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CRVW3 3-Channel Vibrating-Wire Datalogger
12
Data Transmission
Error Detection:
32-bit CRC, retransmit on error
Data Encryption:
Proprietary spread spectrum technology
Link Throughput:
115.2 kbps, max
Average Additional
Current
Transmit:
650 mA (@12 Vdc)
Receive:
40 mA (@12 Vdc)
Idle:
15 mA (@12 Vdc)
Sleep:
6 mA (@12 Vdc)
Radio Repeater:
Devices with the –RF451 option can be
setup as a radio repeater
Antenna Connector:
Reverse Polarity SMA (RPSMA)
RF407, RF412, RF427, and RF422 Radio Options
RF407
RF412
RF427
RF422
Radio Type
Frequency Hopping Spread Spectrum (FHSS)
SRD860, LBT +
AFA
Frequency
902 to 928 MHz 915 to 928 MHz
902-907 MHz,
916-928 MHz
863 to 870 MHz
Transmit Power Output
1
5 to 250 mW
2 to 25 mW
Channel Capacity
Eight 25-channel
hop sequences
sharing 64
available
channels
Eight 25-channel
hop sequences
sharing 31
available
channels
Eight 25-channel
hop sequences
sharing 43
available
channels
Ten 30-channel hop
sequences
2
Receiver Sensitivity
–101 dBm
–106 dBm
RF Data Rate
200 kbps
10 kbps
Average Additional
Current Contribution at
12 Vdc
Transmit
45 mA
20 mA
Idle On
12 mA
9.5 mA
Idle 0.5 sec Power Mode
4 mA
3.5 mA
Idle 1 sec Power Mode
3 mA
2.5 mA
Idle 4 sec Power Mode
1.5 mA
1.5 mA
Antenna Connector:
Reverse Polarity SMA (RPSMA)
1
Software selectable
2
30 channels (default), software configurable to meet local regulations; 10 sequences for reducing interference through
channel hop
Содержание CRVW3
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