TRAB4903P

Return Loss:	--
Applications:	--
Height (Max):	4.135" (105.03mm)
Mounting Type:	Panel Mount
Ingress Protection:	--
Termination:	Connector, N Female
Features:	--
Power - Max:	100W
Gain:	3dBi
Series:	Phantom®
VSWR:	2
Number of Bands:	1
Antenna Type:	Dome
Frequency Range:	490MHz ~ 512MHz
Frequency (Center/Band):	501MHz
Frequency Group:	UHF (300 MHz ~ 1 GHz)
Part Status:	Active
Packaging:	Bulk

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TRB4903P Application Field and Working Principle

RF antennas are used in many fields such as telecommunications, military, navigation, and more. They convert electromagnetic waves into electrical signals for user relays or transmissions. A trihedral corner reflector, or TRB4903P, is an important antenna in this category. It is a type of corner-reflector antenna that uses three triangularly disposed surfaces that are usually metallic to create a high-gain directional beam.The TRB4903P is typically used in space communications, radar, satellite communication, and earth segment communication. Compared with other traditional antennas, it provides a higher directivity, efficiency, coverage, and reception. It\'s also great for its low cost, simple design, and quick setup.The working principle of the TRB4903P is based on the corner reflector antenna. In a corner reflector antenna, the feed antenna is a small waveguide with the signal source at a particular frequency. The feed antenna is then placed at the focus of the corner reflector, the signal travels along a certain path and reflects off the three surfaces, and the resulting signal is projected outward towards the desired direction.The key point is that the reflection off the three corner surfaces creates a beam of radiation in three dimensions that is highly directional in nature. This is a result of the waves reflecting off the four surface edges of the triangular corner reflector while phase addition occurs between the two returns off the corners. This allows extremely high gain and directivity to be achieved by the corner reflector antenna, which is ideal for transmitting over a single axis.The TRB4903P also follows the same principles, but with a few variations in design that enhance its performance capabilities. The three reflecting triangular surfaces are split into two halves, making the antenna more capable of producing higher directivity. This increase in efficiency is the result of the two half splitting surfaces being able to reflect more than the single surface corner reflector.Additionally, the split surfaces enable two sources of illumination to be present, thus resulting in gains of up to 18 dB being achieved. The TRB4903P also features additional components, such as a parabolic reflector and an Iso-frequency waveguide, which ensure efficient broadcasting and reception of signals.Overall, the TRB4903P is an excellent antenna option for a variety of applications. It is incredibly easy to setup, requires minimal maintenance and is highly cost effective. Furthermore, its efficient use of space and wide operational range make it a popular choice amongst wireless communication systems and other RF antenna applications.

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