n-RFi Monitor: 2.4GHz band and WiFi Analyzer Toolkit : r/hacking
Amazon.com: MUNBYN Portable Scanner, Photo Scanner for Documents Pictures Texts in 1050DPI, Flat Scanning, Included 16GB Card, Photo Scanner uses Built-in Wi-Fi or USB Uploads Images to PC or Cellphone, No Driver :
iScan02 WiFi Double Roller Mobile Document Portable Handheld Scanner with LED Display, Support 1050DPI / 600DPI / 300DPI / PDF / JPG / TF(White)
Amazon.com: Portable Wireless WIFI Scanner Linear Array Probe 7.5Mhz 80Elements 16Channel Connect to PC Tablet SmartPhone. iOS and Android Compatible for Farm Animals Cattle Horse Camel Equine Goat Cow and Sheep :