Welcome to our store! 1. For Thinkpad EM7345 4G LTE Mobile Broadband is an option that supports wireless WAN, providing high-speed internet access while on the go. 2. WWAN technology enables laptops or other equipment to connect to the internet anywhere within the coverage of a mobile network. 3. This product is highly suitable for remote offices, remote office connections, and internet access, etc. 4. Supports EMEA countries, Australia, and New Zealand, offering a true broadband experience for any device, anytime, anywhere. 5. Compact size, easy to carry and store, convenient to use, and with excellent performance. Item Type: Wireless Network Card Model: EM7345_for Lenovo FRU Number: 04X6014 Interface: NGFF M2 Applicable Network: Telecom 4G, China Unicom 3G 4G, Mobile 2G Wi-Fi Certification: 802.11n Supported Systems: For Win7/Win10 Supported Models: For ThinkPad 2nd Gen Types: 20CG, 20CH For ThinkPad X1 Carbon Types: 20A7, 20A8 For ThinkPad X1 Carbon Types: 20BS, 20A8 For ThinkPad L440, L450, L540 For ThinkPad T431s, T440, T440p, T440s For ThinkPad T450, T450s For ThinkPad T540p, T550 For ThinkPad W540, W550s, W541 For ThinkPad X240, X250 For ThinkPad -8 For ThinkPad -10 For ThinkPad YOGA-15 1 x Wireless Network Card 1 x Screw Customers are our top priority. If you encounter any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.