A USB port is optional for all, as is a landline modem. All will Hot Sync. Palm VII models have integrated wireless modems for optional wireless service. NotePad, letting you scribble on the screen and attractive price. Runs on 2 AAA batteries.
Cradle is optional.
Palm m105 - Everything the same as m100 except the m105 has 8 MB of memory. Both have infrared ports and HotSynch capability. Both have wireless software but not the accessories. Wireless hardware is optional. They're ready with Palm Mobile Connectivity software.