User's Manual

File Doc. No. Date Version Page
DBHB-20 5700 9004 055 Nov. 05 1.0 8/13
Next Generation
Signal Enhancement
6.3 Installation Procedure: Do It Yourself
To install DBHB-20 booster, follow the steps as mentioned below:
1. Locate weak signal areas by moving around with a mobile phone and the
SIM card of the cellular operator, and check the signal level indicated by
the number of bars on the mobile phone display.
2. Similarly, locate donor (outdoor) antenna position by observing the
maximum signal received from the base station.
3. Unpack the equipment supplied and check as per the packing list.
4 Mount the donor (outdoor) antenna at the position selected (ref 2 above).
5 Mount the DBHB-20 booster in the area of weak signal (ref 1 above)
6 Route the RF coaxial cable and interconnect it with the donor
antenna and DBHB-20 booster, which is supplied in the installation
kit.
7 Ensure that the three-pin power point has proper earthing
connection, before switching on the power to booster.
Please remember the following important points:
i. The RF cable must not be kinked, cut or damaged in any way.
ii. Connect the RF cable to the donor antenna taking care to avoid cross
threading or stripping. The RF connections should be snug and tight.
iii. Seal the outdoor connectors with waterproof sealant (such as M–
seal) or the appropriate weather tight boot.
6.4 Power Startup / Alarm Checks / Coverage Testing
1. Plug in the AC/DC Power Adapter power cord to AC main and other side
DC plug insert 9V DC socket in Home Booster.
2. When the booster is ON initially all the LED’s will blink two times.
3. The system will automatically control the attenuation to keep the both uplink
and downlink output power at a constant level of 10dBm. The system will
insert or release the attenuation by 1dB step.