FAQ
- Communication Principle of LoRa FHSS (Frequency-Hopping Spread Spectrum)LoRa FHSS (Frequency-Hopping SpreadSpectrum) technology is used when a single packet time may exceed the maximum channel dwell time allowed by relevant regulations. Turn on hopping mode in LoRa by operating RegHopPeriod and FreqHoppingPeriod registers with non-zero values.FAQ October 14, 2020
- System on a chip (SoC) moduleAn RF transceiver module incorporates both a transmitter and receiver. The circuit is typically designed for half-duplex operation, although full-duplex modules are available, typically at a higher cost due to the added complexity.FAQ July 04, 2020
- Transceiver modulesAn RF transceiver module incorporates both a transmitter and receiver. The circuit is typically designed for half-duplex operation, although full-duplex modules are available, typically at a higher cost due to the added complexity.FAQ July 04, 2020
- Types of RF modulesThe term RF module can be applied to many different types, shapes and sizes of small electronic sub assembly circuit board. It can also be applied to modules across a huge variation of functionality and capability. RF modules typically incorporate a printed circuit board, transmit or receive circuitFAQ July 04, 2020
- Receiver modulesAn RF receiver module receives the modulated RF signal, and demodulates it. There are two types of RF receiver modules: superheterodyne receivers and superregenerative receivers. Superregenerative modules are usually low cost and low power designs using a series of amplifiers to extract modulated daFAQ July 04, 2020
- What is UUID Customization Function in Bluetooth Communication?In BLE applications, UUID (Universal Unique Identifier) is always used to identify Bluetooth services and communication access attributes. Different Bluetooth services and attributes use different access methods, just like people's language communication, only the same language can communicate normally...FAQ November 17, 2020
- Fixed Code and Learning Code in Wireless Remote ControlDifference between fixed code and learning code: the fixed code remote controller mainly adopts the coding chip of 2260 / 2262 / 2264, while the learning code remote control mainly uses the learning code chip 1527 / 2240 / 101; fixed code has higher repetition rate, and its encryption is also relatively poor...FAQ October 23, 2020
- How should I recognize SMA Male and SMA Female heads?How should I recognize SMA Male and SMA Female heads? There are many kinds of SMA connectors, one is called SMA, the other is RP-SMA. The difference between them is: the standard SMA is "inner thread + needle", "outer thread + hole"; while RP-SMA is "inner thread + hole", "outer thread + needle"FAQ October 31, 2020
- Why there is Communication Failure between Wireless Modules?Why there is communication failure between wireless modules?With the development of the IoT, more and more devices will be connected to the network. A large number of them are wirelessly connected. The purpose of this article is to summarize the failure of wireless communication and the corresponding solutionsFAQ October 24, 2020
- What is Switching Value RF Transmitter/Receiver Module?What is Switching Value RF Transmitter/Receiver Module? The switching value is the on-off signal, it is also called PLC switch value, which can be understood as pulse value. Switching Value RF Transmitter/Receiver Module is a device that can collect input/control output of switch signals (I/O signals)...FAQ September 21, 2020