FelixLantiguaCamacho]

I need help. I bought Fumei SGQ-450A on amazon, I made a GMRS repeater, but I noticed that less then 0.4 miles, the repeater won`t receive any signal from my radio. I checked the high frequency port, keying up receiver radio, and nothing was shown on my meter. Is that supposed to be, or is the duplexer bad? I should I do? By the way, I bought it because I saw your video. Thanks

[robertmitchum]

I recently bought the FUMEI SGQ-450A off Amazon. The loss is tremendous. 40 watts in and only 12+ watts out, same exact scenario you’ve had with the 30 watt version. Seems strange how the 30w. and 50w. Have the exact same model number. Are they now marketing the 30 watt as the 50 watt for more money? Is the model number different from the ones you bought 2 years ago?
Reviews on Amazon are not very good. I’m going to try a tuned Duplexer from Buy Two Way Radios and see what happens. This FUMEI is heading basic to Amazon.

[luish]

sr. do you sell any uhf hand radio on ebay or something ???

[rockytop]

Hello building a GMRS repeater for our church we have licenses do you have a good used duplexer for sale let me know and thank you Brother.

[monkcheetah]

Great looking equipment! Great skill to have. But I still have a CB radio in my Jeep. Get video. Stay safe

[nkkri]

I have a friend with a local GMRS repeater. Would you know of a good simple to follow procedure to tune the duplexer. His repeater is a kenwood TKR-850. I have the service manual
but nothing on the steps to tune the duplexer to a new frequency pair. Thanks

[Ibelieve]

I have the duplexer sgq-450a.the sticker tells me low 462.000 and 467.000 for high.My repeater is 462.675 and 467.675.. Does this need to be tuned or am I fine??

Are the 50 watt duplexers already pre tuned from Amazon?

[PowderMill]

I couldn’t locate the separate video on the eBay Spec Analyzer.
Did you ever get a chance to create the video?
I was guessing you might have abandoned the idea after getting the Rigol.
Nice unit BTW. I bought an Agilent $12k portable spectrum analyzerw/TG and now realize the Rigol does early as good in simple duplexer and cavity tuning.

Thanks again.

[FelixLantiguaCamacho]

Can you please link where you bought those jumpers?

[jayross]

what kinda spectrum analyzer is that and where did you get it? thanks in advance

[mikegianfrancesco]

Do you sell repeaters i am a ham but looking for gmrs repeater