memory 252 the memory 252 may be a programmable type in which nonvolatile storage can be electrically erased and reprogrammed further wireless alphanumeric section 236 includes a mobile power source 256 for providing electrical power via one or more batteries and the like transmitter 250 is also operatively coupled to control circuitry 237 for transmitting signals via an antenna 254 the signals are received by the host computer 100 or keyboard base 204 via receiver antenna 227 and 229 or other electronic equipment which is enabled to receive and process wireless signals for example the wireless signals may be received and processed by an appropriately configured wireless hub with reference to fig5 in one arrangement of keyboard system 200 wireless alphanumeric section 236 may be removably coupled via a signal interface connection 265 to provide electrical coupling and physical connections to keyboard base 204 in one such interface arrangement keyboard base 204 may be electrically coupled to wireless alphanumeric section 236 by way of a bus type arrangement for bi directional signaling and communications in a bus type arrangement data generated at the alphanumeric section 236 is transferred and processed by the keyboard base control circuitry 221 this arrangement allows for faster processing of generated signals from alphanumeric section 236 alternatively in another signal interface arrangement keyboard base 204 may be electrically coupled to alphanumeric section 236 by way of a serial type connection in these arrangements to provide mateable electrical connections conventional male and female electrical connectors.