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4 1892 1335 - Orion Radio Modem Operating Instructions - v1.3 / Aug 2006
OPTIONS WHEN ORDERING
Many options are user-programmable, but the options below must be specified when
ordering so that the correct version of the Orion can be supplied:
OEM PCB version
The Orion is available uncased as a PCB for mounting in OEM equipment.
In/Out capability
The Orion is also available as a straight radio modem without the telemetry in/out
capability.
Frequency band of operation
The Orion can be supplied to operate in the VHF, UHF and higher (e.g. 868MHz) bands.
The radio module in each Orion is built to operate over a certain range of frequencies (its
switching bandwidth) under software control, for example 450-458MHz. Consult Sales at
Wood & Douglas for available frequency bands.
RF Power
The RF power can be chosen from very low powers up to 5W, depending on the radio
module.
Data rate
The Orion can operate at up to 19,200 baud maximum. If a lower data rate, up to 9,600
baud, is acceptable, a version which uses less radio spectrum (12.5kHz rather than
25kHz) can be ordered. (Transmitters and receivers must match.)
RSSI output
Analogue output 1 can be configured as a Received Signal Strength Indication (RSSI)
output.
Serial port mode
The serial port can be configured for RS232, RS422 or RS485 protocols. Serial baud rate
can be adjusted up to 38,400 baud maximum, hardware flow-controlled using RTS/CTS.