User manual

905U-D Radio Modem User Manual
Man_905D_1.10.doc Page 50
Chapter Five SPECIFICATIONS
General
EMC specification FCC Part 15
EN 300 683
AS 3548
89/336/EEC
Radio specification
FCC Part 15.427
AS 4268.2
RFS29 NZ
902 – 928MHz, 1W
915 – 928MHz, 1W
920 – 928MHz, 1W
Housing
110 x 185 x 30mm
DIN rail mount
Powder-coated, extruded
aluminium
Terminal blocks
Removable
Suitable for 12 gauge (2.5sqmm)
conductors
LED indication
OK operation, Serial RX
and TX, Radio RX and
TX, DCD active
Operating Temperature -40 to +55 degrees C
-40 to +70 degrees C
0 – 99% RH non-
condensing
Full performance
Typical performance
Power Supply
Nominal supply
10 to 30VDC
13 to 24VAC
Overvoltage and reverse voltage
protected
Current Drain @ 12VDC
80 mA quiescent
20mA (low power mode)
During transmission 350mA
Current Drain @ 24VDC
50 mA quiescent
15mA (low power mode)
During transmission 250mA
Radio Transceiver
Spread-spectrum, frequency
hopping
100 channels, 16 hop
sets
902 – 928 MHz
Transmit power
1W
USA/Canada 4W ERP
Australia / NZ 1W ERP
Signal detect / RSSI
-120 to -60 dBm