If you’ve ever wondered why cellular modems have multiple antennas, you’re not alone. These devices offer a variety of benefits, from increased link capacity and spectral efficiency to increased roaming reliability. Learn why these features are essential to improving the overall end-user experience.
Multi-band antennas are ideal for roaming
Multi-band antennas are a great solution to roaming connectivity problems, as they support multiple cellular carriers and can maintain a connection while traveling. These antennas use a single connector to connect to multiple cellular systems, allowing for seamless switching between cellular technologies and frequencies.
Cellular networks use several frequencies and are designed to support many different types of devices. These networks are built at scale, which allows coverage of a large geographic area. Because of their large capacity, they can support a variety of mobile and fixed devices. In a roaming situation, the cellular signal moves from base station to base station. Over the years, cellular antennas have become smaller and require less energy to transmit data.
Cellular multi-band antennas are manufactured using high-quality materials. These antennas are compliant with the Environmental Protection Agency’s Guidelines for the Use of Electro-Electronic Equipment (EEE) and with European Union legislations prohibiting the use of certain hazardous substances in electronics. They also comply with conflict minerals regulations, including Section 1502 of the Dodd-Frank Act.
Increased link capacity
Multiple antennas increase link capacity of cellular phone modems by reducing their size. They are also beneficial for extending coverage and signal quality. With multiple antennas, cellular modems can be more flexible and save energy. Moreover, they improve the security of the cellular network.
The ability to increase link capacity of cellular phones depends on the technology used to transmit data. MIMO wireless technology enables multiple transmit antennas. This technique improves the reliability, spectral efficiency, and link capacity by breaking up a single data stream into several streams and sending them out over several antennas.
In the field of wireless communications, MIMO antennas are essential for data transmission. We rely on cell phones and cellular hotspots to stay connected, but a weak cell signal can make it difficult to get online or maintain a stable connection. Multiple antennas increase the link capacity of cellular modems and increase the speed of data transmission.
Spectral efficiency
Cellular modems are used to send data over the mobile network. The spectral efficiency of these devices depends on the way they use the spectrum. For instance, a single high-baud-rate wavelength is more efficient than many low-baud-rate wavelengths. The system can also make use of super-channels or squarer frequency-domain shapes, which reduce the waste of spectrum.
Spectral efficiency can be measured in different units, including the number of simultaneous phone calls per MHz of spectrum. The efficiency can be measured for a cell, a site, or a whole region. It can also be measured by the number of simultaneous calls made and received within a given range of a given frequency.
Improved link reliability
Cellular modems with multiple antennas improve the link reliability of mobile devices by extending coverage and signal quality. Additionally, multiple antennas require less power and fit in a smaller space, which increases the flexibility of the device. This design also increases the security of the cellular network.
The MIMO antenna design improves link reliability and data throughput by using multiple antennas at the transmitter and receiver. This improves overall communications, especially in critical situations like public safety. For example, police vehicles with multi-frequency police antennas can support GPS satellite positioning and 700 MHz LTE high-speed data transmissions over 4G cellular networks. They can also support features such as voice and push-to-talk.
Multiple antennas also improve link reliability and can reduce the possibility of multipath. Each antenna will experience a different interference environment, allowing the device to provide a more robust link. This technology is most common in receiving systems, but it’s also found in transmitting systems.
Spectrum availability
The availability of cellular modems with Spectrum internet service depends on your location. The internet provider offers service in 41 states, but not in every area. You’ll need to look for coverage and pricing before signing up. For those who live in dense areas, you can look for a plan that’s available in your area.
Another benefit to Spectrum internet service is that it doesn’t have data caps, which means your internet speed will be unaffected if you go over your monthly data limit. You’ll also find that your internet connection won’t be restricted to certain hours or speeds, and you won’t have to pay for an extra modem. You’ll also find that the modem rental fees are included in the monthly price, and you’ll be able to upgrade your modem if you want to.
