Comments about two of the three features of handheld devices, limited network bandwidth and small screen/body size, are given below:
The limited network bandwidth prevents the display of most multimedia on a microbrowser. Though the Wi-Fi and 3G networks go some way toward addressing this problem, the wireless bandwidth is always far below the bandwidth of wired networks.
The small screen/body size restricts most handheld devices to using a stylus for input.
The above figure shows a generalized system structure of handheld devices, which includes the following six major components: