VSWR:	1.5
Applications:	--
Height (Max):	--
Mounting Type:	Base Mount
Ingress Protection:	--
Termination:	Connector, NMO
Features:	--
Gain:	2dB, 5dB
Return Loss:	--
Series:	--
Number of Bands:	2
Antenna Type:	Whip, Straight
Frequency Range:	144MHz ~ 148MHz, 440MHz ~ 450MHz
Frequency (Center/Band):	146MHz, 445MHz
Frequency Group:	VHF (f
Part Status:	Active
Packaging:	Bulk

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CB144/440C Application Field and Working Principle

Introduction

The CB144/440C is an antenna designed specifically for use in the broadcast and commercial radio spectrum. It is a broadband vertical antenna with a wide frequency range, from VHF/UHF through to the lower end of the SHF bands. It has a maximum gain of about 8dB, and provides good overall performance and efficiency. The CB144/440C is also called the "gipper" due to its unique wide-frequency coverage. It is an omnidirectional antenna which is relatively easy to install. It is often used for base and mobile stations, local FM broadcast, HF and VHF/UHF communications as well as for shortwave use. It is also a popular choice for citizens\' band type operations.

Application Fields

The CB144/440C is commonly used in the broadcast and commercial radio spectrum. Radio hobbyists use it for AM/FM transmissions, broadcasting and reception, VHF/UHF communications, shortwave reception, and citizen\'s band type operations. It is also used by some military and government organisations, for legal and lawful radio transmission activities. It is also used by mobile application service providers, such as mobile phone companies, and is becoming increasingly popular for amateur operators.

Design

The CB144/440C is a vertically polarized, wide-band antenna. It is omnidirectional, meaning that it radiates an equal signal strength in all directions, even up and down. The antenna is made up of four panels. The top and bottom panels are approximately 36" long x 6" wide, and the side panels are approximately 13" long x 6" wide. The design of the antenna is such that it has a high directivity in both the vertical and horizontal planes, allowing for a wide range of frequencies to be covered. The antenna also has a high gain of up to 8dB, giving it a distinct advantage over other similar antennas.

Installation

The CB144/440C is relatively easy to install. It can be mounted on a tower, rooftop, or wall. It can even be installed on a mobile platform, such as a vehicle, allowing for quick deployment if needed.Before installation, the appropriate antenna mounting bracket should be used to ensure the antenna is installed correctly and securely. The antenna should also be connected to a suitable grounding block to ensure maximum performance.

Working Principle

The CB144/440C antenna works by radiating electromagnetic energy from the radiating element into the surrounding environment. This energy is then picked up by the receiving antenna and converted into radio waves, which can be transmitted or received by the transmitting and receiving equipment.The frequency range of the antenna is dependent on the size of the radiating element. As the size of the element increases, the frequency range increases. The shape of the element also plays a role in the frequency range, with a wide variety of shapes being possible. For example, the antenna could be configured as a dipole, a monopole, a quad, or even a turnstile, depending on the type of signal being broadcast.

Conclusion

The CB144/440C is a versatile, wide-frequency antenna suitable for a range of different applications. It is relatively easy to install and provides good overall performance and efficiency. It is commonly used for broadcast and commercial radio applications, as well as by government and military organisations for lawful transmissions. Whether it is being used for FM broadcast, HF/VHF/UHF communications, shortwave reception, mobile applications or just for recreational use on the citizens’ band, the CB144/440C is a great option for anyone looking for a good antenna with a wide frequency range and good performance.

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