DIGIMINI AMERICAS REPEATERS
PRODUCT DESCRIPTION AND USER’S MANUAL
Cobham Wireless
–
Coverage
Date: 6-Jul-17
www.cobham.com/wireless
Document number: 00031UM
Rev. 6.3
Page |
2-2
2.1.3 Installation Criteria
Installation requirements:
•
Select a location for the Donor antenna and verify that there is enough signal strength at that location.
•
Install the Donor Antenna at the designated height.
•
The antenna should point to the direction of the base station for maximum input power.
•
Verify that the antenna is in the base stations line of sight (raise the antenna if necessary).
•
Install the donor antenna at a higher level (i.e. floor) than the mobile antenna.
•
Must be installed at a minimum distance of 20cm from any personnel within the area.
2.2 Service Antenna Requirements
The Service antenna is installed indoors, where the type of antenna depends on the application.
2.2.1 Required Antenna Information
The following antenna requirements, specifications and site considerations should be met.
•
Service area type and size
•
Antenna type and characteristics
•
Height
•
Length and type of coaxial cable required for connecting the antenna to the Repeater and the
attenuation.
2.2.2 Recommended Antennas
•
One or a combination of the following antennas can be used: Ceiling Mount Patch antenna, Wall Mount
Patch antenna, Corner Reflector.
•
Choose an antenna with high side lobe attenuation which enables maximum isolation from the service/
mobile antenna.
•
Maximum antenna gain for indoor operation 2.2dBi
•
Cable and jumper loss is at least 2dB.
2.2.3 Service Antenna Installation Criteria
Determine the antenna installation configuration, according to the transmission requirements and the
installation site conditions.
Installation requirements:
•
An indoor antenna should be installed at a convenient location. It should be free of metallic obstruction.
•
Install the Service Antenna at the designated height and tune it roughly toward the Service coverage
area.
•
Installation of this antenna must provide a minimum separation distance of 20cm from any personnel
within the area.
