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HUAWEI E3531 is a new 3G USB Surfstick with HiLink technology, which is plug and play. HUAWEI E3531 looks like the HUAWEI E3131 USB Stick, which is also supports the HSPA download speed up to 21Mbps and upload speed to 5.76Mbps. They can both auto connect internet in 15 seconds.   HUAWEI E3531 3G USB Stick Specifications: * 3G UMTS/HSPA 2100 MHz * 2G GPRS/EDGE 1900/1800/900/850 MHz * HSPA Download speed up to 21Mbps * Hilink Connect in 15 seconds * multi-colored LED display * Dimensions: 84 x 27 x 10.5 mm * Weight: 30g 3 G: WCDMA/UMTS/HSPA 850/2100 MHz

2G: GSM/GPRS/EDGE 850/900/1800/1900 MHz

for any compatible GSM provider, will work for AT&T, not for T-Mobile USA

Check compatible providers Worldwide:

Description

The HUAWEI E3531 is a high performance Broadband Modem for those who like to have their mobile internet in your pocket. The E3531 is a plug and play 3G USB modem. Simply plug into the USB port of your notebook or PC and away you go. Since, it is hi-link modem,  no manual installation is required.

Specifications

• WCDMA/HSPA /UMTS 850/2100 MHz
• EDGE/GPRS/GSM 850/900/1800/1900 MHz
• HSPA Download speed up to 21Mbps
• Hilink Connect in 15 seconds
• Multi-colored LED display
• Micros SD card for up to 32GB (SD card is not included)
• SIM/USIM card: standard 6-pin SIM card interface (sim card not included)
• Windows XP, Vista, Windows 7, Windows 8, Mac OS X 10.6, 10.7 and 10.8 10.9 with latest upgrades
• SMS Support yes