Hi, Your project is more or less simple, but there is some details to define:
1) raspberry pi wifi HW cant do wifi sniffer, you need a usb wifi device that has monitor mode, unless you want to use a firmware path update for the pi wifi chip, not the best solution but cheaper and no need the wifi usb device.
2) BT is not a problem.
3) Some OS setting need to be defined for the installation. ip addr, file location.
4) maybe you will need a GPS and a time clock source if the pi is not connected to the internet
Can you chat to check this details.
Thanks.
David