FAQ

• What FSK Transceiver Module Should I Choose Under the Worldwide Chip Crisis?

  With the intensification of COVID-19, the global chip shortage is unexpectedly coming, many RF chips continue to suffer from supply cuts. This DL-RTM300 RF module with CMOSTEK chip should be a good choice to instead, it is a high performance FSK Transceiver Module, which can work in 433/868/915MHz

  FAQ September 03, 2021
• What is the Most Real-Time IoT Applications Nowadays?

  What is the most Real-Time IoT Applications? Smart medical, Smart Homes, Smart City, Intelligent Agriculture, Smart Industrial, Smart Supply Chain, Retail Purpose Applications, Smart Transportation, Smart Grid, Smart Wearables...

  FAQ July 31, 2020
• 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 Module

  FAQ 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 added

  FAQ June 16, 2021
• Application of LoRa Module in Smart Meter Reading

  Nowadays, 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 alarm

  FAQ 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