User Manual

Introduction
RFI-9256 Radio Modem User Manual Page 5 of 96
1. Introduction
The RFI-9256 is a frequency-hopping spread spectrum (FHSS) radio modem operating in the international
900MHz ISM band. It has been type approved for operation in Australia (915-928MHz), New Zealand (921-
929MHz), and countries regulated by the FCC (902-928MHz).
The RFI-9256 is suitable for many applications including point-to-point, point-to-multipoint, and SCADA
protocol networks.
1.1 OEM Applications
An RFI-9256 OEM module is available for OEM applications.
When used in modular applications, the device where the module is fitted will be required to display on the
outside and in a clearly visible area the notice: “Contains FCC ID: P5M9256OEM”
Under FCC regulations, use of certain antennas may require a Class II permissive change from the FCC.
Please contact RF Innovations for more information.
1.2 Product Overview
 CRC error detection and recovery via
retries
 Up to 30km point-to-point
 Dual RS-232 serial ports
 User selectable interface speeds between
110 and 115200bps
 1 W (30dBm) RF output power
 Programmable I/O for SCADA
applications
 Front panel indicators for RSSI, TX
power, and status
 Can be installed and commissioned
without test equipment.
 Sensitivity <-108dBm for BER 1 part in
10-4
 Operating voltage 9 to 30VDC
 Operates at -10ºC to +60ºC with 95% non-
condensing humidity
 Protocol routing modes.