used, have a few scratches on the surface, include an original  adapter

unlocked you can use in LTE TDD BAND41&38(2500MHz),39(1900MHz), 40(2300MHz).

Has 2 external antenna port , you can switch to the external antenna in management page, 

Support TR069 

support TD-SCDMA instead of UMTS

It does NOT support UMTS

ship from China with USPS tracked parcel

Huawei B593 4G LTE Smart Hub Features

Embedded 4G LTE modem support manufacturer rated peak download speeds up to 112Mbps(LTE CAT4)

Connect up to 32 Wi-Fi-enabled devices/users simultaneously

4x 10/100 Ethernet LAN ports for wired connectivity

1 USB ports for data storage and sharing

Plug and play, no software installation needed

Management and configuration via web users interface from any computer or smartphone

WWAN Interface: 4G x 1

LAN Interface: Ethernet x 4

WLAN Encryption: WEP, WPA, WPA2

WLAN Data Rate: up to 300 Mbps WAN connection