Amazon.com : Wireless 2D QR Barcode Scanner with Stand 2.4GHz & USB Wired Barcode Reader Handhold Bar Code Scanner for Store, Supermarket, Warehouse : Office Products
How to Make 2.4 GHz band Scanner With NRF24L01 - Hackster.io
DELOCK 90507: Barcodescanner, 1D - 2D, 2,4 GHz - Bluetooth - USB at reichelt elektronik
Delock Products 90518 Delock 2.4 GHz Barcode Scanner 1D and 2D with charging station - 5 Languages