Side-by-side
GP-Probe TGE2 vs 8230AJ GPS/GNSS Anti-Jam Outdoor Antenna
Spec comparison for two products on Aviation Souk. Both compete in Air Traffic Control & Navigation Aids.
Air Traffic Control & Navigation Aids
GP-Probe TGE2
by gpspatron
Three-channel GNSS spoofing and jamming detection probe with real-time RF spectrum analysis for timing-critical infrastructure
Air Traffic Control & Navigation Aids
8230AJ GPS/GNSS Anti-Jam Outdoor Antenna
by safran-trusted-4d
Horizon-blocking GNSS timing antenna — 20 dB+ interference rejection against ground-level jammers, IP67, drop-in replacement for standard antennas
| Cost of ownership | GP-Probe TGE2 | 8230AJ GPS/GNSS Anti-Jam Outdoor Antenna |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 7 | 2 |
Specs
Technical specifications.
| Spec | GP-Probe TGE2 | 8230AJ GPS/GNSS Anti-Jam Outdoor Antenna |
|---|---|---|
| GNSS signals monitored | GPS/QZSS L1 C/A; GLONASS L1OF; BeiDou B1; Galileo E1B/C; SBAS L1 C/A (WAAS, EGNOS, MSAS, GAGAN) | — |
| GNSS RF channels | 3 (spatial analysis for synchronous multi-TX spoofing detection) | — |
| Detected threat types | All types of jamming; asynchronous spoofing (1 ch); synchronous spoofing (2 ch); synchronous multiple-TX spoofing (3 ch) | — |
| RF signal analyzer bandwidth | 60 MHz | — |
| RF analyzer frequency range | 1555–1615 MHz | — |
| ADC | 12-bit, 60 MSPS | — |
| Noise figure | 6 dB max | — |
| AGC dynamic range | 122 dB (−31 to +91 dB gain) | — |
| Local oscillator | OCXO, 50 ppb; phase noise −154 dBc/Hz @ 10 kHz | — |
| Measured RF parameters | Power in band per constellation; 128/1024-point power spectrum; 128×509-point spectrogram @ 273 µs | — |
| Recommended antenna spacing | 0.25–5 m | — |
| PPS output accuracy (clear sky) | < ±20 ns RMS to UTC(USNO), typical | — |
| PPS input | SMA(F), 50 Ω TTL-compliant, 1.3–5.5 V | — |
| GNSS antenna inputs | SMA(F), 50 Ω, 3.3 VDC bias, ±15 kV ESD protection (IEC 61000-4-2) | — |
| Network interface | 10/100BASE-T RJ45; HTTPS to GP-Cloud; IPv4/DHCP | — |
| Cellular option | Built-in 3G/4G modem (LTE CAT1), mini-SIM (2FF) | — |
| Serial interfaces | RS-232 and RS-485/RS-422 HOST ports, optically isolated, ±15 kV ESD, Lua-scripted control | — |
| Relay output | 1 Form C (SPDT), 2 A, 60 W/125 VA, 220 VDC/250 VAC | — |
| GP-Blocker port | RS-485, 9600 bps, up to 4 GP-Blockers | — |
| Operating system | FreeRTOS real-time OS | — |
| Power supply | Dual module: 100–240 VAC 50/60 Hz and 18–75 VDC | — |
| Power consumption | < 20 W | — |
| Form factor | 19-inch rack, 1U half-size, 211 × 203 × 44 mm | — |
| Housing | Aluminium, IP20 | — |
| Weight | 1.5 kg | — |
| Operating temperature | 0 to +50 °C | — |
| Humidity | 0–90% RH non-condensing @ 40 °C | — |
| Warranty | 1 year (extended available), 1 year complimentary support | 1-year limited |
| Type | — | active antenna with passive horizon-blocking (anti-jam) reception pattern |
| Antenna pattern | — | 0 dB at zenith; >=15 dB rejection below 30 degrees elevation; 20 dB+ effective interference rejection vs standard antenna |
| Frequency | — | 1559-1606 MHz — GPS L1, GLONASS L1, BeiDou B1, Galileo E1, QZSS L1 |
| Gain | — | 40 dB internal LNA (three-stage, mid-section SAW, tight pre-filter) |
| Out-of-band rejection | — | >50 dB below 1500 MHz and above 1650 MHz |
| Connector | — | N-type female; recommended cable low-loss LMR-400 equivalent |
| Max cable length | — | 125 m (400 ft); 250 m (800 ft) with Model 8227 inline preamplifier |
| Power | — | 2.5-16 V, 19 mA typical, fed by receiver over antenna coax |
| Size | — | 100 mm dia x 101.5 mm H (127.2 mm incl. connector); weight 370 g |
| Enclosure | — | UV-resistant high-temperature polycarbonate radome, Zamak white-metal base; IP67 |
| Temperature range | — | -40 to +85 C |
| Mounting | — | L-bracket + hose clamps included (pipe/pole); optional flat-roof mount (8213) and rugged post mount (ANT-KT); drop-in replacement for Model 8230 |
| Ordering / variants | — | Single model 8230AJ. Accessories: Model 8213 flat-roof antenna mount (ballasted, 39.7 cm dia), Model 8224 antenna splitter, Model 8226 surge suppressor + grounding kit, Model 8227 inline preamplifier, Model 8235 PVC mounting pipe, ANT-KT rugged post mount, standard and plenum-rated cable assemblies, weather-proofing kit. |
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