The wireless modules designed based on SX1278 and SX1276 chips has the advantages of long transmission distance and strong anti-jamming ability, which are widely used in various IoT fields. The performance of the two wireless modules are almost the same, the main difference is the frequency and the region targeted.
READ MORENordic nRF24L01+ is a GFSK modulated RF chip operating at 2.4GHz, while Si24R1 RF chip is fully compatible with Nordic's nRF24L01+ chip in function, and supports all communication functions of nRF24L01+, which can communicate with products such as NRF24L01+, nRF2401A and can be directly replaced.
READ MOREDL-CC1310-B Wireless Module is an UART Transceiver Module with AT command, which was developed based on TI's CC1310 SOC chip. It combines a flexible, very low power RF transceiver with a powerful MCU in a platform supporting multiple physical layers and RF standard, which is ideal to use for battery power applications.
READ MOREWhat is the LoRaWAN data rate? Why are there two RSSI registers in LoRa mode? Can I switch frequently between FSK and LoRa modulation modes? Why is the output power of my LoRa device or LoRa module less than 20dBm? Can I send or receive a payload packet of unlimited length with a LoRa device?
READ MORECompared with traditional FSK technology and other short-range RF technologies, LoRa greatly increases the communication range while maintaining low power consumption, with longer range and stronger anti-interference. This DL-LLCC68-S LoRa module is really the best choice for LoRa applications.
READ MOREThe CC1310 device is an ultra-low-power, Sub-1 GHz RF device from TI that is part of the SimpleLink™ microcontroller platform. While the DL-CC1310-B Transparent UART Transceiver Module was developed base on this CC1310 chip. It is an SoC embedded Serial Port RF Transceiver Module with AT command.
READ MOREThe RF parameters of most radio frequency chips from TI can be automatically generated and imported through SmartRF Studio 7, which is very convenient. This article takes CC1310 as an example to explain how to automatically generate RF parameters. CC1310 UART Wireless Module can be also provided!
READ MOREWhat should we do for the PCB LAYOUT in RF product design? This article mainly introduces the PCB Layout precautions of the RF circuit, which is surrounding the RF module. Hope it can help you correctly design the PCB routing when using our RF modules, so as to ensure the RF performance and reduce the design cycle
READ MOREBoth Si4438 and Si4463 are RF chips launched by Silicon Labs. The RF modules developed from these two chips have their own advantages and strengths. The performance of Si4463 RF module is far better than the Si4438 RF module. If cost is not a problem, the Si4463 RF module is definitely the best choice.
READ MOREThe main factors affecting the characteristic impedance of coplanar waveguide include the Dielectric Constant (usually 4.2~4.6, here is 4.4), Height between Signal Layer and Reference Ground Layer (H), Microstrip Linewidth (W), Ground Clearance (S) and Copper Foil Thickness (T).
READ MOREThere are many reasons for why a LoRa transmission might not work as intended, even you choose a high quality LoRa Module. The factors include Environmental Topography, Device Interference, Antenna Quality, Antenna Gain, Antenna directivity etc.
READ MOREIn the process of R&D and debugging of RF modules, customers often encounter communication distance problems. How do we investigate and optimize the RF performance of our products?Let's take a real case as an example, and do a simple analysis for you here, hope it helps you in some way.
READ MOREThe coaxial cable is a type of electrical cable consisting of an inner conductor surrounded by a concentric conducting shield, with the two separated by a dielectric. The commonly used coaxial cable includes RG178 & RG174 coaxial cable, they are mostly used to connect wireless devices and antennas
READ MOREDreamLNK has launched the DL-24PA-C module based on CC2500RGPR chip. It is a 2.4G wireless transceiver module with PA+LNA, which ranges 650M ultra-long distance. Its carrier frequency range is adjustable from 2.400GHz to 2.483GHz, can be used to achieve multi-channel communication.
READ MOREAs one of the two core hardware of wireless communication (the other is the wireless module), antenna is an essential part for the application of the Internet of Things. There are many kinds of antennas to meet different frequencies, different uses, different applications and different requirements...
READ MOREJust as the literal meaning of "IoT = Things + Internet", data transmission is required to connect to the Internet. The non-contact data transmission is the application scenario of radio frequency. Almost all IoT products will have RF transmission. The RF transmission with low transmit power has a short distance...
READ MOREThe receiving sensitivity is the minimum signal receiving power that the RF receiver can take out the useful signal correctly. The receiving sensitivity of wireless transmission is similar to people's hearing when they are communicating
READ MOREWe often get customer's inquiry and ask if we can provide a high gain antenna, someone even says the higher gain the better. But is that true? Is really higher gain antenna result a better effect? In fact, this view is incorrect. Simply to increase the gain, although the coverage distance is greater, the coverage will become narrower.
READ MOREIs a Higher Transmission Rate Wireless Module Always the Better? In fact, this idea is incorrect. The data level of each parameter is not equal to the performance of the module. We should select the parameters of the module according to the actual situation of the project. What suits you is the best!
READ MOREFiber-glass Antenna is the most popular kind of CB antennas, which is also called as Fiberglass Antenna, FRP Antenna. They are fiberglass poles wrapped with copper vibrator and coated with protective material. They are IP67 waterproof, windproof, high temperature resistance, and corrosion resistance.
READ MOREWith 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
READ MOREWhat 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...
READ MORERF 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.
READ MOREIf 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
READ MOREWe 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 ...
READ MOREWhat 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.
READ MOREESD 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
READ MORENowadays, 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.
READ MOREDoor 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
READ MOREPIR 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.
READ MOREWhen 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 ...
READ MORESwitching value signals is a digital signal. Compared with analog signal, it has strong anti-interference ability. The change of the switching value signal is not continuous, so it is so called pulse signal. If an RF module uses switching value signals to communicate, we call it Switching Value RF module.
READ MOREThe 2.4G wireless module works in the worldwide application-free ISM band. This band has relatively little interference, high frequency but weak penetration ability. These 2.4G RF Modules have a transmission distance of several dozen meters in an open air, which are widely used in smart home, consumer electronics, etc.
READ MOREHow Bluetooth Module Works? Generally speaking, BLE module has four working modes: Master mode, Slave mode, Broadcast mode, and Mesh networking mode. Taking the Bluetooth module M-B14001 as an example. This module is a master-slave integrated Bluetooth Module, with UART interface for data transmission.
READ MOREWhy shall we choose LoRa Module even it is more expensive? According to its performance of transmission distance, power consumption, sensitivity, and anti-jamming ability, LoRa module is a good choice, epecially for small data transmission, even it is more expensive than the ordinary wireless modules!
READ MOREWhat is the difference between low power Bluetooth and normal Bluetooth? What is the transmission rate of BLE Bluetooth Module? What is the transmission rate of the BLE module? How much data can be transferred? Does the BLE module support 2.4G non-Bluetooth protocol mode?
READ MOREBoth SPI and UART are chip units that process and transmit data. However, SPI (Serial Peripheral Interface) is usually a 3 - 4 wire interface, which can send and receive independently and can be synchronized, while UART (Universal Asynchronous Receiver Transmitter) has only one input port and one output port, which completes two-way communication at the standard baud rate.
READ MOREHow to choose a proper wireless module? There are 5 steps to be taken when we selecting a wireless module from the Wireless Module Supplier! The specific steps include the following five aspects, which are specifically introduced by DreamLNK for your analysis.
READ MORENB-IoT is an emerging technology in the field of IoT that supports cellular data connection of low-power devices over a wide area network (WAN), also known as a Low-power Wide Area Network (LPWAN). NB-IoT supports efficient connections to devices with long standby times and high network connectivity requirements.
READ MOREThe Standing Wave Ratio (SWR), also known as VSWR, which is short for Voltage Standing Wave Ratio. The SWR (VSWR) is a numeric value used to indicate whether the antenna and the RF transmitter matches well. The SWR is the basis for checking the efficiency of feeder transmission.
READ MORELoRa 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.
READ MOREAn 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.
READ MOREAn 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.
READ MOREThe 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 circuit
READ MOREAn 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 da
READ MOREIn 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...
READ MOREDifference 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...
READ MOREHow 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"
READ MOREWhy 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 solutions
READ MOREWhat 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)...
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