Here’s one of the old modems from my spares bin, a Vodafone Mobile WiFi R207. This is just a rebranded Huawei E5330. This unit includes a 3G modem, and a WiFi chipset, running firmware that makes this a mini-router, with NAT. The back has the batter compartment & the SIM
This is the control unit for a Routemaster system, that downloads traffic information for the area local to the vehicle. Here is an overview of the unit, in it’s aluminium box. Here is the unit with the top cover removed, showing the pair of PCBs.
Here is a more modern phone, the Motorola V360v. Features include Dual screens, 640×480 VGA camera, full col our TFT Main LCD, SD-Micro slot. Here on the back the grey scale LCD can be seen, with the camera lens to the right of the Motorola logo Here the phone is
Here is a phone from the mid 90s, the Ericsson GA628. Here visible is the front of the unit with keypad, & single line monochrome LCD for number display. Here the battery is removed from the phone, showing the SIM card socket. At the top under the antenna stub is