Main Features
The JR211-FK-4G is a vandal-resistant telephone designed for robust environments. It features a brushed stainless steel housing with an IP65 protection level, ensuring resistance to dust and water. The device supports 4G wireless communication and includes a full metal keypad and an ABS material handset with a noise-cancelling microphone. It is compatible with hearing aids and includes a magnetic reed hook-switch for easy desk mounting. The telephone is designed to withstand vandalism, making it suitable for use in high-risk areas such as prisons, airports, and public transport stations.

Technical Specifications
The device is equipped with a 4G Module EC25, supporting various regional frequencies and GNSS options like GPS and GLONASS. It operates on a power supply of 12V DC, with a power consumption of 0.3W when idle and 1.5W during operation. The telephone allows remote configuration via SMS and includes diagnostic functions to report low battery voltage and weak signals. It operates in temperatures ranging from -40°C to 65°C and has a mean time between failures (MTBF) exceeding 50,000 hours.

Applications and Accessories
The JR211-FK-4G is suitable for various applications, including metro stations, airports, business centers, and prisons. Optional accessories include acoustic hoods, broadcast horns, and LED beacon lights. The device is designed for easy installation and connection to the operator's network via a SIM card.

Dimensions and Packaging
The unit measures 250x120x160 mm, with shipping dimensions of 340x235x165 mm. It is packaged with foam padding in a carton, with a net weight of 3 kg and a gross weight of 4 kg.