105U-G Wireless Gateway
User Manual
Page 129
© September 2004
Radio Transceiver (105U)
Single channel
synthesised
Direct frequency modulation
Frequency
405 - 490 MHz
220 – 235MHz
869.4 – 869.65 MHz
12.5 kHz, 10 - 500 mW
25 kHz, 5W
250KHz, 500mW
Spurious emissions
RX - <-57 dBm
TX - <-37 dBm
Frequency Stability
+/- 1.0 kHz
Receiver Sensitivity
0.4uV at 12dB SINAD
Signal detect / RSSI
-120 to -80 dBm
Expected line-of-sight range
400 – 500MHz
2 km @ 10mW EIRP
5 km @ 100mW EIRP
10 km @ 500 mW EIRP
Expected line-of-sight range
220 MHz
25 km @ 4W EIRP
40 km @ 10W EIRP
Expected line-of-sight range
869 MHz
5 km @ 500mW EIRP
R
ANGE MAY BE EXTENDED BY UP TO
5
INTERMEDIATE MODULES AS
REPEATERS
Antenna Connector
Female coaxial
Protected by gas discharge surge
arrester (but not the 869MHz
model).
Serial Ports
RS232 Port
DB9 male DCE
RTS/CTS hardware signals provided
RS485 Port
2 pin terminal block
Typical distance 1 - 2 km
Data rate (bit/sec) -
configurable
50, 75, 150, 300, 600, 1200,
2400, 4800, 9600, 19200
Byte format
7 or 8 data bits
Stop/start/parity bits configurable
Profibus Port
RS485 Port
Optically isolated
Autobaud detection 9.6 Kbit/sec –
12Mbit/sec
Ethernet Port
RJ45
Transformer isolated
10/100 Mbit/sec
Digital I/O
Eight on-board I/O
3000V surge protection
input, voltage free contact
output, FET 30VDC 500mA