Shielded Cat 5 and Ferrite Beads are your friend. I have been where you are and this fixed it all for me. Scriv
On Wed, Apr 29, 2009 at 10:01 AM, Steve Barnes <st...@pcswin.com> wrote: > I have an odd situation, I have 2-2.4 180* sectors MT RB411 and 5-5.8 StarOS > War1 backhaul radios and a RB600 router at the top of a 265ft old AT&T > microwave tower. The top has a grounded NEMA metal box and POE powered by an > Allen Bradley converter. I have an AC and an Ethernet run to the base where I > have a APC UPS. > > The owner just leased space to another client 20 Feet away on same level from > me. It is a local REMC doing meter reading on 221Mhz. They were having > problems with receiving they brought in a spectrum analyzer and there was a > noise floor of -71 at 220Mhz. The tower owner being an radio guy not a > wireless guy just killed power on the ups. (taking down all my stuff and > locking up 1 one of the radios for an hour GRRR) When our equipment was off > the noise floor went to -108. As soon as he powered me back up the noise > returned. They actually said that there was noise from around 150Mhz to > 240Mhz. > > Everything is grounded and cased in metal except the LMR that goes to the > Antennas, the AC wire is in flex and the shielded Ethernet down the tower. > > Ideas? there might be a little noise off the oscillators of the War-1 boards > but that's 175Mhz. The Ethernet is 100Mhz, RB411 300Mhz and RB600 266 MHz > > Steve Barnes > RCWiFi Wireless Internet Service > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
