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Comprehensive interpretation of NB-IoT
Source:Original | Author:C&T RF Antennas Inc | Publish time: 2018-11-03 | 4578 Views | Share:


Low power consumption: Low power consumption is an important indicator of IoT applications, especially for some equipment and occasions where batteries cannot be replaced frequently, such as various types of sensing and monitoring equipment installed in remote areas of mountainous wilderness. Once the smartphone is charged on a daily basis, the battery life of up to several years is the most essential requirement. NB-IoT focuses on small-data-rate and low-rate applications, so the power consumption of NB-IoT devices can be very small, and the device lifetime can be significantly increased over the past few months to several years.


Low-cost: Compared to LoRa, NB-IoT does not need to be rebuilt, and RF and antennas are basically multiplexed. Taking China Mobile as an example, there is a relatively wide frequency band at 900 MHz. It is only necessary to clear out a portion of the 2G frequency band, and it is possible to directly deploy LTE and NB-IoT simultaneously. Low speed, low power consumption and low bandwidth also bring low-cost advantages to NB-IoT chips and modules. The expected price of the module does not exceed $5.


However, NB-IoT still has its own limitations. In terms of cost, the NB-IoT module is expected to fall within 5 US dollars in the future, but currently, the price of chips supporting Bluetooth, Thread, and ZigBee is only around US$2. The price of chips supporting only one of the standards is less than 1. The huge price gap will undoubtedly create concerns for companies deploying NB-IoT.


In addition, most of the Internet of Things scenarios such as smart door locks, data monitoring, etc. do not require real-time wireless networking. They only need near-field communication or can be completed through wired methods. Is NB-IoT good value for money?


Third, NB-IoT's industrial chain

Compared with traditional industries, the industrial ecology of the Internet of Things is relatively large and needs to be analyzed from the two dimensions of vertical industry chain and horizontal technical standards.