Seismic data channel(s): 3

ADC resolution: 32 bits

Sample intervals: 0.25, 0.5, 1, 2, 4, 8, 10, 20 milliseconds

Preamplifier gain: 0dB to 36 dB in 6 dB steps

Anti-alias filter: 206.5 Hz @ 2ms (82.6% of Nyquist) - Linear Phase

DC blocking filter: DC Removed

GNSS mode: Support GPS, BEIDOU, Glonass, single or double mode operation

Operating temperature: -40℃ ~ +70℃

Waterproof: IP67

Physical Size: 136mm*120.7mm*88mm(w/o external 4G antenna)

Weight: 1.4Kg

Data Storage: 16 GB（extensible）

Operating Life@25℃: 60h in 4G real-time transmission@2ms;

25 days working offline@2ms;

Data transmission mode: 4G mode (4G, USB, WiFi);

Ethernet mode: (Ethernet, USB, WiFi)

External power supply: 7~ 15V DC (single supply)

Charging Temperature Range: +3˚C ~ +45˚C

Recharge Time: < 7 h

(@ 2ms sample interval, 31.25 Hz, 25°C, unless otherwise indicated)

Maximum Input Signal: ±2.5Vpeak @ Gain 0dB

Equivalent Input Noise: 0.18uV@2ms 18dB

Total Harmonic Distortion: ≤0.0002% @0dB

Instantaneous dynamic range: 128dB

Common Mode Rejection: >100dB

Gain Accuracy: ≤0.5%

GNSS Time Standard: 1ppm

Timing Accuracy: ±10μs, GPS Disciplined

Cross Feed: < -110dB

System Dynamic Range: 145dB

Frequency Response: 0~1652Hz