Hunan Shutai Information Technology Co., Ltd

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Time synchronization security protection and isolation device

  • Product Model:TQ9601
  • Time Display:
  • Time Selection:
  • Power Supply:DC 5V/2A

Contact Info: +86- (0)731 88761671

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  • Satellite signal security isolation device Satellite signal security isolation device

    Satellite signal security isolation device

Product Features


I. In-Situ Reinforcement Function

1. In-Situ Installation –  The original satellite timing system is not replaced; in-situ installation provides immediate timing security reinforcement;

2. Seamless Transition – The original timing system remains unaware of the change, seamlessly switching its time reference from GPS to BeiDou;

3. Timing Reinforcement – When satellite navigation signals are denied, it independently provides uninterrupted timing services to the existing BDS/GPS timing system;


II. Signal Anomaly Monitoring

1. Real-time Monitoring –  Monitors the quality of received satellite navigation signals 24/7, analyzing the integrity and availability of its timing services;

2. Timely Warning – When navigation satellites are unavailable or their quality degrades (e.g., due to interference or amplification), warnings are provided via indicator lights and standard data;

3. Early Warning – Provides customers with advance notice and time to take action before declining or denied satellite navigation signals affect the existing GPS timing system;


III. Security Isolation Function

1. Signal Isolation –  Immediately isolates signals from unavailable satellites (e.g., satellite malfunctions, spoofing interference);

2. System Isolation – Isolates the GPS system from the existing GPS timing system without affecting its timing services;


IV. Anti-Interference and Anti-Spoofing Function

1. Anti-Jamming –  Maintains secure signal output for at least 1 hour under full-band jamming conditions; secure signal output is unaffected under non-BDS frequency jamming;

2. Anti-Spoofing – Secure signal output is unaffected by GPS spoofing signals, including generative and retransmission spoofing interference;


Anti-Spoofing and Anti-Interference Indicators

Protected Signal Frequency Band

BDS B11, B1C, GPS L1C/A (other constellations and frequency bands optional)

Spoofing Signal Detection Sensitivity

≤ -128dBm

Number of Anti-Spoofing Signals

≥32

Spoofing Signal Code Phase Detection Capability

≥0.5 chip

Spoofing Protection Capability

Protects against repeater, generative, and intrusion-type spoofing

Anti-Interference Capability

Anti-narrowband interference, Anti-suppression interference

Spoofing Response Time

Alarm time ≤ 10s, Alarm clear time ≤ 4s

 

Physical Dimensions & Electrical Characteristics

Power Supply

Dual power supply with hot standby (220V, 110V AC/DC auto-adaptive)

Dimensions

Standard 1U 19-inch rack-mountable chassis

Operating Temperature

-30°C to 70°C

Power Consumption

≤ 40W

Weight

≤ 5kg

 

Signal Reinforcement Indicators

Reinforced Frequencies


BDS B11, B1C
GPS L1C/A
(Other constellations and frequencies can be optionally configured)

 

Reinforced Signal Channels

 

GPS L1C/A: 8 channels
BDS B11: 12 channels

Reinforced Signal Power

-130 dBm to -70 dBm

Reinforced Signal Time Accuracy

< 100 ns

Reinforced Signal Holdover Accuracy

500 ns @ 60 min (Standard)


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