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Signal Booster News

Wavelength Division Multiplexing (WDM) Increases Network Capacity

May 03, 2016

Wavelength Division Multiplexing (WDM) Increases Network Capacity

WDM is a method of separating or combining multiple wavelengths out of or into a single fiber strand with each wavelength carrying a different signal. Using optical filters lets a certain range of wavelengths pass through, while another range is allowed. Thin-film filter technology (TFF) is often used to achieve this effect. Multiple thin layers are stacked and interference effects are created by sequential reflections on the interface between the layers. This lets light reflect for certain wavelengths and pass through for others. The capacity of a network can be increased cost effectively by using WDM. Two types of WDM...

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Internal Smart Bias Tee Capability of Base Station Antennas

May 02, 2016

Internal Smart Bias Tee Capability of Base Station Antennas

Remote electrical tilt (RET) is a base station antenna capability that enables RET operators to alter the direction of their antenna beams remotely. This allows them to adjust their networks without having to move the antennas physically or climb up a cell tower. It is done using electrical equipment, and standards have been established by the Antenna Interface Standard Group (AISG). An AISG controller is connected to antenna line devices (ALDs) with a smart bias tee and the signal is transmitted up the tower using the feeder line. Normally, the AISG controller is located near or at the base station.  It...

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What is strong and weak signal in dBm for 3G vs. 4G?

Apr 29, 2016

What is strong and weak signal in dBm for 3G vs. 4G?

Having an accurate measurement of signal strength in decibels (dBm) is crucial when installing your cell phone signal booster system. Decibels accurately measure the signal strength you are receiving. How do you measure it? How to measure signal strength in dBm on iPhone: Dial *3001#12345#* then press Call. Hold down power button until you see, "Slide to Power Off". Then release the power button. Hold the Home button until your main screen appears. If you want to check 3G/1x network signal strength but your iPhone is picking up 4G/ LTE signal, go to Settings > Cellular > Cellular Data Options...

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Blown Fiber and Jetted Fiber DAS Installations

Apr 13, 2016

Blown Fiber and Jetted Fiber DAS Installations

Blown Fiber and Jetted Fiber are two new terms we're hearing in wireless networking industry regarding DAS installations. These terms are used to describe the use of compressed air when placing microfiber cable. Both these terms suggest that the microfiber is being pushed or propelled by air through a microduct; However, "air lubrication" would possibly be a more appropriate phrase. Jetted Fibers and Blown Fibers in distributed antenna systems (DAS) help push fiber deeper into the network to increase bandwidth and keep construction costs down to allow for future expansion. Air is used as a means of reducing friction between...

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Changing Wireless Networks from 2x2 MIMO to 4x2 MIMO

Apr 12, 2016

As we see consumers drive usage even higher, so too are we seeing the demands for wireless data. Therefore, with limitations on capital and operating budgets, the challenge today is to efficiently utilize existing assets. In a recent paper by Mohamed Hamdy, he wrote about one specific option available to network operators, and that is - adding more sectors at macro sites by using multibeam antennas. His "Multibeam Antennas Planning - Limitations and Solutions" white paper considers both technical challenges and possible solutions to deploying multibeam antenna. Multibeam antennas can increase the capacity of a site by reconfiguring a 3-sector...

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