HC-12 Module Wireless RF UART Communication Module The HC-12 wireless RF UART communication module is a next-generation wireless data transmission module for embedded systems. It operates on a radio frequency range of 433.4-473.0MHz and can be configured to use any of its 100 communication channels, with each channel having a step size of 400kHz. The module has a maximum transmit power of 100mW (20dBm) and can receive signals as low as -116dBm with a baud rate of 5000bps, providing a communication distance of about 500 meters.This Rf module is designed using a stamped hole encapsulation method, which makes it easy to weld. Its compact size of 27.4mm13.2mm4mm (including antenna seat but excluding the spring antenna) makes it convenient for embedding into the application system. The module comes with a PCB antenna seat ANT1, and users can also use an external antenna in the 433MHz band by connecting a coaxial cable.The HC12 Module also features an antenna welding hole ANT2 for attaching a spring antenna, giving users the option to choose the antenna type based on their requirements. The module is equipped with an MCU, eliminating the need for additional programming. Users can simply send and receive UART data using one of the four UART modes of FU1, FU2, FU3, or FU4, which have an average operating current of 3.6mA, 80μA, 16mA, and 16mA, respectively. The module also supports AT commands for UART transmission mode selection.The HC12 module is based on the SI4463 EZRadioPro family chip by SiLabs and offers an impressive wireless data transmission and reception range of up to 1 km in open air environments. The module is low power and very user-friendly. Features IEEE 802.15.4g compliant Frequency range = 119–1050 MHz Receive sensitivity = –126 dBm Serial TTL (RX, TX, GND) interface Modulation (G)FSK, 4(G)FSK, (G)MSK, OOK Max output power +20 dBm Low active power consumption 10/13 mA RX, 18 mA TX at +10 dBm Ultra low current powerdown modes 30 nA shutdown, 50 nA standby Data rate = 100 bps to 1 Mbps Fast wake and hop times Highly configurable packet handler TX and RX 64 byte FIFOs Auto frequency control (AFC) Automatic gain control (AGC) Low BOM Low battery detector FCC Part 90 Mask D, FCC part 15.247, 15,231, 15,249, ARIB T-108, T-96, T-67, RCR STD-30, China regulatory ETSI Class-I Operation with SAW Applications Replacing Bluetooth in short-distance data transmission areas Enabling wireless communication between two microcontrollers from a certain distance Transferring telemetry data from UAVs Wireless serial port communication Embedding into various application devices due to its stamp holes edge design Package Includes: 1 x HC-12 433 SI4463 Wireless Serial Module 1 x Compatible Coil Specifications Supply voltage 3.2V~5.5V Default idle current 16MA baud rate 5000bps Operating frequency range 433.4-473.0MHz Dimensions  27.8 x 14.4 x 4mm Weight  25 grams

RF433 MHz Transmitter Receiver Wireless Module This 433 MHz wireless rf module is a superheterodyne ASK (Amplitude Shift keying ) / OOK (On-Off keying based ) module. Design ideal is to use a SAW filter, highly suitable for industry control or bad place for use, strong anti-jamming. Built-in automatic gain circuit (AGC), it will automatically change front-end LNA gain among received signal strength also makes signal output will not be strong or weak signals which caused by phase distortion so that it can rise higher sensitivity. To receive the local oscillation circuit for the PLL lock loop design, no offset, and stability is high. The frequency is 433MHz and the receiver structure is Superheterodyne, the received signal is OOK. After receiving the signal, it will output the TTL signal to the external decoder IC for decoding. It is convenient to the applicant in different products and external components are not necessary to make products be wireless also bring value-added for your products. read more : RADIO FREQUENCY Applications: Remote Controls Automation System Wireless Security System Sensor Reporting Car Security System Remote Keyless Entry Package Includes: 1 x RF433 Transmitter 1 x RF433 Receiver Specifications Operating voltage 3.6~5.5V sensitivity 110dBm Operating Current  5 mA Dimensions  5 x 4 x 3cms  Weight  15 grams

3DR Radio Telemetry 915 MHz This 3DR 915 MHz Radio Telemetry kit set allows you to connect a flight controller and a USB or UART-enabled device, such as a computer, laptop, or tablet with USB compatibility (OTG).The latest version 2 radios no longer require a separate Air/Ground module, as both transceivers can now use both UART or USB connections, and support both modes. This radio set not only allows you to view real-time data, such as live GPS position overlaid on a map, system voltage, heading, waypoint navigation, and even an artificial horizon, but also offers much more.By using an open-source MAVlink-based ground station software, you can even fly your aircraft with a joystick via your computer and update settings in real time. Alternatively, you can use it for your DIY projects that require a wireless Serial interface. This kit is cost-effective, has a longer range, and offers superior performance. The system operates on the 915 MHz band and provides a full-duplex link using HopeRF’s HM-TRP modules running custom, open-source firmware. Features MAVLink protocol framing status documents Frequency modulation and Spread Spectrum (FHSS) Self-adaption to time division multiplexing Support LBT and AFA Configurable duty cycle Built-in error correcting code(up to 25% data bit error) AT command configure data transmission RT command remote control data transmission Interchangeable air and ground 915 MHz modules Micro-USB port 6-position Molex connector SMA connector 2-way full-duplex communication through adaptive TDM UART interface Transparent serial link Open-source SIK firmware Configurable through *Mission Planner and *APM Planner Based on the HM-TRP wireless module, with Si1000 8051 microcontroller and Si4432 Package Includes: 2 x Radio Telemetry 915 MHz 1 x 30cm Type C to Type C cable 1 x 30cm Micro USB to Type C cable 2 x Lead cable 2 x TX433-JK-11 Antenna Specifications: Frequency Range 915 MHz Sensitivity (dBm) -124 Operating Voltage (VDC) 3 ~ 6 Max. Operating Current (mA) 500 Module Size (LxWxH) mm 54 x 260 x 12 Antenna Length (mm) 110 Weight (gm) 33

RFM69 FSK Transceiver Module The RFM69 series wireless communication module is intended for global free application at the 434 MHz ISM band. It is a low-power, high-bandwidth module with low cost, stability, and product consistency, capable of transmitting data packets up to 300Kbps. The module has broad applications, including daily life activities that require wireless connection, industrial control, access control, attendance, surveillance, and security industries.The RFM69HCW variant of the module communicates with a host microcontroller using an SPI and supports up to 256 networks with 255 nodes per network. It features AES encryption for data privacy and can transmit data packets of up to 66 bytes long.The RFM69HCW operates at 915MHz frequency and can transmit up to 100mW at 300kbps. These values can be adjusted to match specific application requirements, with an option to maximize range by increasing transmit power and reducing data rate or reducing both for short-range sensor networks with low battery consumption.The module can cover a considerable distance at full power, reaching over 500 meters in open air or transmitting from space to the ground using more complex antennas and modulation schemes. The RFM69 series has various models with different characteristics such as MCU, power amplifier, data interface, and packaging methods. These models can communicate with each other, meeting FCC/CE standards and satisfying clients' authentication needs. Features Transceiver module capable of operation over a wide frequency range, including the 315, 433, 868, and 915MHz license-free ISM frequency bands Programmable RF communication parameters Operates using FSK, GFSK, MSK, GMSK, and OOK modulations Built-in bit synchronizer performing clock recovery, incoming sync word recognition, and automatic RF sense with ultra-fast AFC Packet engine with CRC-16, AES-128, and a 66-byte FIFO Optimized for low power consumption while offering high RF output power and channelized operation Can communicate over several hundred meters given adequate antenna Applications Medical device and remote control Logistics tracking. warehouse inspection. electronic tags Consumer wireless applications Low power telemetry Wireless sensor network applications Package Includes: 1 x RFM69 FSK Transceiver Module Specifications: Operating frequency 315/433/868/915MHz Modulation method FSK/OOK Transmit power 20dBm Receiver sensitivity -120dBm Transfer rate 300Kbps Dimensions  20x16x2mm Weight  5 grams

DC 5V 433Mhz RF Wireless Transmitter Module and Receiver Kit The TX-ASK is an effective low-cost solution for using the 433 MHz frequency. This ASK hybrid transmitter module is designed with a saw resonator, making it small, cost-effective, and easy to use for designing. However, it's important to note that this 433mhz rf transmitter and receiver kit does not support direct UART communication when connected to PCs or microcontrollers due to the high levels of noise on these frequencies.The RF module comprises a 433mhz rf transmitter and receiver. The transmitter receives serial data and wirelessly transmits it through RF via its antenna connected at pin4. The transmission rate can be set to 1kbps or 10kbps. The transmitted data is received by an RF receiver operating at the same frequency as the transmitter. This 433 MHz RF transmitter and receiver pair is cost-effective and can transmit signals up to 100 meters (although the antenna design, working environment, and supply voltage will significantly impact the effective distance). It's ideal for short-distance battery-powered device development. read more : RF 433 MHZ TRANSMITTER AND RECEIVER (WITH DEMO) Video Tutorial: Applications: Remote Controls Automation System Wireless Security System Sensor Reporting Car Security System Remote Keyless Entry Package Includes: 1 X RF Wireless Module Pair (433MHZ) Specifications: Range in open space(Standard Conditions)   100 Meters RX Receiver Frequency   433 MHz RX Typical Sensitivity   105 Dbm RX Supply Current   3.5 mA RX IF Frequency   1MHz RX Operating Voltage   5V TX Frequency Range   433.92 MHz TX Supply Voltage   3V ~ 6V TX Output Power   4 ~ 12 Dbm

NRF24L01+PA+LNA SMA Wireless Transceiver Antenna The NRF24L01 module is a state-of-the-art RF module that uses Nordic Semiconductor's 2.4GHz transceiver, the NRF24L01+. This IC operates in the 2.4GHz band and comes with many new features, such as additional pipelines, buffers, and an auto-retransmit function. The board has a reverse-polarized SMA connector that maximizes the RF range, as well as a PA and LNA circuit, which enables long-distance communication when combined with an external antenna.The module comes with a 2DB 2.4G antenna and can achieve a communication distance of 800-1K meters with a transmission rate of 250Kbps on open-air. It is an affordable and user-friendly option for setting up a wireless communication system, striking a good balance between cost and wireless transition performance.The nRF24L01+ module is compatible with various systems, including MCU/ARM/PIC/AVR/STM32, and its power amplifier and SMA antenna design allow for wireless communication up to 1000 meters without barriers. Features : It uses 2.4GHz global open ISM band, with license-free. Transmit power is greater than +20 dBm. Support six-channel data reception. 2Mbit/s speed makes high-quality VoIP possible Multi-frequency points: 125 frequency points meet the needs of multi-point communications and frequency hopping. Low cost: integrated with high-speed signal processing parts associated with RF protocol, such as: automatically re-send lost packets and generate acknowledge signal; SPI interface facilitates the communication with MCU I/O port. Facilitate the development for customers, without development RF part. Software programming is fully compatible with NRF24L01 modules. Package Includes: 1 x nRF24L01p 1 x Antenna Specifications High air data rate 250kbps, 1 and 2Mbps Transmitter 11.3mA at 0dBm output power Host Interface 4-pin hardware SPI,3 separate 32 bytes TX and RX FIFOs Low Power Management 1.9 to 3.6V supply range Dimensions 16.5mm*45.5mm Weight  25 grams

4CH Remote Control Transmitter Receiver Circuit Are you looking to buy a 4CH Remote Control Transmitter Receiver Circuit for your DIY projects? Look no further! This compact and efficient circuit measures 3.5 x 7 cm and is the perfect solution for all your remote control needs. Whether you're working on an RC car, boat, or other toy models, this circuit ensures precise and reliable control. Operating on a 27MHz frequency, this transmitter and receiver circuit provides a range of up to 10 meters, making it ideal for hobbyists and enthusiasts. At its core, you'll find an 8-pin encoder chip for precise control. The transmitter board features four buttons for controlling different directions - left, right, back, and front movement. This circuit is designed for DC 3-4.5V working voltage, ensuring efficient and reliable performance. It's also compatible with small power motors, making it versatile for a wide range of applications. Now, here's the exciting part – you can buy the 4CH Remote Control Transmitter Receiver Circuit online at an exclusive discounted price of just Rs. 164 on Iotcart. That's a 28% savings! What's more, we offer free shipping within India, so you can get your hands on this fantastic circuit with no additional shipping costs. Don't miss out on this incredible offer. Secure your order now, and take your DIY projects to the next level with the 4CH Remote Control Transmitter Receiver Circuit. It's the perfect choice for precise and reliable remote control. Buy it online in India from Iotcart! Note: To improve the sensitivity of the rc transmitter and receiver, please give the motor with fire-fighting capacitor Wiring: (1) Transmitter board: red line V + wire the power supply positive, black line V - wire the power supply negative, ANT wire antenna

NRF24L01 Ultra-Low Power 2.4GHz RF Wireless Transceiver The NRF24L01 2.4GHz Antenna Wireless Transceiver Module is a compact and integrated IC designed for ultra-low power (ULP) RF transmission and reception in the 2.4GHz ISM band. It boasts a peak current of less than 14mA for both receiving and transmitting, a sub μA power down mode, advanced power management, and a wide supply voltage range of 1.9 to 3.6V, which makes it a true ULP solution for achieving extended battery life, especially when running on coin cells or AA/AAA batteries.These RF modules are widely used by Arduino enthusiasts and are suitable for various wireless control applications, given their transceiver nature, allowing for data transmission and reception. The NRF24L01+ 2.4GHz Antenna Wireless Transceiver Module is compatible with different MCUs, including Arduino, Mbed, and ARM. It can be easily powered by mounting it over a 3.3V Adapter Board designed for the 24L01 Wireless Module. Features : Maximum operating speeds up to 2Mbps, GFSK modulation efficiency, Anti-interference ability, Particularly suitable for industrial control applications. 125 Channels, Multi-point communication, and frequency hopping to meet the communication needs Built-in hardware CRC error detection, Multipoint communication address control. Low-power 1.9 ~ 3.6V, only 1uA on Power down mode Built-in 2.4Ghz antenna Available software to set the address only received local Address when output data(Provide interrupt instruction), can be directly connected to a variety of microcontrollers, Software programming is very convenient. Built-in voltage regulator Standard DIP Pitch Interface for embedded applications. Note: VCC is a range of 1.9V~3.6V, do not exceed this range, otherwise, it will destroy the module. Communication pins other than Vcc and GND are 5v tolerant  Applications: Wireless PC Peripherals Mouse, keyboards, and remotes 3-in-1 desktop bundles Advanced Media center remote controls VoIP headsets Game controllers Sports watches and sensors RF remote controls for consumer electronics Home and commercial automation Ultra low power sensor networks Active RFID Alarm and security systems Asset tracking systems Toys Package Includes: 25 x Nrf24L01 Ultra-Low Power 2.4Ghz RF Wireless Transceiver Specifications  High air data rate 250kbps, 1 and 2Mbps Host Interface 4-pin hardware SPI,3 separate 32 bytes TX and RX FIFOs Low Power Management 1.9 to 3.6V supply range Dimensions 16.5mm*45.5mm Weight  5 grams

433 MHz RF Transceiver Module This RF Transceiver Module provides a complete RF transmitter and receiver module solution which can be used to transmit data at up to 3KHz from any standard CMOS/TTL source. The transmitter module is very simple to operate and offers low current consumption Data can be supplied directly from a microprocessor or encoding device, thus keeping the component count down and ensuring a low hardware cost. The RX – ASK is an ASK Hybrid receiver module. The RF Transmitter Receiver Module is an effective low-cost solution for using 433 MHz. The TX-ASK is an ASK hybrid transmitter module. TX-ASK is designed by the saw resonator, with an effective low cost, small size, and simple to use for designing. Video tutorial of 433 MHz RF Transceiver Module RF 433 MHz Transmitter and Receiver (With Demonstration)

NRF24L01 Adapter Board With the 3.3V VCC Adapter Board, you can utilize NRF24l01 type transceivers on 5V systems, such as Arduino. It functions by regulating the 3.3V input to 1.9~3.6V DC and includes bypass capacitors for dependable operation.This adapter board is particularly designed to work with the NRF24L01 transceiver module and features the Enhanced ShockBurst (ESB) protocol. It supports two-way data packet communication with packet buffering, packet acknowledgement, and automatic re-transmission of lost packets. Features It can be used with NRF24L01 wireless module Add core nRF24L01+ Breakout Adapter with onboard 3.3V Regulator Onboard 3.3V voltage regulator accepts your Arduino +5V supply and provides 3.3V for the attached nRF24L01+ module Allows for easy connection to nRF24L01+ modules Small power on SMD LED indicator On-Board Voltage Regulator: Voltage Regulator Input Voltage (connected to VCC): 4.8V to 12V Voltage Regulator Input Voltage Max: 15V (we recommend staying below 12V) Package Includes: 1 x 3.3V Adapter Board for 24L01 Wireless Module Specifications On-board chip AMS1117-3.3 Input Voltage 5V DC Output Voltage 1.9~3.6 DC Operating Current 12 mA Dimensions  26 x 19 x 12mm Weight  5 grams

76MHz-108MHz Wireless Stereo FM Radio Kit This DIY electronics kit is perfect for both electronics hobbyists and beginners. The Wireless Stereo FM Radio Receiver Module PCB DIY Electronic Kits 76MHz-108MHz Kit has been optimized for easy element arrangement and high success rates during manufacturing and installation. It has even been used in schools, so its performance is trusted.This RF kit is not just a simple welding assembly. It allows for hands-on adjustment of the coiled-coil and more fun than other simple assembly kits. The main advantage of using a headset is that it takes into account the noise in student classrooms. The FM radio program provides rich and good sound quality, making it possible to launch your own FM radio station.The kit includes an FM scan radio pocket computer using special blocks, including the RDA5807FP FM radio module, a 16-pin dual flat package, and a working voltage of 1.8-3.6V. The circuit includes an FM radio receiver from the antenna to the frequency discriminator output audio signals, with features like a search tuning circuit, a signal detection circuit, a mute circuit, and a compression frequency offset of the frequency-locked loop (FLL) circuit.The IF frequency of the circuit is designed to be 70KHZ, with peripheral circuits without an intermediate frequency transformer. The frequency is selected by an internal RC circuit IF filter to complete. The circuit also includes digital radio tuner buttons for electrical tuning (SEEK +, SEEK-) and volume control buttons (VO). Get started with electronics and DIY radio with this Electronic kit for beginners. Features Functional and high quality, Receives at 76MHz - 108MHz The perfect DIY and practice kit for hobbyist and electronic professionals An excellent tool to educate young pioneers. Applications DIY kit for building a wireless stereo FM radio receiver Can receive frequencies between 76MHz and 108MHz with stereo sound Easy to assemble, suitable for educational or DIY projects Once assembled, can be used to listen to FM radio stations Available for purchase on Amazon and other online retailers Package Includes: 1 x Wireless Stereo FM Radio Kit Specifications Model RDA5807FP frequency 76- 108 mhz Supply voltage 1.8-3.6V Dimensions  11 x 9 x 5cms Weight 100 grams

3DR Radio Telemetry 433MHz 500mW(X6) This set of 3DR Radio Telemetry Module 433MHz 500mW allows you to establish a connection between a flight controller and a USB or UART-enabled device, such as a computer, laptop, or tablet with USB compatibility (OTG).The latest version 2 radios no longer require a separate Air/Ground module, as both transceivers can now use both UART or USB connections, and support both modes. This radio set not only allows you to view real-time data, such as live GPS position overlaid on a map, system voltage, heading, waypoint navigation, and even an artificial horizon, but also offers much more.By using an open-source MAVlink based ground station software, you can even fly your aircraft with a joystick via your computer and update settings in real-time. Alternatively, you can use it for your DIY projects that require a wireless Serial interface. This kit is cost-effective, has longer range, and offers superior performance. The system operates on the 433MHz band and provides a full-duplex link using HopeRF’s HM-TRP modules running custom, open-source firmware. Features MAVLink protocol framing status documents Frequency modulation and Spread Spectrum (FHSS) Self-adaption to time division multiplexing Support LBT and AFA Configurable duty cycle Built-in error correcting code(up to 25% data bit error) AT command configure data transmission RT command remote control data transmission Interchangeable air and ground 433MHz modules Micro-USB port 6-position Molex connector 250mW maximum output power (adjustable) SMA connector 2-way full-duplex communication through adaptive TDM UART interface Transparent serial link Open-source SIK firmware Configurable through *Mission Planner and *APM Planner Based on the HM-TRP wireless module, with Si1000 8051 microcontroller and Si4432 Package Includes: 2 x 433mHz Radio Telemetry 1 x 30cm Type C to Type C cable 1 x 30cm Micro USB to Type C cable 2 x Lead cable 2 x TX433-JK-11 Antenna Specifications: Frequency Range 433MHz Rated Power (W) 500mW Sensitivity (dBm) -124 Operating Voltage (VDC) 3 ~ 6 Max. Operating Current (mA) 500 Module Size (LxWxH) mm 54 x 260 x 12 Antenna Length (mm) 110 Weight (gm) 33