User's Guide

Quantum 2200 Installation Guide v2.1
Page 21
4 Mounting the Antennas
PureWave Quantum Base Stations can be deployed with virtually any type of antennas that operate in
the relevant frequency band and that meet regional regulatory standards. Antenna mounting
procedures will vary by model and manufacturer, so we refer the installer to the instructions that came
with the antenna(s) and/or antenna mount(s) for their secure and proper installation (Figure 12)
As a general rule the antennas should be installed as close as practical to the base station. This
minimizes signal loss which is directly proportional to cable length. In addition, a high-quality, low-loss
coaxial cable capable of propagating the relevant frequencies (such as Hyperlink Technologies P/N
CA3N100 or Times Microwave LMR 400) should be utilized between the antenna and base station.
In the event that the base station cannot be co-located with the antennas the choice of cable is even
more important, as signal losses can be significant. For example, LMR 400 cable has an attenuation loss
of 6.8dB per 100ft at a frequency of 2.5GHz. It is important that cable loss be computed and understood
to ensure that adequate range will still be achieved for your deployment needs.
Figure 12: Pole-Mounted PureWave Antenna