Optical Transceivers · Telecom Synchronization · Network Infrastructure · Custom Solutions
APEX GROUP provides the HJ260 GNSS BeiDou Network Time Server, a high-performance timing solution designed for applications requiring precise network synchronization, reliable time distribution and secure timestamp services.
Based on GNSS satellite timing sources including BeiDou, the HJ260 series provides high-accuracy time synchronization services through standard NTP/SNTP protocols. It supports enterprise networks, telecom systems, data centers, financial systems, industrial automation, power grids and other critical infrastructure applications.
The HJ260 series supports multiple hardware platforms and localized operating system environments, including domestic CPU architectures, secure operating systems and enterprise-grade storage solutions, providing a reliable timing infrastructure for modern digital networks.
GNSS satellite reference synchronization accuracy:<100ns<>
1PPS pulse output accuracy:<30ns rms="">
LAN NTP synchronization accuracy: 0.1–2ms typical
Complex network NTP synchronization accuracy:<10ms<>
Frequency accuracy:<1×10⁻¹² daily="" average="">
Supports NTP v1/v2/v3/v4 and SNTP protocols
Supports unicast, multicast and broadcast modes
Up to 100,000 NTP requests per second per port
Supports more than 5 million timing clients
Supports IPv4, IPv6 and IPv4/IPv6 hybrid networks
HJ260 supports multiple reference sources with automatic priority switching, ensuring continuous timing availability.
Supported reference inputs:
GNSS / BeiDou satellite timing
1PPS + TOD
IRIG-B
PTP IEEE 1588v2
Optional holdover solutions:
High-stability OCXO
Rubidium atomic clock
The HJ260 series provides secure and reliable network timing services through:
MD5 authentication
Certificate-based encryption
SNMP network management
SYSLOG monitoring
Email alarm notification
Complete event logging
Remote management via SSH / Telnet / Console
The system supports:
Network interface bonding
Load balancing
Dual-server hot standby
Virtual IP heartbeat detection
to improve system availability and service continuity.
6 × Gigabit Ethernet RJ45 ports
4 × Gigabit SFP optical ports
1PPS pulse output
TOD serial time code output
IRIG-B output (optional)
PTP output (optional)
10MHz frequency output (optional)
Console port
USB interface
VGA interface
The HJ260 series supports professional timing monitoring tools for centralized management.
Monitoring functions include:
GNSS satellite lock status monitoring
Reference source status monitoring
NTP server performance monitoring
Client synchronization status monitoring
Time deviation alarm
Synchronization failure alarm
Network service quality monitoring
Supported management protocols:
SNMP
SYSLOG
The HJ260 series supports synchronization services for various operating environments:
Linux
Windows
Kylin OS
UOS
Other enterprise operating systems
It provides accurate timing synchronization for:
Server clusters
Database systems
Industrial control systems
Enterprise applications
5G base station synchronization
Mobile network timing
Telecom infrastructure synchronization
Network equipment timestamp services
Server cluster synchronization
Cloud infrastructure timing
Financial transaction timestamping
Data security and compliance applications
Smart grid synchronization
Substation timing
Power system event recording
Industrial control systems
Manufacturing automation
Process control timing
Secure network timing
Mission-critical systems
Public infrastructure synchronization
| Parameter | Specification |
|---|---|
| Reference Source | GNSS / BeiDou |
| Satellite Synchronization Accuracy | <100ns<> |
| 1PPS Accuracy | <30ns rms=""> |
| NTP Accuracy | 0.1–2ms typical |
| NTP Requests | ≥100,000 requests/sec/port |
| Client Capacity | >5,000,000 |
| Network Ports | 6×Gigabit Ethernet + 4×SFP |
| Protocol Support | NTP, SNTP, PTP, SNMP |
| Power Supply | 100–240VAC |
| Operating Temperature | 0℃ to +60℃ |
| Form Factor | 1U / 2U Rack Mount |
High-accuracy GNSS and BeiDou synchronization technology
Designed for telecom and critical infrastructure applications
Support for global network environments
Flexible interfaces and configuration options
Compatible with enterprise IT and communication systems
Suitable for telecom operators, data centers and industrial customers
GNSS Time Server
BeiDou Time Synchronization Server
PTP Grandmaster Clock
IEEE 1588v2 Timing Server
Telecom Synchronization Equipment
Network Timing Solutions
APEX is a communication technology brand focused on optical transceivers, telecom synchronization products, and network infrastructure equipment. We provide products and engineering support for telecom operators, data centers, mobile networks, and enterprise customers worldwide.
APEX GROUP is headquartered in Hong Kong, with our core team and supply chain operations based in China. We ship to customers across Asia, the Middle East, Europe, Africa, and the Americas.
We are a brand owner with deep engineering partnerships. We control product design, specification, quality validation, and supply chain management. Our products are built to our specifications by qualified manufacturing partners, and we handle all testing, coding, and quality assurance before shipment.
Yes. We code transceivers to match the host platform requirements of major switch and router vendors including Cisco, Juniper, Arista, HPE, Huawei, Nokia, and others. Tell us your platform model and required OS version, and we will ship modules that are recognized natively by your equipment.
Datasheets, compatibility matrices, and S-parameter reports are available for all standard products. Contact our sales team or visit the product pages on our website to request documentation.
Provide us with your switch make, model, and OS version. We code the transceiver firmware accordingly before shipment. If you are testing for the first time, we recommend ordering a sample unit to validate compatibility in your specific environment before placing a volume order.
Switch vendors occasionally introduce transceiver whitelisting in new OS releases. We track major platform updates and can provide recoded firmware matching the new OS requirements. Contact technical support if your existing APEX modules stop being recognized after a switch upgrade.
Contact our sales team by email, WhatsApp, or WeChat with your part number and quantity. We will confirm pricing, lead time, and shipping options. For first-time customers, we typically recommend starting with a sample order to validate compatibility before scaling to production volumes.
We ship via DHL, FedEx, and UPS for express delivery, typically 3-7 business days to most destinations. For volume orders, we also offer air freight and sea freight options. We can ship on your courier account or ours, and we handle all export documentation.
Sample orders start from 1-2 units for evaluation. For production orders, MOQ varies by product type, typically 10-50 units for standard transceivers. Contact us for specific product MOQs.
We accept wire transfer (T/T) as our standard payment method. For established customers, we can offer net-term payment arrangements. Contact our sales team to discuss payment terms.
All APEX products come with a 3-year standard warranty against manufacturing defects. We offer advance replacement for defective units, shipping the replacement before you return the failed unit to minimize downtime. For full details, visit our After-Sales Service page.
Contact us by email, WhatsApp, or WeChat. Describe your issue with as much detail as possible, including switch model, OS version, transceiver part number, and the problem you are seeing. Our support engineers will respond within one business day.
Yes, we strongly encourage sample testing. Order 1-2 units of each model you plan to deploy. Test them in your switches with your fiber plant and traffic load. Once validated, we can proceed with production quantities.
Yes. Many of our customers are telecom operators and government networks requiring 5-10 year supply continuity. We offer lifecycle management commitments with advance notification of any changes. See our Global Supply Chain page for details on long-term supply programs.