Oven-Controlled Crystal Oscillator (OCXO) stabilizes the temperature of the quartz crystal resonator via a thermostatic oven, minimizing output frequency drift caused by ambient temperature variations.
Lightweight and compact
Low power consumption
Small size
Wide operating temperature
SA.45 compatible
The AS1630A chip is a single-channel SLIC device with a 3-wire SSI input/output digital interface. It provides all the SLIC, codec, and DTMF detection functions required for a complete analog telephone interface.
The AC1571 is a PLL-based clock generator for 5G base station applications. This chip utilizes fully digital phase-locked loop (PLL) technology to achieve optimal high-frequency, low-phase-noise performance, along with low power consumption and high PSRR.
The TS3000 (4U) is a high-precision time synchronizer that supports dual-mode GPS/Beidou with dual antennas and supports master/slave configurations.
The MOC330 PCI-e timing card supports multiple reference inputs and outputs, allowing for customized combinations to provide high-precision time information for computer systems.
The pain points are concentrated in four major dimensions: accuracy, stability, security, and management. Traditional clock sources lack accuracy and are susceptible to interference
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Strong electromagnetic environments can easily cause satellite timing signals to be interfered with or deceived. Different devices have very different requirements for synchronization accuracy and multi-protocol compatibility is complex.
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Satellite timing is easily obstructed by tunnels, terrain and other environmental interference. The compatibility of multiple devices and multiple protocols is complex, and network delay jitter affects synchronization accuracy.
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Scenarios such as high-frequency trading require extremely high microsecond accuracy. The clocks of distributed system nodes are prone to deviation and network delays affect synchronization consistency.
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Devices are highly heterogeneous and multi-protocol compatibility is complex. Delay jitter and clock drift in a mixed wireless/wired network environment can easily lead to synchronization deviations.
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There are strict requirements for high precision at the nanosecond to microsecond level, while network delay jitter, clock drift and hardware resolution limitations exacerbate synchronization deviations.
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Saisi x Midea | High-Precision NTP Servers Empower Digital Transformation
Amid the deepening 'East Data West Computing' strategy and surging AI computing demands, Midea Group's Gui' an and Nanhai cloud data centers have deployed Saisi's high-precision NTP servers. This enables precise time synchronizati
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Recently, Saisi Electronics, a leading clock synchronization company, has secured the top position in the telecom operator market. It won the 2025 centralized procurement project for time synchronization equipment from China Unicom with the highest overal
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As a domestic leader in the #time synchronization# field, ranging from amusement parks to the lifeline of the nation, Saisi has created over 1,000 industry benchmark cases for critical sectors such as 5G/6G communications, power energy, rail transit, and
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Saisi Global Distributed Data Center PTP Solution: Empowering Alibaba Cloud to Accelerate the Construction of a "Unified Global Cloud Computing Network"
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Recently, the first two trains for Bogotá's first metro line, Line 1, officially rolled off the assembly line and were delivered. As the sole supplier of clock synchronization products and solutions for the line
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oil and gas circle expansion Saisi completes its business layout in the "Big Three Oil Companies" The oil and gas industry, as the "energy backbone" of the social infrastructure sector, is crucial to the overall economic development.
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As Saisi's product competitiveness and reputation have grown, it has gradually established a strong brand and customer base within the industry. In particular, in areas of strength, Saisi's timing and frequency products are increasingly exported
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Saisi x Hangzhou Metro Line 6 | Saisi Time Server Steadily Expands on the "Railway"
Recently, Hangzhou Metro Group Co., Ltd. partnered with Saisi for the Phase I project of Hangzhou Metro Line 6, requesting the company to supply a DCS clock server for the engineering signaling system. The Hangzhou Metro Line 6 project marks another coll
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Saisi's synchronous clock provides all-round support to the Volta Engine Yangtze River Delta Computing Power Center, helping ByteDance's Volta Engine to create a "new universe in the cloud".
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Saisi x Pakistan TV | Saisi clock system accurately assists Pakistan TV's broadcasting!
2023 marks the 10th anniversary of the Belt and Road Initiative and the launch of the China-Pakistan Economic Corridor, a key pilot project under the initiative. The Belt and Road Initiative is of great significance to regional economic development.
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70%
Electric Energy
50%
Transportation Track
1000+
Cooperation Case
100+
R&D Personnel
About Us
Committed To Providing Customized Time And Frequency Benchmarks For All Industries In Society
Since 2013, the company has established over 10 time-frequency product lines, developed more than 100 time-frequency complete machines/systems, and created benchmark customers such as China Mobile in the civilian market, becoming a core supplier in various key fields. In 2015, a number of high-precision time-frequency board cards/modules were finalized
Learn More +For over a decade, we have been continuously building a "time and frequency service network", providing global customers with a full range of time and frequency product services. Currently, Saisi leads the industry in terms of comprehensive market share. It has a large pre-sale and after-sale team as well as a globally leading R&D team, ensuring reliable services and business coverage across four continents around the world.
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May. 21, 2026
New Journey for 6G Trials! Saisi Achieves -170.03dBc@1kHz Breakthrough in 100MHz Signal Phase Noise
Recently, Saisi has made a major breakthrough in its 100MHz Oven Controlled Crystal Oscillator (OCXO). Its measured phase noise at 1kHz offset reaches ≤-170.03dBc/Hz, setting a new performance benchmark for peer-frequency OCXOs and delivering cutting-edge solutions for core sectors including 6G base stations and high-end radars.
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May. 19, 2026
Apr. 09, 2026
Amid the rapid development of new-quality productive forces, artificial intelligence has become the core engine leading the future. The improvement of AI computing power and stable operation of large models rely on a fundamental underlying support: high-precision time and frequency technology.
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Mar. 06, 2026
MWC 2026 has wrapped up successfully in Barcelona! Saisi, at its main booth 5J64 in conjunction with the Zhejiang Pavilion at 7F64, brought two full-stack solutions—Timing & Frequency Synchronization and SLIC Voice—to align with global partners in the development of AI.
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Feb. 26, 2026
Zhejiang Saisi, a key pioneer of time-frequency and communication chip sector with independent R&D in China, will show its core voice communication and time-frequency synchronization solutions at MWC2026 (“The IQ Era”), March 2–5, Fira Gran Via Barcelona, Hall 5, Booth 5J64, featuring its indigenously developed high-end chips and solutions.
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Feb. 06, 2026
The exponential growth of AI computing power is driving comprehensive technological upgrades in computing infrastructure. Next-generation AI servers and 800G/1.6T optical modules now demand higher precision in timing synchronization. Saisi has launched its groundbreaking ultra-low-jitter differential crystal oscillator series, delivering high-perfo
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Feb. 05, 2026
As the golden snake bids farewell to the year and the steed heralds spring, Saisi Marketing Center held its 2025 Annual Summary Conference with great pomp at its Jiaxing headquarters on January 24. Senior executives and all marketing team members gathered to review the remarkable achievements of the past year and chart the course for 2026. 01 Revie
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Feb. 02, 2026
Jan. 27, 2026
The annual IEEE1588 International Symposium on Clock Synchronization Measurement, Control and Communication (ISPCS) was held at the National Physical Laboratory in London, UK, from September 18 to 22,2023. Saisi attended as scheduled, collaborating with global partners to explore clock synchronization technologies and distributed applications based
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Jan. 26, 2026
From July 13 to 15,2023, Saisi showcased its high-precision clock chips, OCXO, clock systems and other products at the "11th China (Western) Electronics Information Expo" in Chengdu Century City New International Convention and Exhibition Center.
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