There are many components that go into a two-way radio, plasticware, internals, antenna, and so much more. One of the more vital components to a radio is the antenna which allows an individual radio to transmit and receive information. When a radio is transmitting, a radio will supply an electrical current to the antenna’s terminals allowing the antenna to radiate that energy in the form of radio waves. On the other side of the coin, when a radio is receiving data the radio will intercept the incoming radio wave to be amplified within the unit. There are many different sizes of radio antennas as well, primarily controls how far the radio units can be from a repeater or radio tower.

Radio antennas transmit information in an omnidirectional pattern, meaning that a radio will emit radiating energy somewhat equally in all directions. It is physically impossible to emit a perfectly uniform omnidirectional energy, while some antennas can emit a uniform radiation in a horizontal plane they will fail to do so in a horizontal fashion. Here are the two most common radio antennas:

  • Vertical Antenna
    • Also known as a whip antenna, monopole antenna
    • Radiates energy in all horizontal directions, but will send less energy upward or downward
  • Dipole Antenna
    • Basis for most antenna designs
    • A balanced component similar to a battery that has equal but opposite voltages and currents applied at each terminal end
    • Utilizes the ground or any large conductive surface will play the larger conductor role

One of the best ways to find the appropriate solution for your business is to detail your company’s perfect scenario for inter-team communication and our staff can find the radios and system. Schedule an appointment with our team and we can get your team connected!




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