Not compatible with any other iPad models. Keyboard Case with Touchpad and Bluit-in Pen Holder:With multiple touchpad gestures and mouse button, you can work the tablet as a laptop. And the case is designed with a pen slot, you can also put your stylus pen in it.
eBay
Ajazz AK992 Wired Mechanical Keyboard 98-Key Full Layout Hot-Swap USB Gaming keyboard Multimedia Key Knob for Desktop PC Laptop
Aliexpress UK
You can adjust the iPad Air 4th/5th generation to your preferred angle and use the keyboard in any comfortable position on the desk.
eBay
AUSDOM Hola111 Mechanical Keyboard 2.4G Wireless Gaming Esports Home Office Keyboard 111 Full Key TTC PBT Keycaps For Windows PC
Aliexpress UK
QWERTY Layout: UK LAYOUT. Keyboard Finish: Original. Even though if the part number/model number is similar, the screw holes, tabs, the ribbon cable and even the layout may differ.
eBay
AJAZZ AK820 wired mechanical keyboard three-color key cap 75% RGB Gasket Full Key Hot Swap Esports Gaming Keyboard
Aliexpress UK
Not compatible with other models. When not in use, simply remove it for a lightweight carry. Bluetooth pairing is quick and stable, with instant reconnection when powered on.
eBay
Ak820 Mechanical Keyboard Wired USB 75% White Light Gasket Full Key Hot Swap Esports Gaming Keyboard Custom for Pc Laptop
Aliexpress UK
Discover the A1502 Laptop UK Keyboard designed for Apple Macbooks. This full-sized keyboard features a big Enter key for ease of use. Each product undergoes thorough inspection for quality assurance before shipment.
eBay
Wired Mechanical Gaming Keyboard with OLED Display Full Key Hot-Swappable Pudding RGB Backlit Keyboard for PC Computer Laptop
Aliexpress UK
From the looks however, they seem to be from the2009-2012 A1342 model.
eBay
Jomaa Russian Spain Wireless Keyboard and Mouse Combo 2.4G Full Size Silent Button Keyboard Mouse Set for Laptop PC Computer
Aliexpress UK
[Magnetic & Detachable Keyboard] The keyboard with easy-to-operate keys and stable Bluetooth connection can be attached to the cover with strong magnets, instantly turning your iPad into a laptop mode to improve the efficiency of working, learning or gaming.
eBay
JOMAA 2.4G Wireless Keyboard Mouse Combo RGB Backlit Rechargeable Full-Size Ergonomic Type-c Wireless Keyboard Mouse Set
Aliexpress UK
Enjoy peace of mind, knowing your keyboard remains pristine and perfectly functional. Flexible Silicone Keyboard Cover for MacBook Air 13". Designed exclusively for the MacBook Air 13" with Touch ID (Early 2020 model: A2179).
eBay
Wireless Keyboard Mouse Bluetooth 5.0 2.4G Combo Rechargeable Full Size Wireless Keyboard For Notebook Laptop Tablet iPad PC
Aliexpress UK