Side-by-side
GP-Probe DIN L1 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 DIN L1
by gpspatron
In-line DIN-rail GNSS interference detector that isolates receivers and time servers the moment spoofing or jamming is detected
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 DIN L1 | 8230AJ GPS/GNSS Anti-Jam Outdoor Antenna |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 8 | 2 |
Specs
Technical specifications.
| Spec | GP-Probe DIN L1 | 8230AJ GPS/GNSS Anti-Jam Outdoor Antenna |
|---|---|---|
| GNSS signals monitored | GPS L1 C/A; QZSS L1 C/A, L1S; GLONASS L1OF; BeiDou B1I/B1C; Galileo E1B/C; SBAS L1 C/A (WAAS, EGNOS, MSAS, GAGAN) | — |
| Traceable GNSS | Any combination of constellations | — |
| GNSS RF channels | 1 (interference/anomaly detection and signal quality analysis) | — |
| Detected threat types | Interference in 60 MHz band; anomalies from asynchronous spoofing, high-power synchronous spoofing, and synchronous spoofing after parameter drift begins | — |
| RF spectrum monitoring | 65 MHz basic RF spectrum monitoring feature | — |
| Threat response | GNSS and PPS outputs disabled on detection; embedded jammer (BL option) blocks fake signals of any power | — |
| Embedded GNSS jammer output power | −50 dBm RMS | — |
| Isolation level, closed channel | > 60 dB | — |
| 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 input | SMA(F), 50 Ω, 3.3 VDC bias, 50 mA max, short-circuit and disconnected-antenna fault detection | — |
| Network interface | 10/100BASE-T RJ45; HTTPS to GP-Cloud; IPv4/DHCP | — |
| Serial interface | RS-232 HOST port for external equipment control (Lua scripting) | — |
| Relay output | 1 Form C (SPDT), 2 A, 60 W/125 VA, 220 VDC/250 VAC | — |
| Operating system | FreeRTOS real-time OS | — |
| Power supply | 12–48 VDC | — |
| Power consumption | < 3.5 W | — |
| Mounting | DIN rail; optional adapter for 19-inch racks | L-bracket + hose clamps included (pipe/pole); optional flat-roof mount (8213) and rugged post mount (ANT-KT); drop-in replacement for Model 8230 |
| Housing | DIN rail housing, polyamide with metal foot catch | — |
| Dimensions | 139.4 × 118 × 25 mm | — |
| Weight | 0.5 kg | — |
| Operating temperature | −20 to +50 °C | — |
| Humidity | 0–90% RH non-condensing @ 40 °C | — |
| ESD protection | ±15 kV air discharge (IEC 61000-4-2) on RF, PPS and serial ports | — |
| 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 |
| 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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