Side-by-side
Surveyor Vehicle Identification Sensor vs GS-20 Underground Sensor
Spec comparison for two products on Aviation Souk. Both compete in perimeter-security.

perimeter-security
Surveyor Vehicle Identification Sensor
by exensor
Seismic/acoustic/magnetic fusion sensor that classifies and identifies vehicles by type against pre-recorded signatures.

perimeter-security
GS-20 Underground Sensor
by vortex-systems
Buried seismic and magnetometer intrusion sensor with 5-Watt VHF reporting up to 35 miles line-of-sight
| Cost of ownership | Surveyor Vehicle Identification Sensor | GS-20 Underground Sensor |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 2 | 0 |
Specs
Technical specifications.
| Spec | Surveyor Vehicle Identification Sensor | GS-20 Underground Sensor |
|---|---|---|
| Sensing modality | Fusion of seismic, acoustic and magnetic sensor data | — |
| Capability | Classification (light/medium/heavy, tracked/wheeled) and identification against pre-recorded signatures; reports type, speed, direction | — |
| Main unit dimensions | 75 x 120 x 55 mm | — |
| Probe dimensions | 137 x 47 x 38 mm | — |
| Main unit weight | 0.9 kg | — |
| Probe weight | 0.4 kg | — |
| External probe and cable weight | 1.4 kg | — |
| Battery endurance | 5 days rechargeable; external battery connectable | — |
| Radio | Flexnet mesh network | Built-in 5 W VHF, programmable RF output power, strong foliage penetration |
| Positioning / anti-tamper | GPS self-location; anti-tampering and lift protection | — |
| Operating temperature | -32 to +71 degC | — |
| Environmental standard | MIL-STD-810 | — |
| EMC standard | MIL-STD-461 | — |
| Sensing modalities | — | Internal seismic (pedestrian) + internal magnetometer (vehicle presence and travel direction) |
| External sensor inputs | — | PIR and contact-closure via configurable external connector |
| Sensor fusion | — | Up to 5 sensors |
| Radio range | — | Up to 35 miles line-of-sight |
| Alarm codes | — | Up to 15 unique |
| Sensor address range | — | 1-9999 |
| Power | — | 8-20 VDC |
| Battery life | — | 1+ year (deployment 3 months to 1 year or longer depending on configuration) |
| Dimensions | — | 6.5 x 3 x 3 in |
| Enclosure | — | Watertight, corrosion-proof fiberglass-reinforced polyester with silicone foam gasket |
| Deployment | — | Buried (antenna only above ground) or above-ground |
| Output | — | Mechanical relay to trigger external devices (cameras, lights, sirens) |
| Security | — | Internal tamper switch |
| Timing | — | Real-time clock; programmable self-test messages and scheduled access windows |
| Networking | — | Stand-alone or networked; Coyote/Cub relay mode; compatible with legacy Vortex and Monitron systems |
Decide
Ask Aviation Souk to pick for your tender.
The AI weighs both products against your specific brief — airport, certifications, lead time, budget — and tells you which fits.
Ask the AI →