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0.6m 27.5~29.5GHz Separated Dual-polarized Microwave Antenna SLA0628D3S00B20

Model Number: SLA0628D3S00B20

Electrical Specifications

Frequency (GHz) 27.5~29.5

Polarization Dual (V & H)

Gain , Low(dBi) 42.5

Gain, Mid(dBi) 42.8

Gain, Top(dBi) 43.2

Beam Width 1.2°

Cross-pol. Discrimination_XPD (dB) 30

F/B Ratio (dB) 69

ISO.(dB) 35

VSWR / RL (dB) 1.3/17.7

Regulatory Compliance ETSI EN 302217 Range 4 Class 3

Description
Knowledge

What is a directional antenna? A directional antenna is an antenna that receives or radiates higher energy in certain directions allowing better performance and lower interference from unwanted sources than other antennas. These antennas are used by utilities companies to increase transmission efficiency by directional nature and also are often used in telecommunications systems to receive and transmit signals from cell sites. There are two common types of a directional antenna, U.S. style directional antenna and European style directional antenna. The former is a much smaller antenna as compared to the latter; however, the former is often used to decrease power consumption in mobile devices such as cellular phones and portable laptops.

How does a directional antenna work? The most popular directional antenna in use today uses an electronically scanning antenna which either receives or transmits the radio waves in a particular direction. These antennas can be used in many of the same applications in mobile electronics that were used earlier with traditional antennas and receive only or mostly receive signals in one particular direction.

Why should you choose a directional antenna? Well, if you are looking at improving your wireless connection, then the answer would definitely be yes. With the advent of new wireless technology, WiMax and other newer technologies, a WiMax enabled device can be used in places where traditional Wi-Fi devices cannot be used. In some cases, people choose a directional antenna for its higher transmission efficiency especially for businesses. Also, these types of antennas are great if you want to improve the performance of your communication device and want to make sure that the signals are received well even in a particular area.

How are directional antennas used? Typically, these antennas are used in areas where WiMax or other high speed broadband technologies have been deployed. These antennas will receive signals from these high speed broadband services in one particular direction. For example, if you are in a town that has WiMax, then directional antennas will send your phone requests or your television channels to certain service providers in that direction, so that you get the best reception.

The reason why this type of antenna works better is because it receives the signals from WiMax technology in one direction. On the contrary, a traditional antenna receives its signal in more than one direction. As a result, you may find that some of your signals become obstructed in one direction and some get blocked in another direction.

So which omni directional antenna works better? It depends on how you are using it. If you are using your WiMax service in your house or flat, then the omni-directional antennas are probably the best. These are perfect as long as you are not living in a rural area. If you are going for a WiMax modem in your office, then you will definitely need the omni directional antenna since these are more prone to physical challenges. In both cases, an omni-directional device is the perfect solution.