GSM / 4G / 5G Alarm Systems

Commercial-Grade Intrusion Detection for Security Integrators & Distributors

Yuzhong Security manufactures cellular-based wireless alarm panels for residential, commercial, and infrastructure security. Backed by 10 years of hardware R&D, our equipment integrates directly into central monitoring networks worldwide.

GSM SMS Alert Alarm System
The 4G LTE / GSM SMS Alert Alarm System is an independent cellular-based security solution designed for locations lacking reliable WiFi, broadband, or fixed telephone lines.
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4G Alarm System For No Internet Areas
This commercial-grade cellular security system is designed for locations lacking stable landline internet infrastructure or WiFi coverage.
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Wireless GSM Home Alarm System Kit
The Wireless GSM/4G Home Alarm System Kit is a professional security solution for residential, commercial, and industrial sites.
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5G High-Speed Alarm System
Reliable real-time protection powered by 5G low-latency communication. Engineered for security distributors, system integrators, and OEM partners worldwide.
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4G LTE Remote Alarm System Kit
This wireless security system features dual-path communication (4G LTE + WiFi 2.4GHz) to ensure reliable alarm transmission.
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GSM SIM Card Wireless Alarm System
The GSM SIM Card Wireless Alarm System is a professional-grade intrusion detection solution engineered for global security brands, distributors, and system integrators.
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Why Partner with Us

We mitigate the technical and supply chain risks that international distributors and system integrators face when sourcing hardware:

10 Years of Dedicated Hardware R&D:

Our entire hardware architecture and RF firmware are developed fully in-house, ensuring complete control over component lifecycles and product roadmaps.

Direct-to-Factory Technical Support:

Escape the communication delays of trading companies. Our clients get direct access to our core hardware and software engineering teams for integration and troubleshooting.

Operational Risk Reduction:

By providing certified hardware, localized compliance, and strict legal protection, we safeguard your brand's reputation in your local market.

Technical Specifications & Product Selection

Our cellular-based alarm lines are structured by network standards, response latency, and visual verification capabilities to meet diverse regional engineering criteria:

Network Tier	Response Latency	Application Context	Alarm Verification Method
5G IoT-Ready	Under 50 ms	Critical infrastructure, industrial sites & smart city hubs	Real-time HD video streaming
4G LTE	Under 500 ms	Commercial facilities, enterprise offices & retail chains	Sequential JPEG snapshot uploads
GSM / 2G Backup	Under 2000 ms	Budget residential security & low-bandwidth rural sites	Voice dialer & SMS notification routing

RF & Encryption Subsystems:

RF Carrier Frequencies: Region-specific options available in 433MHz or 868MHz for peripheral communication.
Data Encryption: Sub-1G bidirectional RF link secured via end-to-end AES-128.
On-Board Log Buffer: Non-volatile flash memory retains up to 1,000 offline event logs during network outages.

Hardware Reliability & Failover Systems

Our engineering focus is on mitigating signal loss and false alarms to minimize field maintenance overhead:

Dual-SIM Auto-Failover: Hardcoded firmware continuously monitors cellular packet loss, switching networks in under 3 seconds if a carrier drops.

CMS Protocols: Native, out-of-the-box integration via SIA DC-09 (with AES encryption support), Contact ID IP, and MQTT via TCP/IP.

Anti-Tamper Design: Dual-wall mechanical tamper switches trigger immediate local and remote alerts upon cover removal or wall prying.

Power Redundancy: Built-in rechargeable backup battery supports up to 24 hours of continuous operation during mains power failures.

Compliance & Manufacturing Quality

International Certification

All hardware carries the CE Mark (EMC/LVD) and FCC Certification, and complies fully with the RoHS Directive.

Production Testing

Every batch undergoes 100% Automated Optical Inspection (AOI) followed by an extended high-temperature burn-in protocol.

Lead Times

Standard bulk production requires 15–25 days from deposit and component allocation.

OEM / ODM Customization

Private Labeling

Laser engraving on enclosures, customized packaging, and localized manuals available from a minimum order quantity (MOQ) of 100 units.

White-Label Apps

IOS and Android application UI customization with your corporate branding and logos.

Hardware Localization

Engineering support for regional cellular frequency band adjustments and proprietary CMS protocol tuning.

FAQ

Q: How do these panels handle regional 2G/3G network shutdowns?

A: We equip our panels with dedicated 4G LTE or 5G modules certified for specific regional carrier bands (North America / Europe), ensuring long-term operational continuity as older networks phase out.

Q: Can we order custom wireless frequencies to match our existing sensor inventory?

A: Yes. Through our ODM services, RF transceiver modules can be tuned to specific target frequencies (e.g., 433.92MHz or custom Sub-1G bands) to maintain backwards compatibility with legacy hardware.

Q: What is the evaluation sample and warranty policy?

A: Hardware sample kits are available for bench testing and CMS integration. All commercial-grade control panels include a 2-year factory warranty backed by direct access to our hardware and software engineering teams.

As one of the most professional gsm / 4g / 5g alarm systems manufacturers and suppliers in China, we're featured by quality products and good price. Be free to wholesale bulk gsm / 4g / 5g alarm systems for sale here and get quotation from our factory. Contact us for customized service.