This is at 3.65ghz? 5.6db sounds about right to me for 60'. It is a big performance hit, but if they do have 1/2 watt per port, you might be able to raise the tx power enough to still be close to the max EIRP... of course you'll still be losing 6db on the receive side.
On Tue, Dec 1, 2015 at 3:41 PM, Jay Weekley <par...@cyberbroadband.net> wrote: > Yes, from the base station to the sectors. > > Josh Luthman wrote: > >> Is it LMR400 between the sectors and the radio gear? 5.6db sounds like a >> lot to me. >> >> I'd definitely ask Purewave. >> >> >> Josh Luthman >> Office: 937-552-2340 >> Direct: 937-552-2343 >> 1100 Wayne St >> Suite 1337 >> Troy, OH 45373 >> >> On Tue, Dec 1, 2015 at 4:10 PM, Jay Weekley <par...@cyberbroadband.net >> <mailto:par...@cyberbroadband.net>> wrote: >> >> We are going to experiment with some Purewave equipment that we >> have had for a while and one of our possible locations is on a >> water tank which means some of the LMR-400 to the sectors may be >> quite long. The loss calculator provided by Purewave shows that >> the loss on 60 feet of coax is 5.6 dB with Cable Run Efficiency of >> 31.6 %. Is this acceptable? I haven't worked with coax much but >> that seems like that's a big performance hit considering the loss >> on 6 feet is .7 dB and a cable run efficiency of 89.1 %. What is >> the performance hit the actual signal strength at the on the >> actual wireless link? >> >> >> >
