Main Features
The JR308-FK-OW-4G Emergency Intercom is designed with a 304 stainless steel body, offering an IP55-IP65 waterproof rating and advanced noise reduction technology for high-definition calls. It is corrosion-resistant and complies with CE, FCC, RoHS, IK10, IP65, and ISO9001 standards. The device supports 4G wireless communication with remote configuration and features hands-free operation with a vandal-resistant metal button for emergency calls. It includes a full metal keypad, noise-cancelling microphone, and a built-in 2W speaker. The intercom is wall-mounted with an M16 cable gland for secure installation, making it ideal for various environments such as parking lots, elevators, hotels, and more.

Technical Specifications
The intercom utilizes the 4G Module EC25, supporting various frequency bands across different regions, including EMEA, North America, and Latin America. It operates on a 12V DC power supply with a power consumption of 0.3W when idle and 1.5W during operation. The device allows remote configuration via SMS and supports remote monitoring and auto-dialing. It enforces a call time limit of 6-8 minutes and can report diagnostics such as low battery voltage and weak signal. The operating temperature ranges from -40°C to 65°C, with a storage temperature of -40°C to 75°C, and it has a mean time between failures (MTBF) exceeding 50,000 hours.

Applications
The JR308-FK-OW-4G is suitable for use in metro stations, airports, business centers, clean rooms, banks, hospitals, schools, and platforms. Optional accessories include an LED beacon light and broadcast horn. The device is designed for easy installation and reliable communication in various challenging environments.

Dimensions and Packaging
The unit size is 220x160x50 mm, with shipping dimensions of 340x235x165 mm. It is packaged with foam padding in a carton, with a gross weight of 2.5 kg and a net weight of 2 kg.