Campbell-scientific Wireless Sensor Network (CWB100, CWS220, and CWS90 Uživatelský manuál stáhnout pdf (Strana 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

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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Campbell-scientific Wireless Sensor Network (CWB100, CWS220, and CWS90 Uživatelský manuál Strana 16