A portable encoded information reading (EIR) terminal for incorporation in a data collection system can comprise a terminal module communicatively coupled to a wireless interface module via a wired interface. The terminal module can include a central processing unit (CPU), a memory, and an encoded information...http://www.google.com.hk/patents/US7874483?utm_source=gb-gplus-share專利 US7874483 - Encoded information reading terminal with wireless path selection capability
