The number of people using mobile phones as part of activities like communication, navigation, hiring services, etc has increased a lot. So, it is imperative to have good signal quality for the users and one of the best ways to ensure this is to use a cellular signal booster. These are devices that receive a weak carrier signal, amplifies it and retransmits it to your cellular devices. The coaxial cables used in this device have a significant influence on the quality of the output signal and it is determined by a property of the cable called impedance. Read on to know the importance of impedance in the performance of signal boosters.
What Is Impedance?
Impedance is the resistance to the transmission of a signal through the coaxial cable of a cellular signal booster, and it is measured in the unit of resistance, which is Ohm. A higher impedance value means higher resistance and vice versa. Usually, a 50-Ohm or 75-Ohm coaxial cable is used when installing signal boosters, shared below are details about these two types of cables.
50-Ohm Coaxial Cable
50-Ohm coaxial cables are the ideal choice for commercial installations because they are used for transferring data. It gives coverage to areas between 7,500 to 100,000 square ft and is very suitable for cell phone booster. They can send signals up to 100 ft of cable length. However, their biggest drawback is the thicker diameter of the cable and thereby larger housing units. Moreover, this type of cable is not very common and before installing the signal booster, you need to ensure that your building is pre-wired for this sort of cabling.
Most of the buildings and residential facilities are pre-wired with 75-Ohm coaxial cables as they are primarily used for audio and video. They usually provide a coverage area of 5,000 sq feet and are very suitable for small areas like homes or office spaces. Because they are very common in homes and business spaces, you can save a lot on cable wiring expenses. Moreover, they can send signals without issues for up to 50 ft of cable which is a very ideal length.
On a final note, selecting between the two types of cables depends on your requirement; for normal purposes, a 75-Ohm coaxial cable would be fine. But, if you want the best output from the cellular signal booster, you can go for a 50-Ohm coaxial cable. Also keep in mind that the antennas used have connectors specifically for either of the two types of cables mentioned above, the same goes for the connectors of signal booster also. Therefore, if you use different cables and connectors in the system, it can result in increased decibel loss.