How does 4G public network POC walkie-talkie achieve real-time voice transmission?
Publish Time: 2025-06-05
In today's rapidly developing communication technology field, 4G public network POC walkie-talkie has been widely used in multiple industries with its outstanding technical advantages and innovative functions.
1. Core Function Highlights
Full network communication capability: 4G public network POC walkie-talkie adopts advanced soft SIM card technology, supports network coverage in more than 350 countries around the world, and can achieve seamless switching without a physical SIM card, ensuring that users can enjoy communication services without blind spots around the world. In addition, it is also equipped with a dual SIM card slot design, which can intelligently switch networks according to network signal strength, and form a three-card intelligent switching mechanism in combination with a soft SIM card. This design not only improves the stability of network connection, but also ensures smooth communication in emergency situations. In particular, the MCPTT key communication guarantee function, which complies with 3GPP international standards, can seize network resources in emergency mode, and shorten the group call response speed to less than 0.3 seconds, which is much better than the 2-5 second response time of traditional walkie-talkies, and is particularly suitable for the needs of critical mission scenarios such as firefighting and electricity.
Ultra-long battery life and durability: In order to meet the needs of long-term work, the 4G public network POC walkie-talkie is equipped with a large battery with a capacity of up to 4650mAh, which can support 30 hours of continuous talk time and up to 300 hours of standby time (based on laboratory data). At the same time, the device has reached the IP67 protection level, with dustproof, drop-proof (no damage after falling from a height of 1.5 meters) and waterproof (no leakage after immersion for 30 minutes), which is very suitable for use in extreme environments such as mines and ports. This feature greatly improves the reliability and durability of the device, ensuring stable working conditions under any conditions.
High-definition audio and video, intelligent interaction: In order to solve the problem of poor call quality in complex outdoor environments, the 4G public network POC walkie-talkie introduces dual-Mic noise reduction technology, which effectively reduces environmental noise and ensures that call clarity is improved by 60% during high-speed movement (such as driving at a speed of 120km/h). In addition, the multimedia converged communication function supports real-time synchronous transmission of voice, video, pictures and positioning information, greatly enriching the way of information transmission and enhancing the effectiveness and immediacy of communication.
2. Exclusive services and customization capabilities
Deep software empowerment: In addition to powerful hardware configuration, 4G public network POC walkie-talkie also provides deep software empowerment services. For example, it provides free personalized software services, which can quickly connect to customers' own APPs, with an adaptation period of no more than 3 days, and supports a variety of customized functions such as electronic fences, work order distribution, and data disks. More importantly, all devices enjoy the right to free lifetime system upgrades, which means that users can get the latest features and services anytime and anywhere to ensure that the device is always in the best condition.
Smart peripheral expansion: Considering the special needs of different industries, 4G public network POC walkie-talkie has designed a variety of smart peripheral interfaces, allowing users to connect barcode scanners, thermal printers, Bluetooth headsets, Bluetooth PPT keys and other devices, thereby transforming it into a smart terminal suitable for specific industries. For example, in the logistics industry, it can be used as a barcode scanning tool; in patrol work, it can be used as a safety detector. Based on the open architecture of the Android system, this walkie-talkie can also easily communicate with other platforms, further expanding its application scenarios.
4G public network POC walkie-talkie is not just a simple communication tool, but also an intelligent solution that integrates multiple advanced technologies. It not only solves many limitations of traditional walkie-talkies, but also gradually becomes an indispensable assistant in all walks of life through continuous innovation and improvement. Whether facing complex field operation environments or internal management of enterprises that require efficient collaboration, 4G public network POC walkie-talkie can provide strong support to help users achieve a more convenient and efficient communication experience.
