Data Memory

32 MB

Storage Capacity

> 1.04 M Arrays

Communication Type

USB, RS-232

Communication Speed

115.2 kBits/second

Communication Parameters

8,N,1 (data bits, parity, stop bits)

Scan Interval   

10-1440 Minutes

USB Driver

FTDI

Power Supply

Cellular Gateway: Battery pack, or 9‑24V DC external
Local Gateway: D cell, alkaline or lithium (2x), or 12V external

Operating Time

Please contact geokon

Operating Temperature

−40 °C to +85 °C

(L×W×H)

Cellular Gateway: 160 × 260 × 91 mm
Local Gateway: 120 × 122 × 91 mm

Data Memory

32 MB

Storage Capacity

Varies by model

Trueness

0.082 Hz

Frequency Precision

±0.146Hz (99% CI)

Frequency Resolution

±0.002 Hz

Thermistor Accuracy

External thermistor: ±0.5 °C
On-board sensor: ±0.4 °C

Thermistor Resolution

External thermistor: ±0.032 °C
On-board sensor: ±0.1 °C

Scan Interval    

10-1440 Minutes

Power Supply

D cell, Alkaline or Lithium (2x), or 12V external

Operating Temperature

−40 °C to +85 °C

VW Excitation Peak Current

25 mA (max)

VW Frequency Range

400 Hz - 5000 Hz

Sweep/Read Duration/Channel

< 500 mS

Battery Life

Refer to Section 4.2

Dimensions (L×W×H)

120 × 122 × 91 mm (single-channel)
160 × 260 × 91 mm (four-channel)
180 × 280 × 101 mm (eight-channel)

Vibrating Wire Channel
Lightning Protection

Gas discharge tube
High-speed surge protector
Transient voltage suppression diode

Thermistor Channel

Gas discharge tube
Inductor (lower resistance than high‑speed surge protectors)
Transient voltage suppression diode

Network

North America

Brazil

Australia/Peru

Radio Frequency, ISM Band

902-928 MHz

   902‑906, 915‑928 MHz   

915‑928 MHz

Topology

Star/Mesh/Cluster Tree (Automatic)   

Radio Technology

FHSS

Channels

12

Range (Indoor/Urban)¹
Range (Outdoor)¹

1.22 km (305 km x 4 hops)
26 km (6.5 km x 4 hops)

Transmit Power   

250 mW

Receiver Sensitivity

−101 dBm

Antenna (Half‑Wave Dipole)

2.1 dBi

¹Line-of-sight, maximum 4 hops

Precision

±26.9 [0.0075°]

Arcseconds [Degrees]

Nonlinearity

±0.005° across ±30° range (0.09 mm/m)

Arcseconds [Degrees]

Temperature‑Dependent Uncertainty

68.8 [0.019°]

Arcseconds [Degrees ] / °C

Angle Resolution

0.9 [0.00025°]

Arcseconds [Degrees]

Tilt Range

±90°

Degrees

Axes

2