Features 1、LTE speed up to 150Mbps 2、DC‑HSPA+ data service of up to 42 Mbps 3、HSUPA data service of up to 5.76 Mbps 4、Small SD Card Slot (up to 32GB) 5、External Antenna Slot,support External Antenna Specification The E3372 is a USB data card that supports LTE FDD technology. Streamlined in shape, the E3372 incorporates LTE FDD technology while remaining compatible with UMTS / GSM / CDMA networks, automatically switching between different networks to ensure optimal internet connectivity. This is the world's first multi-mode data card that supports LTE FDD / UMTS / GSM / CDMA. Features: LTE speed up to 150Mbps DC-HSPA+ data service of up to 42 Mbps HSUPA data service of up to 5.76 Mbps Small SD Card Slot (up to 32GB) External Antenna Slot,support External Antenna Support Windows 2000, Windows XP, Windows Vista,7,8 Operating Systems Specification: Model: E3372h-607 Support frequency band: 4G: LTE Band 1/3/7/8/28/40 (FDD 700/900/1800/2100/2600 MHz, TDD 2300 MHz ) 3G: WCDMA(UMTS) DC-HSPA+/HSPA+/HSPA/UMTS 900/2100MHz 2G: GSM/GPRS/EDGE 850/900/1800/1900MHz Size: 88 * 28 * 11.5mm / 3.5 * 1.1 * 0.5in Weight: 24 g / 0.8 oz(approx.) Package list: 1 x 4G LTE USB WiFi Dongle