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Re: Insertion loss for RF connector adaptors





The Amphenol catalog 
http://www.amphenolrf.com/products/CatalogPages/typen_catalog.pdf says 
0.15 dB to 11 GHz.  I suppose that a double-female would be twice that, 
max 0.3 dB at 11 GHz, a lot less at 435 MHz..

W9IP

>I'm setting up my first attempt at a directional antenna array for
>satellite work.  I'm installing an 11 element 70cm cross yagi and a four
>element 2m cross yagi.  Both antennas are home-brew.
>
>The DowKey antenna relays I am using are surplus but appear to have very
>good specs for use between DC to 3GHz (worst case insertion loss at 3G
>is 0.3db, 0.1db at 2m and 70cm).  Oddly enough they have a male N
>connector for the NO side of the relay.  I was curious how much
>insertion loss I could expect by using a female-to-female N connector
>adapter, and if it is significant at 70cm?  Is the loss significant
>enough that I should simply build the cable using a female N connector?
>
>
>-Freeman, N5FPP
>
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>

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