WG2107 is a 4G router with two 4G modules.It can access the Internet through 4G sim cards or 1000Mbps WAN port. 

Relevant standard specifications:
USB2.0 bus standard
TF Card interface standard
SIM/USIM interface standard
PCI- Express bus standard
IEEE802.11n/g/b/a/ac
IEEE802.3/802.3u/802.ab
Mini PCI Express Card Electro mechanical Specification Revision 1.0-2003
4G mobile communication standard, which is determined by the selected 4G mobile communication module

ZBT WG2107 4G Router Specification:

WG2107 Dual SIM 4G Router Main features:

1. Adopt MTK7621A Chip solution, MIPS dual-core CPU, the main frequency is up to 880MHZ
2. Use independent WIFI chip, 2.4G is MT7603EN, 5.8G is MT7613AEN
3. 2.4G rate up to 300Mbps, 5.8G rate up to 867Mbps, dual frequency rate is about 1200Mbps
4. Using high-speed 256MB DDR3 and 16MB Nor Flash
5. 1XWAN+4X LAN (1000M adaptive network ports, support Auto MDI/MDIX)
6. Support USB2.0 and TF card slots to expand SMABA or FTP network storage function
7. Support "One-click mode"(press the reset button to enter the rescue and flash mode)
8. Built-in two 4G PCIe module interfaces
9. Two external Nano SIM Card interfaces, both support SIM/USIM card