User's Manual
Introduction
RFI-148 & RFI-900 High Output Power Paging Transmitters User Manual Page 7 of 134
1. Introduction
The RFI-148 and RFI-900 are high power output paging transmitters operating in the VHF and UHF band,
respectively.
RFI-148: VHF band operation (138 MHz –
174 MHz) with 2.5 – 6 MHz switching
bandwidth
RFI-900: UHF band operation (929 MHz –
932 MHz) with 3 MHz switching bandwidth
Up to 250 W (54 dBm) maximum transmit
power. Software limited to 110 W (50.4 dBm)
maximum transmit power for Canadian
release.
Compatible with:
• POCSAG 512, 1200, 2400 bps (2-level
FSK).
• FLEX 1600 (2-level FSK), 3200 (2- or 4-
level FSK), 6400 bps (4-level FSK).
Windows GUI for configuration and
diagnostics over serial or network (Cruise
Control).
SNMP diagnostics.
TNPP and PET/TAP support (decoder) over
serial or network.
POCSAG encoder with in-built deployment
test and modulation self-test feature.
DSP precision modulation.
Integrated isolator.
RF diagnostics port for in-rack receiver.
Remote firmware update capability.
Software selectable frequency offset.
Adjustable absolute delay correction.
Hardware alarm outputs.
Front panel indicators for power output and
diagnostics.
High frequency stability and external reference
option.