set several exercises intended to be done in series; "he did four sets of the incline bench press"
transmitting aerial,
aerial,
antenna one of a pair of mobile appendages on the head of e.g. insects and crustaceans; typically sensitive to touch and taste
jammer a transmitter used to broadcast electronic jamming
radio transmitter transmitter that is the part of a radio system that transmits signals
A sender was a circuit in a 20th century electromechanical telephone exchange which sent telephone numbers and other information to another exchange. In some American exchange designs, for example 1XB switch the same term was also used to refer to the circuit that received this information. The corresponding device in the British director telephone system was called a "director" and, in other contexts, "register".
