SL485K-002

The SL485K-002 is a finished unit classifying under RF Receiver, Transmitter, and Transceiver Finished Units, designed to be one of the world’s leading narrow band narrow band radio transceiver with a combination of both the receiver and the transmitter platform in one small production line. It uses a power amplifier circuit with an integrated audio equalizer, built-in noise cancellation and internal communication system. And it also has good features, which includes low power consumption, high sensitivity, low band noise, and superior RF performance.

The application field of the SL485K-002 mainly used in radio frequency (RF) communication systems, such as amateur radio or hobby projects. It can also be used in wireless remote control and monitoring applications, such as security systems and home automation products. Furthermore, it is also used in professional applications like in telemetry for industrial applications and the military.

The SL485K-002 is powered by two AAA batteries and has frequency range of 400-480 MHz withmodular radio options. It has adjustable RF sensitivity, so it can be used in remote programming and remote control applications. The user can set the maximum transmission range, minimum transmit-receive delay time and bandwidth limitations. This feature allows users to adjust their RF communication system to their specific needs.

The working principle of the SL485K-002 consists of two components: the receiver and the transmitter. The receiver consists of an RF amplifier with an integrated audio equalizer and a separate receiving antenna that picks up signals from a distant station. When it receives a signal, the equalizer amplifies the signal to a level sufficient for listening. The transmitted signal is created by combining a carrier signal, which is a continuous sine wave, along with data or voice signal and then passing it through the power amplifier circuit. The signal is then broadcasted through the antenna.

The radio works on both ISM 900 megahertz (MHz) and RF spectrum. The operating voltage range is from 3.3-15 volts. This is extremely useful because it allows a large variety of power sources such as batteries, solar cells, or miniaturized power modules. The receiver possesses selectivity and sensitivity characteristics allowing reception of medium-distance signals. The receiver is able to detect and interpret data strings from up to 400 meters away.

In conclusion, the SL485K-002 is an extremely versatile RF transceiver finished unit with great capabilities. It is appealing for hobbyists, security system builders, and automotive and industrial professionals due to its combination of both transmitter and receiver functions. Its battery powered, adjustable RF sensitivity and adjustable transmission range makes it a great choice for long distance communication applications.

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