Patent ID: 7242917

Claim:
A mobile communication device comprising: radio frequency generation circuitry; a radio frequency feed point coupled to the radio frequency generation circuitry; a direct current voltage source coupled to the radio frequency feed point; an antenna detection module coupled to the radio frequency feed point and the direct current voltage source, wherein the antenna detection module is configured to detect a type of antenna coupled to the radio frequency feed point based on a detected direct current voltage; a parameter of operation adjustment module coupled to the antenna detection module, wherein the adjustment circuitry is configured to adjust a parameter of operation of the mobile communication device; and antenna matching circuitry coupled to the radio frequency feed point, wherein the parameter of operation adjustment module is configured to adjust the operation of the antenna matching circuitry based on the type of antenna detected by the antenna detection module; a ground; and an extra antenna sense point coupled to the antenna detection module, the extra antenna sense point located between the radio frequency feed point and the ground.