T-ASJ10 GNSS spoofing and jamming security device

GNSS anti-interference security protection solution

The T-ASJ10 GNSS spoofing and jamming security device utilizes advanced anti-spoofing and jamming technology to effectively detect and identify spoofing jamming signals, quickly shutting down abnormal signals and isolating them to eliminate the effects of spoofing and jamming. The T-ASJ10 antenna features a high-gain, wide-pattern beam for more stable wide-angle circular polarization performance. A multi-feedback design ensures a stable phase center and ensures multi-system tracking accuracy. The antenna's LNA exhibits excellent out-of-band rejection, suppressing unwanted electromagnetic interference and providing a stable and reliable GNSS signal. It also effectively mitigates the risk of receiver lock loss in complex electromagnetic environments, such as urban areas and base stations. The device utilizes a redundant power supply for enhanced reliability, a screen that displays extensive system information, and a dual-color LED that intuitively displays various warning messages.

Applicable fields: power transmission, power generation, substation, finance and securities, communications, transportation, national defense, etc.

Important Features

  • GNSS firewall function provides a security barrier in complex electromagnetic environments
  • Quickly locate deceptive and jamming signal types
  • Highly sensitive GNSS concurrent reception and detection adapt to harsh global environments
  • Can concurrently receive BDS, GPS, GLONASS, Galileo, QZSS
  • Supports signal deception, interference, antenna short circuit, open circuit alarm and indication
  • Can accurately measure the interference signal strength to provide accurate judgment

System Block Diagram

Important Features

ParameterIndex
Signal input frequencySupports L1 band BDS, GPS, GLONASS, Galileo and QZSS
Receive sensitivity-147dBm
Tracking sensitivity-162dBm
Capture timeCold start <28s
Hot start <1s
Recapture <1s
Protection signal frequencyL1 band BDS, GPS
Spoofing signal detection sensitivity≤ -133dBm
Deception signal protection capabilityAnti-forwarding, generation, and intrusion deception
Anti-interference abilityAnti-pulse interference and suppression interference
Alarm response timeDeception response time ≤ 5s, interference response time ≤ 3s
Timing status recovery time≤ 5s
Front panelDisplays year, month, day, hour, minute, and second, GPS, Beidou satellite deception and interference status, two-way power supply status, and antenna open-circuit and short-circuit status.
Rear panelDual power inputs and independent control switches, 4 dry contact alarm outputs, two network remote monitoring interfaces, 1 GPS signal input and 2 outputs, 1 Beidou signal input and 2 outputs.
Physical and environmental parameters
size447×44×370mm
power supplyRedundant 220V ± 20% 47Hz ~ 63Hz
Working temperature-10 ~ +55°C (host) -40 ~ +75°C (antenna)
Storage temperature-45°C ~ +85°C
humidity95% non-condensing
Power consumption30W
Weight3Kg
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