Kenwood's low profile helical antenna, KRA-22M2, fits a wide range of portable radios. With its short stature it will avoid poking you in the back. It has a frequency range of 162 to 174 MHz.
For use with the following models: NX-200, NX-220, TK-5210, TK-5210G, TK-5220, TK-2140, TK-2160, TK-2170, TK-2180, TK-2200L, TK-290, TK-280, TK-2160 and the TK-2360.
1 year warranty