eliminate disruptive electrical noise and harmful electrical spikes at the connection points the network is capable of carrying various types of electrical signals in addition to power the electrical signal specifications listed in table 2 1 are representative of the type of electrical signals that the invention is capable of transporting this list is not all inclusive table 2 1 examples of electrical signaling methods signal typical bandwidth ethernet l0 mbps l00 mbps usb 2 0 480 mbps rs 170 343 4 5 mhz rs 170a ieee 1394 firewire 400 mbps rs 232 c d and e 115 kbps ieee 1284 3 mbps from these we selected the universal serial bus usb version 2 0 specification to be used for the prototypes for both its high data rate and its compatibility with wearable data cabling usb 2 0 480 mbps capability is essential for high bandwidth visual communication such s 2 5 g and 3g rf wireless cellular and to transmit even vga video 740 u00d7 480 24 bpp 30 fps one usb connector can support up to 127 usb devices such as sensors digital cameras cell phones gps and pdas personal digital assistants the need to connect to a pc is completely eliminated for example a digital camera could transfer pictures directly to a printer a pda or microdisplay and become in effect a miniature pc the usb protocol supports intelligence to tell the host what type of.