Campbell Scientific Wireless Sensor Network (CWB100, CWS220, and CWS900) - Manual (Page 16)

Wireless Sensor Network
2. Specifications
2.1 Wireless Sensor Network Radio
The CWB100 and CWS sensors use a 25 mW FHSS radio. Three models are
available depending on location of usage. Table 2.1-1 shows model numbers
and locations used for all models.
2.1.1 Electrical
TABLE 2.1-1. CWS FHSS Radio Specifications
Model
Where Used
Frequency FHSS
Channels
CWSxxx, CWB100
CWSxxxA, CWB100A
U.S. Canada,
Australia, and
New Zealand
902-928 MHz 50
CWSxxxE, CWB100E Europe 868 MHz 16
Transmitter Power Output: 25 mW (+14 dBm)
Receiver Sensitivity: -110 dBm (0.1% Frame Error rate)
Current Drain
Standby:
Receiving:
Transmitting:
Average operating current w/1 second
access time:
3
μA
18 mA typical (full run)
45 mA
15
μA
Operating Temperature Range: -25° to +50°C (-13° F to + 122°F)
Additional Features
GFSK modulation
Data interleaving
Forward Error Correction BCH (31,21)
Data scrambling
Quality of Service management RSSI
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