2N® LiftGate 4G VoLTE/VoIP (5024101US) Technical Specifications Brand: 2N® Part Number: 5024101US Function: IoT gateway providing 4G VoLTE and VoIP connectivity for elevator communication, enabling emergency calls and remote monitoring Installation: Mounts in elevator machine room or on cabin roof; connects via 2-wire traveling cable to 2N® LiftGate Switch or other devices; supports SIM card for 4G connectivity Compatibility: Compatible with 2N® LiftIP, LiftGate Switch, and other IP-based devices; supports integration with 2N® Elevator Center for centralized management Control: Supports VoLTE and SIP-based VoIP calls; features automatic call testing and remote configuration via web interface or 2N® Service Tool; supports PCMU, PCMA, G.711, L16, G.722, and G.729 audio codecs Integration: Supports Power over Ethernet (PoE 802.3af) or 10–30V DC; integrates with IP cameras, displays, and readers; complies with EN 81-28 and EN 81-70 standards; provides IPv4, IPv6, DHCP opt. 66, HTTP, HTTPS, and Syslog protocol support