Dual-band GSM/PCS Handset Antennas

A new dual-band antenna set that uses a descending- pitch helical configuration to overcome the problem of a helical antenna tuned and matched to the PCS at 1800 MHz that has too much of a capacitive component at GSM frequencies
Dual-band GSM/PCS Handset Antennas Ace Antenna Co. Chatsworth, CA Today's new cellular telephone must be capable of operating in two distinct frequency bands to be compatible with the various operating systems it is likely to encounter. As a result, the unit's single-handset antenna must perform efficiently and effectively within...
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