Peak rate	LTE FDD: DL/UL 100/50MbpsLTE TDD: DL/UL 61/18Mbps TD-SCDMA: DL/UL 4.2/2.2Mbps WCDMA: HSDP DL 7.2Mbps GSM: DL/UL 384/384Kbps
T-Flash card	up to 32GB
Port	micro usb, standard usim, micro SD
Support	SMS, contact book, APN, firewall
Antenna	Internal
Charger	Output : 5V DC±10%;Output : 1.5A~1.8A; Input : 100V~240V,50Hz~60Hz
Working Temperature	-10°C to 60°C
Working Humidity	5% - 65%
Storage Temperature	-30°C to 80°C
Storage Humidity	5% to 95%
OS	Win10,Win8,Win7,Windows XP, Vista, Mac OS, Linux
Language	Chinese&English
Supported	SMS, Contact Book, APN

It can work for USA carriers

* This pocket modem can share WiFi internet access with up to 10 devices
 * Unlocked devices will accept all SIM cards; works on AT&T and T-Mobile VERIZON networks.

Built-in battery, portable mini router, you can bring it to outside, for travel.

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