Article List
- What are Radio Frequency Bands and their Applications?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, which include ELF, VLF, LF, MF, HF, VHF, UHF, SHF, EHF. It is a broad spectrum and many characteristic has not been experimented yet.FAQ May 10, 2021
- Is there any RF Module can replace Ai-Thinker's Ra-01 LoRa Module?If you are using Ai-Thinker's Ra-01 LoRa Module, and trying to make some replacement without change your PCBA. I guess you can try DreamLNK's M-SX1278S2 LoRa Transceiver Module, it uses same RF Chip SX1278 from SEMTECH, and definitely Pin to Pin with this Ai Thinker's Ra-01 LoRa ModuleFAQ July 23, 2021
- What is the Difference Between SMA Interface and SMB Interface?We always see different coaxial connectors on the electronic devices, especially on its RF antenna or connecting cable, but do you know the difference between SMA interface and SMB interface? Both SMA and SMB are small coaxial connectors, but the SMA interface is threaded and the SMB interface is push in ...FAQ November 06, 2020
- What is SMA (SMA Connector)?What is SMA (SMA Connector)? The full name of SMA is Small A Type, also known as SMA connector or SMA interface. It is a radio frequency and microwave connector that is widely used in telecommunication, networking, wireless communication, detection and measurement instruments.FAQ October 31, 2020
- How to do ESD Protection for RF Module Products in Hardware Design？ESD protection design mainly refer to shell design, hardware design, PCB layout, component selection, software debugging, etc. In hardware design, an important method is to add ESD protection devices at key circuit nodes. For a wireless module with external antenna, the antenna interfaces need to be addedFAQ June 16, 2021
- Application of LoRa Module in Smart Meter ReadingNowadays, the application of remote wireless transmission is increasing year by year, such as small amount of data between devices like water meters, smoke detectors, and the use of long-distance transmission. Let's take Smart Water Meter reading system as an example, to explain how LoRa module works in the AMR.FAQ December 30, 2020
- How Window/Door Sensor Works?Door Sensor is composed of a wireless transmitter module and a magnetic block. There is a "reed switch" inside the wireless transmitter module. When the distance between the magnet and the reed switch is within 1.5cm, the reed switch is disconnected. Once the distance exceeds 1.5cm, it will alarmFAQ October 15, 2020
- What are PIR Sensors and How they Work?PIR Detector is a sensor that detects the movement of the heat source object. With the help of an optical system, it can detect the change of thermal radiation in a certain defense space. The PIR Detector converts the received change of IR heat radiation energy between the active human body and the background object into a corresponding electrical signal, and then alarms.FAQ May 14, 2021
- IoT Market Growth Will Slow Down Due to the COVID-19 PandemicThe total number of wireless IoT connections will increase from 1.5 billion at the end of 2019 to 5.8 billion in 2029. But the growth rates for the number of connections and connectivity revenue will be somehow lower than previous forecast. This is partly due to the negative impact of the COVID-19 pandemic...
- How to choose the corresponding 433m wireless moduleWhen it comes to the Internet of Things, we should all be familiar with the development of the Internet of Things today, and it is also gradually entering the field of the market. Slowly with the artificial intelligence, production machinery, no matter whether it is in our lives ...FAQ June 06, 2020