SB698SMA12

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An RF antenna is an electrical device which is used to convert the area of electrical waves or current, namely power from transmitters, into electromagnetic radiation in space. It basically acts as a conduit that allows a user to send or receive signals from distances. SB698SMA12 is an RF antenna whose application fields and working principles will be discussed in this paper.

The SB698SMA12 is an omnidirectional antenna designed for wireless outdoor applications such as point-to-multipoint system, base station, mobile phone, and remote sensing. It operates in the 690MHz–960MHz frequency range with cellular frequencies up to 860MHz. This means that it can be used in urban and rural areas, allowing users to access the full range of wireless technologies.

The main applications of the SB698SMA12 are wireless access point, 3G and 4G (LTE, Wi-Fi, and CDMA) mobile phone base station, and wireless repeaters. For wireless access points, two separate antennas can be deployed, one at the base station and another at the remote location, to maintain optimal signal coverage. For mobile phone base stations, the omnidirectional antenna can be used to quickly establish a wireless network coverage within a few kilometers. The antenna is also used in wireless repeaters to catch signals from far away for boosting the signal quality and power.

The SB698SMA12 functions according to the principles of electromagnetic radiation. This means that the antenna emits and receives electromagnetic waves which propagate through the atmosphere in an omnidirectional manner. As the waves travel through air, they are impacted by obstacles such as trees and buildings which reduce their strength. As the signal strength decreases, the antenna needs to be properly aligned to the point of origin of the signal in order to capture the signal with maximum efficiency.

The radiating element of the antenna is the main component responsible for sending and receiving signals. It is a stainless steel whip which is connected to the feeder cable. The whole structure is surrounded by a dielectric foam. The antenna has an impedance of 50 ohms and a high gain of up to 8dBi. The cable is waterproof and is designed to last long even in harsh environment.

The SB698SMA12 antenna is highly suitable for outdoor applications thanks to its rugged construction, broad coverage and capacity, and high gain properties. It is an ideal choice for setting up a wireless network that requires minimal interference and maximum coverage. Moreover, its wide frequency band makes it suitable for a range of applications where high speed and long distance coverage is necessary.

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