The present disclosure relates to antennas for wireless communications devices, and particularly, to antennas having {HEAD ~ parameters} tunable to optimize {TAIL ~ performance} 
tunable to optimize
The present disclosure relates to antennas for wireless communications devices , and particularly , to antennas having { HEAD ~ parameters } tunable to optimize { TAIL ~ performance }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL