SAETT OCH ANORDNING VID BEDOEMNING AV KVALITETEN PAA MOBIL DATAKOMMUNIKATION

摘要

An apparatus for judging the quality of mobile data communication has: (1) a unit for amplifying an incoming electric wave and detecting the strength of the received electric field; (2) a data communication judgement unit for previously setting a limit of data communication, and comparing the reference value with an output from the electric field strength detector unit (3) a visible display unit for visually displaying the received electronicfield signal when the strength of the received electric field is more than the judgment reference value; (4) a digital output terminal for outputting a digital control signal to control a modem; and (5) an audible tone generator for producing a continuous tone or an intermittent tone from a speaker to clearly inform an operator of the quality of the data communication when the strength of the received electric field is less than the judgment reference value.