User's Manual

P.G. TM0054RB
1-1
SECTION 1. GENERAL INFORMATION
1.1 INTRODUCTION
1.1.1 Scope of Manual. - This manual is intended to familiarize personnel installing the
R280 Repeater with all pertinent aspects of the repeater. Included in this manual are
a brief physical description, a technical summary, and installation and operating data.
1.1.2 Purpose of Equipment. - The R280 Repeater is used as a wireless repeater.
The repeater can be configured for either the cellular or PCS band of operation. Refer
to Tables 1-2 and 1-3 for the various unit configurations. A typical use of the R280 is
to provide signal coverage in enclosed areas by enhancing signals to and from the
mobile phones.
1.1.3 Physical Description.
- The unit, shown in Figure 3-1, is designed to be mounted
on a flat vertical surface. The unit has two N connectors for antenna connections and
a DIN receptacle for connection to an external DC power source. Alarm relay contact
terminals are provided to connect to remote monitoring equipment.
1.1.4 Electrical Description.
- The PCS version of the unit provides a maximum of
approximately 70 dB of gain for signals in the uplink band in one direction and 70 dB of
gain for signals in the downlink band in the opposite direction. The cellular and SMR
versions of the unit provide a maximum of approximately 75 dB of gain for signals in
the uplink band in one direction and 75 dB of gain for signals in the downlink band in
the opposite direction.
An external AC-DC power source is available to be used to provide power via a DIN
receptacle on the bottom of the unit.
1.2 TECHNICAL SUMMARY
The power requirements, performance characteristics and dimensions and weight of
the R280 Repeater are summarized in Table 1-1.