E-Key A+E Key 22x30mm to 22x42mm Male to Female Extension Adapter for Wireless Card

Key E (Pins 24-31 Notched), Primary Interfaces PCIe x1 (or x2), USB 2.0. Also supports I2C, SDIO, UART, PCM
Common Applications: Wi-Fi, Bluetooth, WiGig. Similar to Key A
Often found in an A+E keyed slot for Wi-Fi cards.
Key A (Pins 8-15 Notched)
Primary Interfaces: PCIe x1 (or x2 with some configurations), USB 2.0. Also supports I2C, DisplayPort x4 (optional)
Common Applications: Wi-Fi, Bluetooth, WiGig (Wireless Gigabit), NFC (Near Field Communication)
Often combined with Key E (see Key A+E).
Support 2230 E-Key or A+E-Key to 2242 extension, Support WIFI6 WIFI7 Wireless Card
It is E-key pinout, Not work for B-key M-key or A-key, not work for mini-pcie.
The extend adapter card to protect the contact of the wireless card
PCB Card only. (not include Wireless Card)
The M. 2 connector has 75 positions, with pins on both the top and bottom edges. Pin numbering is from 1 to 75. Not all pins are used by all modules
the specific pins used depend on the module's keying and the interfaces it implements.