rlgoodin
05-17-2006, 06:10 PM
Here is what it says about the multi-sector Vertical Polarized Omni from Pac Wireless:
The MultiSector™ Vertically Polarized Sectorized Omnidirectional antenna systems offered by Pacific Wireless are a sector antenna array packaged in a unique integrated radome with single point mounting system. Multiple sector antennas are packaged in a single low profile antenna housing which minimizes installation time and tower leasing costs. Through beamshape engineering, the sectors have excellent isolation and crosstalk characteristics which allow them to coexist in a small physical space. In order to provide for more consitent coverage close to the tower as well as at a distance from the tower, the antennas feature electrical downtilt as well as beam shaping to create a null fill pattern between the antenna and the ground for more consistent coverage. The antennas are constructed of UV stable PVC radomes for long service life in the most demanding conditions. The antennas feature corrosion resistant metal elements and a unique air dielectric system which is more stable than PCB based antenna systems because they don’t absorb moisture, which can degrade the performance. The antennas are designed to mount to the top of a 1” to 1.73” diameter pole but can also be mounted to the side of a larger pole using pipe clamps or U-Bolt clamps.
I am thinking of alternating channels and using 2 of these antennas:
Channels 1, 3, 5, 7, 9, and 11 but channels 1, 5, and 9 on the first antenna, and 3, 7, and 11 on the second antenna. And mounted so that each 120 degree sector catches 60 degrees of the adjacent, but opposite antenna channel. At least I think I got that right.
I think this would reduce noise and simplify installation of the CPE by providing 3 channels in each direction.
But how do I get diversity without buying some more antennas?
Lee
The MultiSector™ Vertically Polarized Sectorized Omnidirectional antenna systems offered by Pacific Wireless are a sector antenna array packaged in a unique integrated radome with single point mounting system. Multiple sector antennas are packaged in a single low profile antenna housing which minimizes installation time and tower leasing costs. Through beamshape engineering, the sectors have excellent isolation and crosstalk characteristics which allow them to coexist in a small physical space. In order to provide for more consitent coverage close to the tower as well as at a distance from the tower, the antennas feature electrical downtilt as well as beam shaping to create a null fill pattern between the antenna and the ground for more consistent coverage. The antennas are constructed of UV stable PVC radomes for long service life in the most demanding conditions. The antennas feature corrosion resistant metal elements and a unique air dielectric system which is more stable than PCB based antenna systems because they don’t absorb moisture, which can degrade the performance. The antennas are designed to mount to the top of a 1” to 1.73” diameter pole but can also be mounted to the side of a larger pole using pipe clamps or U-Bolt clamps.
I am thinking of alternating channels and using 2 of these antennas:
Channels 1, 3, 5, 7, 9, and 11 but channels 1, 5, and 9 on the first antenna, and 3, 7, and 11 on the second antenna. And mounted so that each 120 degree sector catches 60 degrees of the adjacent, but opposite antenna channel. At least I think I got that right.
I think this would reduce noise and simplify installation of the CPE by providing 3 channels in each direction.
But how do I get diversity without buying some more antennas?
Lee