I need help very bad
we are making noise on our fire deparment 76.450Mhz
But is not all the time
When we shutdown our 5Ghz system, it goes away
we have make a test, where the system is working a lot. no noise
we have RouterBOARD 532, with 4 Wireless (Atheros AR5213) card
ist all have ground, is in a seal metal boks.
Then we have a Link 5.1-5.8Ghz Integrated Router Antenna , RouterBOARD 532 connectet to the other board (Atheros AR5213)
when we install the system it was in pvc box, then we make noise
then we switcs cabels (internet/power) to shield cabels, and put the routerboard in a seal metal boks
we wil try to got 2.4ghz to see that solve the problems.
But we need to use 5ghz
What can the problem be ??
the board in the link, is not shield more than it is, (and can make the noise)
Hope someome have a helping hand, because the Fire deparment will get the pluck