Perhaps instead of 2100 MHz look at getting the 850 MHz gear and go with Telecom service? 850 MHz will have a better building penetration than 2100 MHz - I don't think Vodafone is running any 900 MHz in the AKL CBD yet (that would be the option if you were to prefer Vodafone).
Cheers
Mauricio Freitas
www.geekzone.co.nzhttp://www.geekzone.co.nz/
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From: nznog-bounces(a)list.waikato.ac.nz [mailto:nznog-bounces(a)list.waikato.ac.nz] On Behalf Of Jonathan Brewer
Sent: Tuesday, 1 May 2012 8:17 p.m.
To: Brendan Baker
Cc: nznog
Subject: Re: [nznog] Skytower + 3G?
Without any comment on policies at Sky Tower, technically this can be done successfully.
Sky Tower is a linking platform for all the carriers, but no one runs 3G from it (at least not from the tower, that I know about). That's good. What's bad is that the upper levels of Sky Tower see ALL THE CELLS.
If, hypothetically, I were installing an OpenGear ACM5004 at Sky Tower, I'd do this:
1.) Install the 3G device in a rack where it won't get messed with. Tie that sucker down & lock your cabinet or it will walk away.
2.) Cable LMR-240 to the nearest window. With 10 meters of cable and a couple of connectors at 2100MHz you'll lose less than 4dB.
3.) Install a 10dBi patch antenna like this one in the corner of a window: http://cellutronics.co.nz/pgm-download_media.php?name=AP_0825_2500_7_10_patt...
4.) Point the antenna down (45 degrees or so) at the nearest building facing you. Use that building as a passive reflector. It works, trust me.
5.) Pay JDA for having a 120mm antenna in the window ($500 p.a.? who knows...) or don't and hope you don't get caught
6.) Enjoy your stable, five-bars 3G connectivity.
Good luck!
-JB
On Tue, May 1, 2012 at 5:43 PM, Brendan Baker
