Wallys/DR3G11&DR2G11 DR3g11 https://www.wallystech.com/Routerboard/DR3G11-Linux-PCIe-adapter-for-M.2-WiFi-modules-PCIe-adapter-support-AX200NGW.html
Features
Support 1 pcs M.2 card
Support AX200NGW
Support DR9074-6E
RoHS compliance ensure a high level protection of human health and the
environment from risks that can be posed by chemicals
Product Description
DR3G11 is an adapter card with one M.2 slot. It can be used in a PC with a PCIe slot. Use this new adapter to expand your connectivity and upgrade y**ice to use the latest m.2 interface cards. Each comes with both low and regular profile brackets.
Brackets include holes for mounting SMA connectors, or for using as cable exit holes. Specifications
Parameter Rating Unit
Input voltage 12 V
Output Voltage 3.3 V
Operating Temperature -40 to +70 ºC
Operating Humidity Range 5 to +95 (non-condensing) %
Storage Humidity Range 0 to +90 (non-condensing) %
ROHS Compliance YES 
2.DR2G11 https://www.wallystech.com/Routerboard/DR2G41-Linux-PCIe-adapter-for-miniPCIe-and-M.2-WiFi-modules-4-miniPCIE-slot-to-PCIe-adapter.html Features Support 4pcs Mini PCIE cards or 4 pcs M.2 cards RoHS compliance ensure a high level protection of human health and the environment from risks that can be posed by chemicals
Product Description DR2G41 is an adapter card with four MiniPCIe and four M.2 slots. It can be used in a PC with a PCIe slot. Use this new adapter to expand your connectivity and upgrade y**ice to use the latest miniPCIe and m.2 interface cards. Each comes with both low and regular profile brackets. Brackets include holes for mounting SMA connectors, or for using as cable exit holes.
Specifications
Parameter Rating Unit Input voltage 12 V Output Voltage 3.3 V Operating Temperature -40 to +70 ºC Operating Humidity Range 5 to +95 (non-condensing) % Storage Humidity Range 0 to +90 (non-condensing) % ROHS Compliance YES
Switch control instruction
Switch up/down Operation
Switch 1 up M.2-1
down MiniPCIE-1
Switch 2 up M.2-2
down MiniPCIE-2
Switch 3 up M.2-3
down MiniPCIE-3
Switch 4 N/A M.2-4 and MiniPCIE-4 can work simultaneously,not controlled by the switch 
Our company:
Wallys Communications (SuZhou) Co.,Ltd was established in 2010. The company is a techno-innovation enterprise specializing in the independent R&D, production and sales of wireless network products and offering wireless solutions.
The company utilizes its own professional knowledge and the top research and development team unceasingly breaks through, we have the hardware, the software, the RF, the antenna, the enclosure and so on design ability.
To provide customers with customized services, products from Design - Test -Certification - Production of one-stop convenient services.
Wallys independent research and development and production of standard and proprietary protocol of wireless bridge, wireless AP, and frequency conversion equipment related products, comprehensive application in security, transportation, ports, oil fields, mines, logistics, electric power, tourism, forest fire prevention, safe city and other industries, won the general customers the consistent high praise, has the good public praise and reputation in the industry.
More detail and opportunities attach Emile & Face boook :sales4@wallystech.com. This is Jane for you
