[WISPA] Second 900mhz AP

2010-08-08 Thread ~NGL~
I need to add a second AP on a tower and need help. How far apart must the 90 degree sector antenna be placed? Can they be the same polarity? Can I run LMR-400 to them about 70ft? Anything else I should consider? Thanx NGL -

Re: [WISPA] Second 900mhz AP

2010-08-08 Thread Scott Reed
I have several sites that have multiple 900MHz APs using 10MHz channels. Obviously the more separation the better, but I have a couple of sites were the separation about 18". Both vertical polarity. I have not noticed any issues. I run 900MHz on LMR400 up to 100'. Over that I use LMR600. I

Re: [WISPA] Second 900mhz AP

2010-08-08 Thread Jerry Richardson
Before smartmeters (BC) we had 3 integrated 900's on the same tower at 906, 914, and 930 without issue. It's really about your available spectrum. You need a minimum of 9MHz spacing. 75'of cable should not be a problem other than loss is loss. I would put the AP on the back of the antenna

Re: [WISPA] Second 900mhz AP

2010-08-08 Thread Philip Dorr
Was that even legal? I thought the 900 MHz spectrum that we are allowed was 902-928. On Sun, Aug 8, 2010 at 7:00 PM, Jerry Richardson wrote: > Before smartmeters (BC) we had 3 integrated 900's on the same tower at > 906, 914, and 930 without issue. > > It's really about your available spectrum. Y

Re: [WISPA] Second 900mhz AP

2010-08-08 Thread Jerry Richardson
erry -Original Message- From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of Philip Dorr Sent: Sunday, August 08, 2010 5:32 PM To: WISPA General List Subject: Re: [WISPA] Second 900mhz AP Was that even legal? I thought the 900 MHz spectrum that we are allowed

Re: [WISPA] Second 900mhz AP

2010-08-09 Thread David Sovereen
: WISPA General List Subject: Re: [WISPA] Second 900mhz AP Was that even legal? I thought the 900 MHz spectrum that we are allowed was 902-928. On Sun, Aug 8, 2010 at 7:00 PM, Jerry Richardson wrote: > Before smartmeters (BC) we had 3 integrated 900's on the same tower at > 906, 914, and 930