Main Features
The JR204-FK-4G is a 4G wireless communication device with remote configuration capabilities. It features a 128 x 64 pixel LCD display, a full metal keypad with 16 keys, and four additional programmable speed-dial buttons. The handset is made of ABS material, includes a noise-cancelling microphone, and has an 83 cm armored cord. It supports hearing aid compatibility and uses a magnetic reed hook-switch. The device is available in grey, with other colors upon request, and is designed for wall mounting with simple installation. It boasts a robust cold-rolled steel housing with an IP54 protection level, advanced noise reduction technology for HD calls, and corrosion-resistant hardware. It complies with CE, FCC, RoHS, IK10, and ISO9001 standards.

Vandal Resistant Telephone
The telephone is housed in a corrosion-resistant stainless steel or cold-rolled steel box, offering increased resistance to vandalism. It maintains clear and loud communication without feedback, thanks to its electromagnetic shielding and armored cord. It is ideal for environments prone to vandalism, such as parking lots, prisons, airports, and more.

Technical Specifications
The device uses the 4G Module EC25, supporting various regional frequencies and GNSS options like GPS, GLONASS, BeiDou, Galileo, and QZSS. It operates on a 12V DC power supply, with power consumption ranging from 0.3W idle to 1.5W working. The communication mode is 4G, with remote configuration via SMS and remote monitoring capabilities. It enforces a call time limit of 6-8 minutes and can report diagnostics like 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 exceeds 50,000 hours of operation under normal conditions.

Applications
The JR204-FK-4G is suitable for various applications, including metro stations, airports, business centers, bus stations, banks, hospitals, schools, and prisons. Optional accessories include an acoustic hood, broadcast horn, LED beacon light, and acousto-optical alarm.

Dimensions and Packaging
The unit size is 250 x 160 x 123 mm, with shipping dimensions of 340 x 235 x 165 mm. It is packaged with foam padding in a carton, with a net weight of 3 kg and a gross weight of 4 kg.