RFM217W-868S1

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RF Receivers are an ever-increasing part of many industries from automotive to the military and telecommunications. The RFM217W-868S1 is a particular model of RF Receiver from a Chinese company and is being marketed for a wide variety of applications from semi-professional installations to hobbyists. It is a small but highly advanced receiver and offers excellent signal performance with low power requirements. In this article, we will discuss the application field and working principle of the RFM217W-868S1.

Features

The RFM217W-868S1 comes with a wide range of features that make it suitable for many applications. It has a low-noise filter that minimizes noise interference, a wide operating voltage range from 3 to 20V DC, input impedance of 50 Ohms, and a selectable output power from 50 mW to 868 mW. Additionally, it has a wide frequency range from 0.2 to 25.5 MHz with a wide dynamic range of 52 dB. The RFM217W-868S1 also has a low power consumption of 2.5W and is equipped with IP67 waterproof protection.

Application Field

The RFM217W-868S1 is a suitable choice for various applications such as point to point communication, remote control systems, and wireless sensor networks. The device is also popular for industrial automation systems and is often used to make data links between communication nodes. Additionally, the receiver is suitable for hobby applications such as remote-controlled vehicles and aircraft. Its small size and low power consumption also make it popular in low cost applications such as home automation systems.

Working Principle

The RFM217W-868S1 is designed to operate over a wide frequency range of 0.2 to 25.5 MHz. The device comes with a low-noise filter circuit that eliminates any interference from high-frequency signals interfering with the radio frequency signal. The device has a wide operating voltage range and input impedance of 50 ohms. Its selectable output power range of 50 mW to 868 mW allows for flexibility and different system requirements. The device is also designed to work within an IP67 waterproof protection rating, making it suitable for more demanding environments.

The receiver works by first amplifying the radio frequency signal and then filtering out the unwanted components. The amplified signal is then processed and sent to the output of the device. This output can either be connected to external devices such as an Arduino board or connected directly to an antenna for further propagation of the signal.

Conclusion

The RFM217W-868S1 is a highly advanced RF Receiver from a Chinese company that is suitable for many applications from semi-professional installations to hobbyists. It is a small device but has excellent signal performance with low power requirements. It comes with a wide frequency range of 0.2 to 25.5 MHz with a wide dynamic range and a selectable output power range of 50 mW to 868 mW. Additionally, the device has a low power consumption and is IP67 waterproof. The working principle of the device is the same as many other RF receivers and it is used for point to point communication, remote control systems, industrial automation systems, and home automation systems.

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