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Application Range of Common Used Radio Frequency (RF) Bands

Views:233     Author:James Wu     Publish Time: 2020-08-26      Origin:Site

Radio Frequency (RF) is the lowest portion in the electromagnetic spectrum familiar as a medium of analogue and modern digital wireless communication system. It spreads in the range between 3 KHz and 300 GHz. All known transmission systems works in the RF spectrum range including analogue radio, aircraft navigation, marine radio, amateur radio, TV broadcasting, mobile networks and satellite systems. 

Radio Frequency Bands

But today let's talk about some common used Radio Frequency (RF) Bands:


NFC: 13.56MHz, short-range wireless communication technology, evolved from contactless radio frequency identification (RFID), mainly used in financial payment, transportation, advertising, book publishing and other markets;


FM: International frequency band 76-108MHz, China 88-108MHz, Japan 76-90MHz; in fact, FM is also a modulation method, even can be 27-30MHz in the short-wave range, used as amateur radio, space, satellite bands for communication applications;


Antenna, Remote control: 315MHz (China), 433MHz, 868MHz has the characteristics of long communication distance and wide coverage, mainly used in the smart home market;


DVB: 460-870MHz, which is the digital TV frequency band;


LoRa: 433/470-510/868/915MHz. LoRa technology has the characteristics of long distance, low power consumption (long battery life), multiple nodes, and low cost.


RFID: China 840-845/920-925MHz. Taiwan 922-928MHz. Hong Kong 865-868/920-928MHz.  Europe 865.6-867.6MHz.  United States 902-928MHz. Japan 952-954MHz. South Korea 908-910, Canada 910-914MHz, Mexico 902-928MHz. 


Also known as radio frequency identification, it is a communication technology commonly known as electronic tags. Radio signals can be used to identify specific targets and read and write related data without the need to establish mechanical or optical contact between the identification system and the specific targets. Suitable for short-distance identification communication.


NB-IOT: Narrow Band Internet of Things (NB-IOT) is a technical standard defined by the 3GPP ("3rd Generation Partnership Project Agreement") standardization organization, and is a narrowband RF technology designed  specifically for the Internet of Things,which is commonly used in smart parking lots, smart meter reading, logistics trackers, etc.


Frequency-bands-1

2G: 850/900/1800/1900MHz, the abbreviation of the second-generation communication technology, with digital voice transmission technology as the core.


Bluetooth: 2.4~2.485GHz, to realize short distance data exchange between fixed equipment, mobile equipment and building, wireless personal area network


WiFi: 2.4G or 5.8G; the advantage of 2.4G is that it has strong anti-attenuation ability and good wall penetration ability, but the interference is too much and the stability is slightly poor; the advantage of 5G is that it has strong anti-interference ability and high throughput rate, but the wall penetration ability is poor, large signal attenuation


3G: 850/900/1800/1900/2100MHz, short for third-generation communication technology, supports high-speed data transmission.


4G: 700-2700MHz, the abbreviation of the fourth generation of communication technology, has an ultra-high data transmission speed, which is the cornerstone of high-speed dialogue of IoT devices.


5G: 3300-3600MHz and 4800-5000MHz, 5G network will be a truly upgraded version of 4G network, it will not completely replace 4G / WiFi, but will integrate 4G, WiFi and other networks into it to bring users more abundant experience.

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