A connection adapter is arranged to intervene between a communication device for connection to a radio packet communication network and high-level equipment which performs communication via the communication device. The connection adapter controls to switch the communication speed of the communication device on the radio packet section, based on radio wave condition detected by the communication device and/or the length of IP packets transmitted from the high-level equipment.

 
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> Wireless facsimile adapter and system for printer and all-in-one devices and methods using the same

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