Huawei EC5377 is listed online with a price ¥ 748 for China at vmall. It is basically Huawei E5377 which supports WCDMA, 4G LTE and GSM networks. But, EC5377 supports CDMA EVDO as well as WCDMA, 4G LTE and GSM.
Under 4G network, EC5377 can provide download speed up to 150Mbps, while under Unicom 3G network the maximum downlink 42Mbps is possible. It has built-in antenna as well as WEP, WPA, WPA2, TKIP and AES encryption technology.
Huawei EC5377 can provide internet up to 10 users with its WiFi and up to one user with its USB port. The device supports Windows XP SP3, Windows Vista SP1 / SP2, Windows 7, Windows 8, Windows 8.1 (not supported by Windows RT), Mac OS X 10.7,10.8 and 10.9 the latest version. It has 256MB Flash memory and 128MB DDR SDRAM.
The EC5377 packs a 1500mAh Lithium battery, that is rated for up to 5 hrs of working time and up to 300 hrs of standby. It has physical buttons : Power ON / OFF, MENU key and RESET. It has also one Micro USB port and supports 6 PIN SIM card. It has a memory card slot, which supports up to 32GB memory card. Its whole dimension is 93.5 × 57.1 × 14.4mm and weight is 83g (with battery).
For unlocking guides and charges refer this article.