Feature: 1. LTE Support: B1 (2100 MHz), B2 (1900 MHz), B3 (1800 MHz), B4 (1700 MHz AWS), B7 (800 MHz‑dd), B7 (800 MHz‑b), B7 (2600 MHz), B8 (900 MHz), B8 (900 MHz), vitamin B12. B25 (1900 MHz), B26 (850 MHz), B29 (700 MHz‑d block), B30 (2300 MHz), B41 2. Frequency Band: LTE FDD, frequency bands B1‑B5, B7, B12, B13, B17, B20, B25, B26, B29, B30, B41. HSPA + supported frequency band (global) ‑ B1 (2100 MHz), B2 (1900 MHz), B3 (1800 MHz), B4 (1700 MHz AWS), B5 (850 MHz), B8 (900 MHz) 3. For Dell: For Dell latitude 14 7000 series E7470, for Dell latitude 12 7000 series E7270, for Dell latitude 13 7000 series E7370, for Dell latitude 15 5000 Series E5570, for Dell latitude 10.5400 series 4. EM7455 4G Module: NGFF/M2 interface LTE module, embedded chipset, 300m high speed transmission, 4G LTE network standard, supporting Telecom 4G, China Unicom 4G / 3G and mobile 2G 5. Parameter: The wireless signal of this network card is very stable, which is very suitable for many applications. With excellent quality and durability, and the transmission rate is up to 300M Specification: Item Type: Wireless Module Model: EM7455 Material: PCB Type: 4G LTE WWAN NGFFModule Exterior: PCI-E M.2 Pin: 52 Frequency Band: lTE FDD: Frequency Bands B1-B5, B7, B12, B13, B17, B20, B25, B26, B29, B30, B41 UMTS/HSPA+: B1,B2,B3,B4,B5,B8 Technology: UMTS,HSDPA,HSPA+,LTE Maximum Download Speed: 300 Mbps Maximum Upload Speed: 50 Mbps Compatible with for Dell: For Dell Latitude 14 7000 Series E7470 For Dell Latitude 12 7000 Series E7270 For Dell Latitude 13 7000 Series E7370 For Dell Latitude 15 5000 Series E5570 For Dell Latitude 14 5000 Series E5470. Package List: 1 x Wireless Module