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 to flash, debug, test and unlock 3G module via USB port, and can also be tested by USB for USB bus WiFi module (USB bus) and Mini PCI-E interface card (USB bus). 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 increased 4 screw holes, so this adapter can be used inside the small industrial 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 easily. 4. Add a 4-wire USB input hole plate to directly solder the USB cable. 5. This product uses high-quality materials and craftsmanship. It is durable and reliable. Specifications: Product size: approx. 85x31mm/3.3x1.2 inch PCI-E: Mini PCI-E design conforms to industry standard version 1.30 USB: USB design conforms to industry specification USB 2.0 and is backward compatible with specification 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: LED working status 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/CLM9 20 full range of PCIE modules For Quectel module: UC20 full range of PCIE modules, for EC20 full range of PCIE modules For SIMCOM module: SIMCOM7100 full range of PCIE modules For Usr module: USR - PCIE G402tf module Supports sierrawireless, Telit, cinterion, Ericsson, SAMSUNG, Huayu, Datang and other cards other brands 3G 4G for Internet access and module brushing, debugging, testing and unlocking via USB port.