User's Manual

SMR 700 800 HIGH POWER PS NFPA CLASS B SIGNAL BOOSTER
PRODUCT DESCRIPTION AND USER’S MANUAL
Cobham Wireless – Coverage
Date: 23-Nov-16
www.cobham.com/wireless
Doc. No.00060CDUM Rev. 3.4 Page | 7
2.2.3 Outdoor Installations
For applications in which the Mobile antenna is installed outdoors, the antenna type is chosen according to
the available infrastructure (single-pole or horizontal installation). In addition, isolation between the donor
and service antennas must be taken into account when selecting the location of the antennas.
2.2.3.1 Recommended Antennas
The antenna type depends on the installation:
• For vertical
Single Pole installations a high side lobe suppression antenna is required.
• For horizontal installations either on two separate poles or on two sides of one building a high front to
back ratio antenna is required.
Specifications:
• Maximum antenna gain for outdoor operation 9dBi.
• Cable and jumper loss is at least 2dB.
• [Gain Antenna – Cable loss] should not exceed 7dB
Installation requirements:
• Installation of this antenna must provide a minimum separation distance of 62cm for FCC and 91cm for
IC, from any personnel within the area.
NOTE: The Single Pole and Horizontal Installations are described in section 2.2.3.2 and 2.2.3.3.
2.2.3.2 Vertical Separation Configuration
The Vertical Separation configuration is recommended in cases where the BTS is relatively far and the
service coverage area is relatively small.
In Vertical Separation configuration, the Donor antenna can be installed either above or below the Service
antenna on a COMMON tower. It is required to set the distance between them to achieve maximum
isolation.
The figures below illustrate the installations.
Figure 2-1. Service above Donor Antenna Figure 2-2. Donor above Service Antenna