Features: 1.Increase the locking of the fixed module, so that the user can install easily and improve the reliability and stability of the module work. 2.For PCB has increased 4 screw holes, so that this adapter can be used inside the industrial small cabinet. 3.Increase the distance between the SIM card holder and the rear panel components, so that the user can disassemble the SIM card more conveniently. 4.Add USB 4-wire input hole plate to directly weld USB cable. 5.This product uses high quality materials and fine craft. It is durable and reliable. specification:This product is suitable for 3G modules of many brands, such as for Huawei, for ZTE and other brands 3G Card. The card is used for flashing, debugging, testing and unlocking of the 3G module through the USB port, and can also be tested by USB for the WiFi module (USB bus) of the USB bus and the Mini PCI-E interface card (USB bus). 1. Increase the locking of the fixed module, so that the user can install easily and improve the reliability and stability of the module work. 2. For PCB has increased 4 screw holes, so that this adapter can be used inside the industrial small cabinet. 3. Increase the distance between the SIM card holder and the rear panel components, so that the user can disassemble the SIM card more conveniently. 4. Add USB 4-wire input hole plate to directly weld USB cable. 5. This product uses high quality materials and fine craft. It is durable and reliable. : Product Size : Approx. 85x31mm/3.3x1.2inch PCI-E: Mini PCI-E design conforms to the industry standard of 1.30 version USB: USB design conforms to USB 2.0 industry s and is backward compatible with 1.1 Applicable Module: This adapter card is suitable for full-height (30x50-51mm/1.2x1.9-2.0inch) 4G/3G modules (USB bus) LED: Working status LED real-time display Driver: The product does not require any software drivers Package List: 1 x Riser Card Note: This product is suitable for many brands of 3G 4G modules. For Huawei Modules: MU609 PCIE, MU709S-2 PCIE, MU509-B PCIE, MC509-A PCIE, EM770 770J 770W, EM820U 820W, ME909u-521, ME909s-821, ME909S-120, etc. For ZTE Modules: MF210, ME3760V2C, ME3760V2D, ME3760 private network, MF210V2/AD3812/MC2716/ME3620/ME3630, etc. For Grid/Meg Module: SLM630/SLM630B For Longshang Module: U8300/U8300W/U8300C/C5300V/U7500E/U6300V For Domain Module: CLM920N/CLM920CN3/CLM920 full range of PCIE modules For Quectel Module: UC20 full range of PCIE, for EC20 full range of PCIE modules For SIMCOM Module: SIMCOM7100 full range of PCIE modules For Usr module: USR-G402tf PCIE module Supports sierrawireless,Telit, cinterion, Ericsson, SAMSUNG, Huayu, Datang and other brand 3G 4G cards for Internet access and module brushing, debugging, testing and unlocking via USB port.