This little antenna seems to meet the advertised requirements for increased gain (compared to a rubber ducky antenna, of course, which comes with the delivered mobile device). This seems like a good value for 3 bands, although I haven't tested the field strength on the 220 band. It appears that the operator's body (or at least the hand) is used for part of the other end of the dipole, which is typical of HT antennas. (Field strength tests have shown this).
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