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Premium Radio Frequency Module Manufacturer

Trusted supplier of high-performance Wireless RF Modules, Low Power RF Modules, ISM RF Modules, and GPRS Modules for IoT, telemetry, smart meters, alarm systems, and industrial automation. 15+ years of expertise in wireless communication solutions.

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About Shenzhen JZC Telecom

Shenzhen JZC Telecom Technology Co., Ltd. is a leading manufacturer of Radio Frequency Modules and Wireless RF Modules, specializing in IoT wireless communication solutions for over 15 years.

We design and produce high-reliability RF modules including Low Power RF Modules, ISM RF Modules, 433MHz RF Modules, GPRS Modules, and UHF RFID Modules, serving industries such as smart metering, remote control, telemetry, and industrial automation.

Our commitment to quality, technical innovation, and customer support has earned us global recognition and partnerships across Europe, Asia, and the Americas.

  • 15+ Years in RF Module Manufacturing
  • ISO-Certified Quality Control
  • Global Distribution & Support
  • Customization & OEM Services
433MHz RF Module with metal cover Low power RF module 490MHz GFSK RF Transmitter and Receiver GPRS Module with watchdog chip

Our Top Products

High-performance, reliable RF modules engineered for industrial, commercial, and IoT applications. All modules undergo rigorous testing and are backed by technical support.

433MHz RF Module 16 Channels

433MHz RF Module, 16 Channels, 1W/2W Modem with Metal Cover

Ideal for alarm systems and industrial control. High power output, stable performance, and durable metal shielding.

  • Frequency: 433MHz
  • Power: 1W / 2W
  • Channels: 16
  • Interface: TTL/RS232
  • Application: Alarm Systems, Remote Control
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TTL 200mW GFSK Low Power RF Module

TTL 200mW GFSK Modulation Low Power RF Module 490MHz

Ultra-low power consumption with GFSK modulation for extended battery life in remote telemetry and sensor networks.

  • Frequency: 490MHz
  • Power: 200mW
  • Modulation: GFSK
  • Interface: TTL
  • Application: Smart Meters, Telemetry
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GFSK 868MHz/433MHz RF Transmitter and Receiver

GFSK 868MHz / 433MHz RF Transmitter and Receiver Module

Dual-frequency support with 16 channels for flexible deployment in European and global markets.

  • Frequencies: 868MHz / 433MHz
  • Modulation: GFSK
  • Channels: 16
  • Interface: TTL/RS232
  • Application: Remote Control, IoT
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GPRS Module with Watchdog Chip

GPRS Module Wireless Transmitter and Receiver with Watchdog Chip

Reliable cellular-based wireless communication with built-in watchdog for fail-safe operation in remote monitoring.

  • Technology: GPRS
  • Interface: UART/TTL
  • Features: Watchdog, SIM Card Support
  • Application: Remote Monitoring, Telemetry
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Data Communication GFSK RF Module

Data Communication GFSK UART/TTL Low Power RF Module

Designed for natural gas meters and utility monitoring. Low power, high stability, and secure data transmission.

  • Modulation: GFSK
  • Interface: UART/TTL
  • Power: Low Consumption
  • Application: Gas Meters, AMR
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Aluminum Small Wireless 433MHz RF Module

Aluminum Small Wireless 433MHz RF Module GFSK 100mW

Compact aluminum housing for EMI protection. Ideal for space-constrained and high-interference environments.

  • Frequency: 433MHz
  • Power: 100mW
  • Modulation: GFSK
  • Housing: Aluminum
  • Application: Industrial Control, Sensors
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Universal RS232/RS485/TTL Transceiver

Universal RS232 / RS485 / TTL Wireless Transceiver 433MHz

Multi-protocol support for seamless integration with legacy and modern industrial systems.

  • Interface: RS232 / RS485 / TTL
  • Frequency: 433MHz
  • Application: Industrial Automation, SCADA
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Long Range 4Km 490MHz RF Module

Long Range 4Km 490MHz RF Transmitter and Receiver for Smart Card

Extended range communication for smart card systems, access control, and secure data transfer.

  • Frequency: 490MHz
  • Range: Up to 4km (line of sight)
  • Application: Smart Cards, Access Control
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Our Quality Commitment

Every RF module is engineered for reliability, longevity, and performance in demanding environments.

🔧

Rigorous Testing

Each module undergoes comprehensive RF performance, temperature, and longevity testing before shipment.

🛡️

Stable Performance

Engineered for 24/7 operation in industrial and outdoor environments with EMI shielding and thermal stability.

📦

Global Certification

Modules comply with international standards and certifications for wireless communication and safety.

What Our Clients Say

"We got package and tested today, thanks for your prompt delivery, the modules are in stable performance. Great!"

— K. Sardadvar

"Thank you for your technical support, the modules work well. And looking forward to the next cooperation."

— Nissim

"With many thanks to JZC, we are satisfied with the low price but high quality module. We would place a large order for our next project. Thanks!"

— Olivier

Get in Touch

Need technical support, a quote, or product recommendation? Contact us directly through our official website.

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We support multiple languages including English, French, German, Spanish, Portuguese, Japanese, and Korean.

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