T220M-2 GNSS Synchronous Clock Module

Learn about our GNSS Disciplined Oven-Controlled Crystal Oscillators

The T220M-2 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): <5us
  • Excellent long-term and short-term stability

Important Features

Functional modulesFunctional modulesIndicator/Description
Output interface10MHz output1-way, SMA interface; waveform: sine wave; output impedance: 50Ω;
Output performanceTaming accuracy≤ 1E-12 (24-hour average)
Punctuality≤ 5us (disconnect after 24 hours of taming)
Short-term stability1S stability: ≤ 3E-12
Phase noise1 Hz≤ -95 dBc/Hz
10 Hz≤ -130 dBc/Hz
100 Hz≤ -145 dBc/Hz
1 kHz≤ -150 dBc/Hz
10 kHz≤ -155 dBc/Hz
Output interface1PPS output1-way, SMA interface; waveform: square wave; output impedance: 51Ω;
High-level voltage3.3V±0.2V
Low-level voltage0V±0.2V
Pulse Width100ms
AlignmentRising edge alignment
Synchronization accuracy< 20ns
Physical parameterssize90 × 55 × 22 mm
Weight110g
Electrical parameterspowered by12V DC
Environmental parametersWorking temperature-20℃~ +70℃
Storage temperature-25℃~ +85℃
humidity95% non-condensing
Power consumptionStartup power consumption< 5W
Working power consumption< 4W
Standard SpecificationsElectromagnetic compatibilityComply with GJB2242-94 "General Specification for Time System Equipment" 3.9.1

Typical phase noise

Frequency stability typical value

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