Varec RS-232, Installation And Operation Manual

Page: 37 / 42

Wireless Field Transceiver
Varec, Inc. 29
8 Specifications
8.1 General
8.2 Transmit
8.3 Receive
Item Specification
Data Port RS-232 and RS-485
Dimensions See Figure 2-1 on page 7 for details
Power • 110/120 VAC (AC Version)
• 30 - 65 VAC and 6 - 90 VDC (Low Voltage Version)
Antenna • N-type female connector (External antenna required)
• SMA connector
FCC Identifier KNY-42182112519
IC Identifier 2329B-FGR2
Table 8-1: General
Item Specification
Frequency 902 to 928 MHz
Output Power 10 mW to 1 W (+30 dBm). See RF transmit power settings.
Range 60 miles Line of Sight, 0 db antenna gain
Modulation Spread spectrum GSK, 120 or 170 Kbps
Spreading method Frequency hopping
Occupied bandwidth 230 kHz
Table 8-2: Transmit
Item Specification
Frequency 902 to 928 MHz
Sensitivity • -110 dBm at 10-4 bit error rate
• -108 dBm at 10-6 bit error rate
Selectivity • 20 dB at f
c
± 115 kHz
• 60 dB at f
c
± 145 kHz
System gain 140 dB
Table 8-3: Receive