Nordic's upcoming nRF91 series of low-power cellular IoT solutions, in addition to an event in Oslo, Norway, showcased the nRF91 family running on the Verizon wireless network in the US and the Telia network in Norway. element.
The goal of the Nordic nRF91 series is to realize the unique value of cellular technology, bringing simplicity and attractiveness to the wider market. Today's cellular technology is designed to meet the high data rates of smartphones and tablets. The goal of this solution is to make cellular technology go beyond mobile devices and promote innovation, enabling cellular technology to connect to anything you can imagine. on.
The series is designed for easy implementation of cellular connectivity, just as Nordic's nRF5 series is designed to drive innovation in Bluetooth wireless technology and promote adoption in new markets. In addition to establishing new benchmarks in terms of integration, size and power consumption, coupled with its ease of use, the nRF91 series has been designed to develop the huge potential of cellular technology in the Internet of Things to easily implement cellular technology and is suitable for use in Everything.
The front end and center of this series is an integrated low-power global multi-mode LTE-M/NB-IoT system-in-package (SiP). The SiP integrates a complete low-power cellular IoT system into a tiny 10&TImes embedded with a data machine, transceiver, RF front end, dedicated application processor, Flash memory, power management, quartz oscillating body and passive components; In a 16x1.2mm package. This level of integration allows the nRF91 SiP to combine all the benefits of traditional cellular modules, including remote monitoring and cellular authentication, with ease of use, unprecedented integration, and the smallest form of the honeycomb technology industry to date.
Education Projector
Educational projectors are mainly aimed at classroom teaching by school teachers; traditional projectors are not easy to carry. Due to the naughty students in school classrooms, projectors are not safe to place in classrooms and are easily damaged by students. The portability of educational micro-projectors makes up for teaching Vacancy, it is convenient for teachers to give lectures and only need to store the materials in the projector and show them to students for teaching, saving the trouble of textbooks and handwriting with pens and chalks. Its general weight will not exceed 0.2Kg, and some do not even need fan cooling or ultra-small silent fan cooling.
Educational projectors need to have:
1. Clear handwriting Educational projectors most often display text and images, at least a resolution of 1024*768 or more, and a contrast ratio of more than 3000 lumens, so that students in the back row can see the projection clearly
2. Short-focus large screen;
3. Accurate color;
4. Easy operation;
5. Features such as multiple connection methods.
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