Appendix A. Specifications; Device Specifications; Radio Specifications; Table 9: Device Specifications - Geokon GeoNet 8800 Series Instruction Manual

APPENDIX A. SPECIFICATIONS

A.1 DEVICE SPECIFICATIONS
9:
Measurement Accuracy
Data Memory
Storage Capacity
Temperature Range
Thermistor Accuracy
Thermistor Resolution
Communication Type
Communication
Communication Protocol
Power Supply
Scan Interval
L × W × H

TABLE 9: Device Specifications

A.2 RADIO SPECIFICATIONS
Network 10:
Topology
Radio Technology
Radio Frequency, ISM Band
Channels
Range (Indoor, Urban)
Range (Outdoor)
Transmit Power (International)
Receiver Sensitivity
Antenna (Half-Wave Dipole)

TABLE 10: Radio Specifications

MODEL 8800 SERIES GEONET WIRELESS DATA ACQUISITION NETWORK | SPECIFICATIONS | 23
Node
±0.114Hz F.S. (400-5000 Hz)
32 MB
>1.04Marrays
−40 to +85 °C
0.5 °C
0.032 °C
USB
115.2k,8-N-1
Modbus RTU
D Cell, Alkaline or Lithium (2×)
10-1440 minutes
122 × 120 × 91 mm (4.8" × 4.7" × 3.6") (single channel)
160 × 260 × 91 mm (6.3" × 10.2" × 3.6") (four channel)
180 × 280 × 101 mm (7.1" × 11"× 3.9") (eight channel)
Value
Star/Mesh/Cluster Tree (Automatic)
IEEE 802.15.4 FHSS
902-928 MHz
12
1.22 km (305 m x 4 hops)
26 km (6.5 km x 4 hops)
250 mW
−101 dBm
2.1 dBi
Supervisor
NA
0.4 °C (on-board sensor)
0.1 °C (on-board sensor)
USB/RS-232