GMRS Repeater Antennas

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WQOC472

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Hello,

I have a Motorola R1225 UHF Repeater on GMRS RX:462.5500 TX:467.5500.

I need some help on my antenna situation. I currently have a Tram/Browning BR-6155 [Tram/Browning BR-6155] - $79.95 : The Antenna Farm :: , Your Two Way Radio Source! antenna on a 15' mast that is on top of a 25' building connected to 50' of Andrew LDF450A coax. The R1225 repeater did not come with a duplexer. I do have 65' of LMR400 coax that is not being used.

My question is, Should i use two antennas (1 for TX, 1 for RX) or just go buy a duplexer? If i you suggest i use two antennas, how should i set them up?

Your input is greatly appreicated!

Thank you

Zach - WQOC472
 

kayn1n32008

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Get a duplexer. They work and that way you do not have any issue trying to muck about with dual antennas
 

WQOC472

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Do you know of anywhere to purchase one for a reasonable price? I have looked on eBay and they all come from china.
 

kayn1n32008

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If you are not going to have the repeater in a high RF enviroment then the ebay mobile duplexers will work fine. Sinclair are the benchmark of duplexers and the ebay Chinese duplexers that are copies of the Sinclair are just as good spec wise as Sinclair. Yes they are Chinese knockoffs but are the same but at a fraction of the price
 
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