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Understanding 4G PoC Radio: Features, Benefits, and Applications

June 17 , 2024

For over a decade, Grandtime has been committed to solving various safety issues in urban public safety governance and people's lives in a scientific manner that is data-driven, visualized, and intelligent, and to provide efficient, customizable intelligent, visualized, and data-driven solutions for the government, law enforcement departments, and industry related to public safety and worker safety.


Push-to-Talk over Cellular (PoC) technology has changed the way organizations communicate, offering a seamless blend of traditional two-way radio functionality with the expansive coverage of cellular networks. One notable device in this category is the Grandtime 4G PoC radio F39, which stands out for its robust features and versatile applications.


Features of Grandtime 4G PoC Radio F39


lte network poc radio

4G PoC Radios - F39


The Grandtime 4G PoC radio F39 is designed to meet the demanding needs of various industries. Here are its key features:

Smart Rugged Design: The F39 is built to withstand harsh environments, making it suitable for outdoor and industrial use.

Push-to-Talk Button: This feature allows for instant group or individual calling, ensuring quick and efficient communication.

4.0 Inch Intelligent Touch Display: The large touch screen provides an intuitive interface for easy operation.

Built-in Wi-Fi, Bluetooth, Beidou, and GPS: These connectivity options ensure the device can be used in various locations and for different purposes.

Android 9.0 OS: The device runs on the widely-used Android 9.0 operating system, offering compatibility with numerous applications.

5000 mAh Battery: A large battery capacity ensures the device can operate for an entire day without needing a recharge.

Built-in LoRa: This feature enhances the device's communication range and reliability.

IP68 Waterproof: The F39 is highly resistant to water and dust, making it ideal for use in challenging environments.


Benefits of 4G PoC Radio


The Grandtime 4G PoC radio F39 offers several advantages over traditional communication devices:

Wide Coverage: Utilizing 3G, 4G, and LTE networks, PoC radios provide extensive coverage, far surpassing the range of traditional two-way radios.

Cost-Effective: PoC radios eliminate the need for expensive infrastructure like repeaters and base stations, reducing overall communication costs.

Instant Communication: The push-to-talk functionality allows for immediate voice communication, which is crucial in emergency and time-sensitive situations.

High Audio Quality: Advanced noise-canceling features ensure clear communication even in noisy environments.

Enhanced Safety Features: Built-in GPS and emergency buttons provide additional safety for users, enabling real-time location tracking and quick response in emergencies.


Applications of 4G PoC Radio


The versatility of the Grandtime 4G PoC radio F39 makes it suitable for a wide range of applications:

Public Security: Law enforcement agencies can use PoC radios for reliable and secure communication across large areas.

Fire and Rescue Services: The rugged design and instant communication capabilities are ideal for emergency responders.

Hospitals: Medical staff can benefit from the device's reliability and ease of use in critical situations.

Construction Sites: The robust build and long battery life make it perfect for use in construction environments.

Logistics: Companies can track and communicate with their fleet efficiently, ensuring smooth operations.

Railway and Airport Operations: The extensive coverage and high audio quality support the complex communication needs of these sectors.


4G poc radio application




The Grandtime 4G PoC radio F39 exemplifies the advancements in PoC technology, offering a robust, reliable, and versatile communication solution for various industries. Its combination of extensive features, cost-effectiveness, and wide-ranging applications makes it an invaluable tool for modern communication needs.

By leveraging the power of cellular networks, PoC radios like the F39 are setting new standards in communication, ensuring that users stay connected, informed, and safe, no matter where they are.

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