User's Manual
Version
1.0
Date
NOV. 27, 2018
Page
29/ 42
Title
USER MANUAL
Prepared by
KO. SUNGMOO
Reviewed by
Approved by
29
© 2018 GS Instech Co., Ltd. All rights reserved.
7. System Block Configuration
7.1. Block Diagram
Figure 16. PSD-LI27 Block Diagram Configuration
The repeater improves service in the Dual Band Public safety networks.
User may select frequency band according to the site peculiarities.
After receiving a weak signal from Donor antenna, the PSD-LI27 sends downlink signal to PSS-LI33/37 using DOU.
DOU supports the translation of RF signal to Optic signal for connecting PSS-LI37 through the fiber optic cable. And
then Uplink Signal that received from PSS-LI37 amplify, is send to the Base station via Donor Antenna.
Figure 17. PSS-LI33 / 37 Block Diagram Configuration