Nordic's upcoming nRF91 series of low-power cellular IoT solutions made a strong impression at an event in Oslo, Norway. In addition to the local showcase, the nRF91 family was also demonstrated running on Verizon’s wireless network in the U.S. and Telia’s network in Norway. This global demonstration highlights the versatility and adaptability of the platform across different regions and carriers.
The main objective of the Nordic nRF91 series is to unlock the full potential of cellular technology, making it more accessible and appealing to a broader range of applications. While current cellular networks are optimized for high-speed data transmission in smartphones and tablets, the nRF91 series aims to take cellular connectivity beyond mobile devices. It’s designed to bring innovation to the Internet of Things (IoT) by enabling seamless communication between any device, anywhere.
Designed with simplicity and ease of use in mind, the nRF91 series follows in the footsteps of Nordic’s successful nRF5 series, which revolutionized Bluetooth technology and helped drive its adoption in new markets. The nRF91 series not only sets new standards in integration, size, and power efficiency but also makes it easier than ever to implement cellular connectivity in IoT devices. Its compact design and robust features make it ideal for a wide range of applications—from smart meters to wearable sensors.
At the heart of the nRF91 series is a highly integrated, low-power LTE-M/NB-IoT system-in-package (SiP). This advanced SiP includes everything needed for cellular connectivity in a single 16x1.2mm package: a data modem, transceiver, RF front end, dedicated application processor, Flash memory, power management unit, crystal oscillator, and all necessary passive components. This level of integration brings together the advantages of traditional cellular modules—such as remote monitoring and secure authentication—with unmatched ease of use and a form factor that’s among the smallest in the industry.
With this powerful and compact solution, Nordic is helping to shape the future of cellular IoT, making it easier for developers to create innovative, connected products that can operate reliably in even the most demanding environments.
RCA Cables
RCA Cables can be used to connect a variety of audio and video devices, such as camcorders, to TVs or stereos to speakers. Most high-end camcorders have all three RCA jacks, so the signal entering or leaving the device goes through three separate channels-one video and two audio-resulting in a high-quality transfer. Lower-end camcorders usually have only one jack, called a stereo jack, which combines all three channels. This results in lower-quality transfers because the signal is compressed. In either case, RCA cables transmit analog, or non-digital, signals. Because of this, they cannot be plugged directly into a computer or other digital device. RCA cables connect amplifiers to all sorts of devices.
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Quality of RCA Cables
Several factors affect the quality, price, and performance of RCA cables:
Materials: The connectors on RCA cables are often gold, silver, or copper. As you might expect, the gold connectors are the most expensive. They're also better than silver and copper connectors at preventing oxidation, but not as good at electrical conductivity. The silver connectors are best for electrical conductivity with the copper cables coming in a close second and the gold cables falling far behind. Other suitable materials are nickel, zinc, and tin.
Cable Length: Cable length has a negative effect on signal quality. Buy a cable that is only as long as you need it to make the connection for the best signal quality.
Shielding: A well-shielded cable delivers a better signal than one that lacks robust shielding.
The other end of the cable: If possible, match the material used in the other end of the cable to the material used in the connectors. Don't match tin with gold or silver with gold. Those combinations can cause problems because of an electrolytic reaction.
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