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How much do you know about LoRa and NB-IoT

2018-01-20 18:13:47
As a low-power WAN communication technology,LoRa offers long-range,low-power and low-cost solutions for battery-powered IoT applications.Based on such technical characteristics, LoRa network mainly consists of terminals (built-in LoRa module),gateway (or base station),server (Server) and cloud.The most important point is that application data can achieve bidirectional transmission,Easily integrated into existing network infrastructures for greater coverage than cellular mobile networks,while technology has end-to-end AES128 encryption to track assets without the use of GPS.

In contrast,NB-IoT (Narrow Band Internet of Things,also known as narrowband Internet of Things),a standard defined by the 3GPP standardization organization,which is a narrowband radio frequency technology designed for the Internet of Things.NB-IoT is more dominant for the completion of real-time,large amount of data transmission.

The application of the Internet of Things needs to consider many factors,such as network cost,battery life,data transfer rate (throughput),network coverage and type of deployment,it is clear NB-IoT and LoRa two technologies have different technical characteristics,Broad coverage,low speed,low cost,low power consumption and other characteristics,which are suitable for low-power Internet of Things applications and they are also actively expanding their own ecosystems.

In communication distance,NB-IoT compared to other low-frequency wide-area propagation technology,the link budget can reach 20dB increase in open environment,signal coverage can be increased seven times.Among them,20dB is equivalent to the loss of the signal passing through the outer wall of the building.The coverage of NB-IoT in the indoor environment is relatively better,and the general communication distance can reach 15km. LoRa can provide a maximum link budget of 168dB. Generally speaking,the range of wireless distance is 1-2 km in the city and 20 km in the suburbs.

Omni sharing bike lock have successfully iterated to incorporate LoRa devices and radio frequency technology (LoRa technology) into our smart bicycle locks,complementing their licensed spectrum connectivity options for complete network connectivity,even in remote areas and densely populated buildings. Shenzhen Omni Intelligent Technology Co., Ltd is a pioneer in the field of Internet of Things (IoT) and has led the application of NB-IoT, NFC,BLE and other IoT technologies.Omni is specialized in the products of wireless communication,artificial intelligent,sensor technology,which is a national high-tech enterprise integrated the development of hardware,software and system solutions.