The EM7345 4G LTE Mobile Broadband is a wireless WAN-ready option that provides high speed on the go internet access. Supported Systems:L440, L540, L450,T431s, T440, T440p, T440s, T540p, T550,W540, W541, W550s ,X1 Carbon (Machine types: 20A7, 20A8, 20BS, 20BT),X240, X250 | Feature: ①LTE/HSPA+ Support.②Open SIM.③Supports EMEA countries, Australia and New Zealand.④Delivers a true broadband experience to any device, anytime, anywhere | Instead of managing the setup, use, and payment of multiple connectivity solutions for your remote workers (remote office connectivity, hotel and airport Wi-Fi, and home office access), you can use a single, cost-effective solution with wide national coverage, consistent experience, simple setup, comprehensive support, and predictable cost. | Operating environment:The module full operating temperature in compliance with 3GPP specification shall be -10 °C to +55 °C.Extreme operating condition: +55 °C to +70 °C. Non operating environment:Temperature: -40 deg to 70 deg (B) (-40 deg to 158 deg (F)Relative humidity: 5% to 95% | Performance Specifications:Supported Voltage range: 3.135 V to 3.6 V;Operating Voltage: 3.3V;VBAT voltage range: 3.135V to 4.4V;Average Standby Power (RF radio off) < 10mW;Selective Suspend support (connected to network) <4mW;Data Transfer Peak current is 2.5 A;HSPA+ data rates downlink up to 42 Mbps and Uplink up to 5.7Mbps;GPRS class 33;EDGE class 33; WCDMA