Radio and Electronics Today

A—Designed to send and receive radio messages in trucks, taxis, fire trucks, police cars and civil-defense passenger cars, this lightweight unit can be installed quickly by plugging it into a cigarette-lighter outlet to obtain the necessary six volts for operation. It is available in either a variable or fixed-frequency model and may be operated on various wavelengths. It has a power output of about four watts and -a range of approximately 20 miles. It also may be used on a standard 115-volt 60-cycle a.c. line