Side-by-side
Flexnet Gateway vs GS-20 Underground Sensor
Spec comparison for two products on Aviation Souk. Both compete in perimeter-security.
perimeter-security
Flexnet Gateway
by exensor
Dual-radio base station and repeater linking Flexnet sensor fields to C2 over 10-15 km long-range or 3G/4G/Satcom backhaul.
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 | Flexnet Gateway | GS-20 Underground Sensor |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 2 | 0 |
Specs
Technical specifications.
| Spec | Flexnet Gateway | GS-20 Underground Sensor |
|---|---|---|
| Roles | Base station, repeater (relay), or mobile base | — |
| Short-range radio (to sensors) | 1 km mesh network, 0.5 W output | — |
| Long-range radio (gateway-to-gateway) | Up to 15 km, 10 W output; extended range via several Gateways in repeater mode | — |
| Backhaul | USB to backbone; 3G/4G modem, Satcom, TCP/IP compatible | — |
| Autonomous operation | Deployable as autonomous base without a computer; stores UGS data for later retrieval; system can operate unattended for months | — |
| Battery life | 30 days built-in; external battery, solar panel or fuel cell compatible | 1+ year (deployment 3 months to 1 year or longer depending on configuration) |
| Encryption | AES-256; data storage and silent-mode capacity | — |
| Dimensions | 115 x 82 x 170 mm | 6.5 x 3 x 3 in |
| Weight | 3.2 kg | — |
| Positioning / anti-tamper | GPS self-localisation; anti-tamper functionality | — |
| 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 | — | Built-in 5 W VHF, programmable RF output power, strong foliage penetration |
| Radio range | — | Up to 35 miles line-of-sight |
| Alarm codes | — | Up to 15 unique |
| Sensor address range | — | 1-9999 |
| Power | — | 8-20 VDC |
| 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 |
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