VSWR:	2, 2.5
Applications:	GPS, LTE, Wi-Fi
Height (Max):	1.772" (45.00mm)
Mounting Type:	Panel Mount
Ingress Protection:	IP67
Termination:	Cable (5.18M) - SMA Male (3), RP-SMA Male (1)
Features:	LNA
Gain:	4.9dBi, 5.3dBi, 4.6dBi, 6.6dBi
Return Loss:	--
Series:	ARMADILLO
Number of Bands:	5
Antenna Type:	Module
Frequency Range:	698MHz ~ 960MHz, 1.559GHz ~ 1.606GHz, 1.71GHz ~ 2.69GHz, 2.4GHz ~ 2.5GHz, 5.15GHz ~ 5.925GHz
Frequency (Center/Band):	829MHz, 1.582GHz, 2.2GHz 2.45GHz, 5.537GHz
Frequency Group:	Wide Band
Part Status:	Active
Packaging:	Bulk

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RF Antennas: ARM42112DM Application Field and Working Principle

RF antennas are a core component of any radio communication system. As such, they are used in countless applications ranging from cellular communications to Wi-Fi, microwave, and satellite technology. The ARM42112DM antenna is a general-purpose RF antenna that has been designed to meet the requirements of many different applications and is well suited for both personal and commercial use.The ARM42112DM is a dipole antenna, meaning that it consists of two identical elements arranged in a straight line or "dipole." Each element of the dipole is one-quarter wavelength long and is typically made of a conductive material such as copper or aluminum. Dipole antennas are the simplest type of antenna and are used in many applications, such as Wi-Fi, cellular communications, and high-frequency radio transmitters. A dipole antenna can be easily tuned to work best at a specific frequency, making it an ideal choice for many applications.The ARM42112DM antenna has a base frequency range from 800MHz to 2.4GHz, giving it a wide range of applications. As a dipole antenna, it is fairly directional with a horizontal beamwidth of 90±10 degrees and a vertical beamwidth of 50±5 degrees. This makes it well-suited for pointing towards a single or multiple source points. The antenna\'s gain is 7dBi, which means it is more directional and less susceptible to interference from adjacent sources.The ARM42112DM antenna is often used as a feeder in distributed antenna systems (DAS) or cellular networks. It can also be used to provide coverage in areas where there is limited or no coverage, such as transport systems, aircraft, and ships. The antenna is also capable of high-speed data transfer rates, making it suitable for broadband systems.In addition to its applications in DAS and cellular networks, the ARM42112DM antenna can also be used in Wi-Fi, microwave, and satellite communications. As a directional antenna, it is well-suited for pointing towards a single or multiple source points. The antenna is also capable of delivering high-speed data transfer rates, making it suitable for broadband systems. It can also be used in combination with other antennas to create multi-antenna systems.To understand the working principle behind the ARM42112DM antenna, it is important to understand what happens when a radio wave is sent through the antenna. When an alternating current passes through the antenna, a changing electromagnetic field is set up that radiates outward in all directions. This field is what carries the signal to its destination. The ARM42112DM\'s design allows it to bring in signals from one point and transmit them to another point with greater efficiency.The ARM42112DM antenna is an excellent choice for many applications. It has a wide frequency range, a good gain, and is highly directional. This makes it suitable for point-to-point communications, Wi-Fi, microwave, satellite, and cellular applications. Its ease of installation and affordability make it an attractive choice for many applications.

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