Side-by-side
Pathfinder Receiver (Base Station Kit) vs GS-21 Underground Sensor
Spec comparison for two products on Aviation Souk. Both compete in perimeter-security.
perimeter-security
Pathfinder Receiver (Base Station Kit)
by ara
MIL-STD-810-rated base station that turns Pathfinder ground sensors into a live intrusion-alert network
perimeter-security
GS-21 Underground Sensor
by vortex-systems
Buried UGS with external seismic line-string support for extended pedestrian detection along a perimeter
| Cost of ownership | Pathfinder Receiver (Base Station Kit) | GS-21 Underground Sensor |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 2 | 0 |
Specs
Technical specifications.
| Spec | Pathfinder Receiver (Base Station Kit) | GS-21 Underground Sensor |
|---|---|---|
| Dimensions (H x D x W) | 2.1 x 7.2 x 8.4 in | — |
| Weight | 3.76 lb | — |
| Environmental rating | MIL-STD-810: Method 506.4 Procedure I (rain); Method 510.4 Procedures I and II (blowing dust and sand) | — |
| Operating temperature | -32 to +49 C (-25 to +120 F) | — |
| Storage temperature | -33 to +71 C (-28 to +160 F) | — |
| Connectors | 2x MIL-style bayonet (power, RS-232 serial); 1x waterproof RJ-45 Ethernet; 1x TNC female antenna | — |
| Power | 100-240 VAC, 47-63 Hz line power providing 12 VDC | — |
| Sensor link range | typically up to 10 km, terrain dependent; elevating the receiver antenna greatly increases effective range | — |
| Kit contents | Base station with Pathfinder software installed, waterproof Ethernet receiver, antenna, 10 ft antenna cable, antenna mounting hardware, installation tools, user manual, quick-reference cards | — |
| Standard sensor pairing | Kits normally include 60 Mini or 30 XL sensors; individual quantities customisable and expandable | — |
| Deployment | User-friendly, ready to use in minutes; no internet, gateways or relay infrastructure required | — |
| Export classification | ECCN 6A999.a under US Export Administration Regulations; export licence may be required depending on destination, user and end use | — |
| Sensing modalities | — | External seismic line strings (pedestrian) + internal magnetic sensor (vehicle presence and travel direction) |
| External sensor inputs | — | PIR (pedestrian/vehicle presence + travel direction) and contact-closure |
| Radio | — | Built-in 5 W VHF, strong foliage penetration |
| Radio range | — | Up to 35 miles line-of-sight |
| Battery life | — | 1+ year |
| Output | — | Mechanical relay to trigger external devices (cameras, lights, sirens) |
| Security | — | Tamper switch |
| Timing | — | Real-time clock; programmable self-test messages and scheduled access windows |
| Compatibility | — | Legacy Vortex and Monitron systems |
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