User's Manual

3
1. General Information
1.1 Introduction
This manual provides information pertaining to the installation and operation of
OPISYS’s USHR-1900H “Ultra Slim Home” bi-directional amplifiers. This unit is
for CDMA and GSM modulations in the PCS frequencies as shown in Table 1-1.
<Table 1-1: USHR-1900H Bi-directional amplifier >
Model Number
Down Link*
Frequencies
Up Link**
Frequencies
Modulation
USHR-1900H 1930 ~ 1990 MHz 1850 ~ 1910 MHz CDMA,GSM
*: Down Link (= Forward Path) is from base station to mobile
**: Up Link ( = Reverse Path) is from mobile to base station