Side-by-side
GP-Probe DIN L1 vs VersaPNT Assured Positioning, Navigation & Timing Unit
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
VersaPNT Assured Positioning, Navigation & Timing Unit
by safran-trusted-4d
Compact rugged GNSS + inertial sensor-fusion unit — navigation system, master clock and NTP/PTP time server in one 1 kg IP65 box
| Cost of ownership | GP-Probe DIN L1 | VersaPNT Assured Positioning, Navigation & Timing Unit |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 8 | 5 |
Specs
Technical specifications.
| Spec | GP-Probe DIN L1 | VersaPNT Assured Positioning, Navigation & Timing Unit |
|---|---|---|
| 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 | — |
| 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 | — |
| Sensor fusion | — | FlexFusion engine combining GNSS + internal tactical-grade MEMS IMU + precision oscillator; external IMU and alternative-navigation inputs supported |
| GNSS | — | 72-channel L1 receiver, multi-constellation capability; SMA input with +5 VDC antenna feed; AJAS anti-jam antenna compatible |
| Oscillator options | — | OCXO, high-performance OCXO, mRO-50 miniature rubidium |
| 1PPS accuracy to UTC (locked) | — | +/-50 ns; frequency accuracy 5x10^-12 (OCXO) to 1x10^-12 (mRO-50) averaged over 24h |
| Holdover 1PPS drift (mRO-50) | — | 0.2 us @ 4 h, 1.5 us @ 24 h, 20 us @ 7 days; (OCXO): 3 us @ 4 h, 40 us @ 24 h |
| Position accuracy | — | 2.5 m RMS horizontal, 5.0 m RMS vertical (GPS L1, typical); velocity +/-0.05 m/s; heading <0.2 deg RMS with GPS; 400 Hz nav output rate |
| Operational readiness (hot start) | — | 1 ms UTC accuracy in 60 s, 1 us in 200 s |
| Timing I/O | — | 1PPS, configurable pulses to 10 MHz, IRIG DCLS (A/B/E/G, NASA-36), HaveQuick, NMEA 0183 over RS-232/RS-485, 10 MHz sine (SMA) |
| Network | — | NTP v2/v3/v4 server, PTP IEEE 1588 v1/v2 master, dual 10/100/1000bT; SNMP v2/v3, JSON RPC, HTTPS web management |
| GNSS jamming/spoofing detection | — | optional embedded |
| Power | — | 10-32 VDC, <25 W typical (OCXO), 0.4 W standby; size 147.3 x 127.5 x 63.0 mm VITA 75; weight 1.0 kg |
| Environment | — | -40 to +71 C operating (OCXO; -10 to +45 C mRO-50), IP65, MIL-STD-810G shock/vibration, MIL-STD-461F EMI/EMC, 45,000 ft altitude |
| Ordering / variants | — | Oscillator: OCXO / high-performance OCXO / mRO-50 mini-rubidium (rugged low-phase-noise OCXO option for high-vibration platforms); optional internal option board for additional RS-232/RS-485/DCLS interfaces; optional embedded jamming/spoofing detection; optional VICTORY interface; external IMU input. SAASM and M-Code receiver variants are export-controlled (authorised government users only) and excluded from this listing. |
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 →