T200 GNSS Synchronous Clock Module
Learn about our GNSS Disciplined Oven-Controlled Crystal Oscillators
The T200 GNSS Synchronous Clock Module is a highly integrated time and frequency module that integrates a high-stability crystal oscillator and GNSS receiver, outputting precise and stable 10MHz frequency signals and 1PPS time signals. The module boasts ultra-low phase noise, excellent timekeeping capabilities, and a wide operating temperature range (-20°C to +70°C), making it suitable for use in complex environments such as vehicles, aircraft, and ships. Using co-frequency phase shifting technology, the module improves crystal oscillator control accuracy, enabling it to autonomously generate stable time and frequency signals even when satellite signals are lost, ensuring system operation. Its high reliability and compact design meet diverse high-precision timing requirements.
Applicable fields: national defense, communications, navigation, meteorology, measurement, broadcasting and television, industrial automation

Important Features
- Built-in imported high-performance double-slot constant temperature crystal oscillator
- Automatically calibrate crystal oscillator frequency using GPS and BeiDou
- Flexible selection of various GNSS receivers
- Daily average accuracy <1E-12
- Maintaining accuracy (24 hours): <10us
- Excellent long-term and short-term stability
Important Features
Product Features | Specification name | Indicators and parameters |
---|---|---|
Power supply voltage (PIN5) | Supply voltage | 12VDC Vcc±5% |
Startup power consumption | ≤5.0W (duration <90s) | |
Steady-state power consumption | ≤2.0W (within 3 minutes) | |
GNSS reference input (J2) | GNSS reception type | BD/GPS, antenna feed +5VDC |
Working Mode | Dual Mode | |
Operating frequency band | BD B1;GPS L1 | |
Starting time | <40s (cold start); <25s (warm start) | |
Positioning accuracy | <10m (horizontal); <20m (elevation) | |
Sensitivity | >-144dBm (capture); >-148dBm (tracking) | |
10MHz output (PIN3) | Frequency accuracy | <1E-12, 24h RMS after 24h power-on |
Frequency stability | <5E-12@1s;<1E-11@10s | |
Output waveform | Sine wave | |
Output power | 11±2dBm (load 50Ω) | |
Phase noise | 10Hz <-130dBc/Hz;100Hz <-145dBc/Hz;1KHz <-152dBc/Hz;≥10KHz <-155dBc/Hz | |
1PPS pulse output (PIN1) | Output Level | LVTTL(3.3V) |
Pulse width | 100ms | |
Rise/Fall Time | <5.0ns | |
Timing accuracy | <30ns RMS (after 24h locking) | |
Timekeeping accuracy | <10us@24h locked after 24 hours | |
IRIG-B time code output | DC B code DCLS | Interface J8, high level 3.3V, low level 0~0.4V |
Lock indication (PIN3) | Lock status level output | <0.5V |
Unlocked state level output | 3.3V | |
Environmental temperature | Working temperature | -40℃ → +70℃ |
Storage temperature | -55℃ → +85℃ | |
Serial communication output | Baud rate/data bits/parity/stop bits | 57600, 8, None, 1 |
Typical phase noise

Frequency stability typical value
