Enhance your wireless communication projects with this advanced 433MHz Wireless Transceiver Module, designed for seamless automatic networking without the need to configure serial protocols. Featuring a built-in MCU and multiple transparent transmission modes, this module supports versatile connection types including one-to-one, one-to-many, many-to-one, and many-to-many, making it ideal for complex communication networks. Key Features: · **Automatic Networking with Built-in Program:** No programming required for serial protocol setup, enabling quick and easy deployment. · **Multiple Interconnection Support:** Supports one-to-many and many-to-many transparent transmission, offering flexible networking options to suit various applications. · **Wide Operating Frequency Range:** Covers 433.4MHz to 473.0MHz with up to 100 communication channels, ensuring stable and interference-resistant communication. · **High Transmission Power:** Maximum 100mW transmit power delivers a reliable communication distance of up to 1KM in open environments. · **Built-in MCU for Easy Communication:** Facilitates direct communication with external devices via serial port without additional programming. · **Unlimited Data Transmission:** No restriction on the number of bytes sent in a single transmission (FU1/FU3 mode), ideal for large data packets. · **Default Factory Settings:** Configured to FU3 working mode, 9600bps baud rate, and communication channel CH001 (433.4MHz) for immediate use. · **Low Power Consumption:** Default standby current is only 16mA, with variable working current depending on mode, optimizing power efficiency. · **Compact and Lightweight Design:** Measuring 27.8 x 14.4 x 4mm, this module is easy to integrate into various devices and projects. Specifications: · Voltage: 3.2~5.5V (Recommended to use a 1N4007 diode in series when voltage exceeds 4.5V during long transmission to prevent LDO heating) · Communication Distance: 600m standard, adjustable up to 1000m with air baud rate of 5000bps · Working Frequency: 433.4~473.0MHz · Maximum Transmission Power: 100mW · Size: 27.8 x 14.4 x 4mm (1.09 x 0.57 x 0.16 inches) Package Includes: · 1 x Wireless Transceiver Module · 1 x Spring Shaped Antenna This wireless transceiver module offers a powerful and flexible solution for your remote communication needs, delivering long-range, stable connections with minimal setup. Ideal for IoT projects, remote controls, data transmission, and other wireless communication applications.