In a further embodiment, {HEAD ~ a variable antenna electrical length module} is provided with {TAIL ~ a control signal} for selecting a preferred antenna electrical length 
is provided with
In a further embodiment , { HEAD ~ a variable antenna electrical length module } is provided with { TAIL ~ a control signal } for selecting a preferred antenna electrical length
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH