![[ Video ] [ NK-2.4Y ] - Demonstrating how to send ON-OFF sensor data in the 2.4 GHz band.](https://www.cdt21.com/wp/wp-content/uploads/2023/01/nk-24y_sensor-and-leds.png)
[ Video ] [ NK-2.4Y ] - Demonstrating how to send ON-OFF sensor data in the 2.4 GHz band.
![[ Video ] [ CDT-TX-02M-R, CDT-RX-02M-R ] - Introducing the telecommand transmitter and receiver for 434 MHz ISM band.](https://www.cdt21.com/wp/wp-content/uploads/2023/01/cdt-txrx-02m-r_on-off-transmission.png)
[ Video ] [ CDT-TX-02M-R, CDT-RX-02M-R ] - Introducing the telecommand transmitter and receiver for 434 MHz ISM band.
![[ Video ] [ CDT-TX-02M-R, CDT-RX-02M-R ] - Demonstrating how to send ON-OFF sensor data in the 434 MHz ISM band.](https://www.cdt21.com/wp/wp-content/uploads/2023/01/cdt-txrx-02m-r_multi-channel-telecommand-transmitter-and-receiver.png)
[ Video ] [ CDT-TX-02M-R, CDT-RX-02M-R ] - Demonstrating how to send ON-OFF sensor data in the 434 MHz ISM band.
![[ Video ] [ STD-601 ] - Introducing the official STD-601 evaluation board that uses Arduino MEGA 2560.](https://www.cdt21.com/wp/wp-content/uploads/2023/01/std-601_demonstration-of-the-evaluation-board.png)
[ Video ] [ STD-601 ] - Introducing the official STD-601 evaluation board that uses Arduino MEGA 2560.
![[ Video ] [ WA-TX-03S, WA-RX-03S ] - Introducing the wireless audio transmitter and receiver for the European harmonized 863 - 865 MHz band.](https://www.cdt21.com/wp/wp-content/uploads/2023/01/wireless-audio-transmitter-and-receiver.png)
[ Video ] [ WA-TX-03S, WA-RX-03S ] - Introducing the wireless audio transmitter and receiver for the European harmonized 863 - 865 MHz band.
![[ Video ] [ WA-TX-03S, WA-RX-03S ] - Introducing the evaluation boards to test audio transmitter and receiver.](https://www.cdt21.com/wp/wp-content/uploads/2023/01/test-board-for-wa-03s.png)
[ Video ] [ WA-TX-03S, WA-RX-03S ] - Introducing the evaluation boards to test audio transmitter and receiver.
![[ Video ] [ MU-2-429 ] - Demonstrating how to send some sensor readings in the Japanese 429 MHz ISM band.](https://www.cdt21.com/wp/wp-content/uploads/2023/01/mu-2-429_demonstrating-how-to-send-some-sensor-readings-in-the-japanese-429mhz-sim-band.png)
[ Video ] [ MU-2-429 ] - Demonstrating how to send some sensor readings in the Japanese 429 MHz ISM band.
![[ Video ] [ MU-2-R ] - Demonstrating how to send some sensor readings using Arduino and the low power transceiver MU-2-R.](https://www.cdt21.com/wp/wp-content/uploads/2023/01/mu-2-r_demonstrating-how-to-send-some-sensor-readings-using-arduino-and-the-low-power-transceiver-mu-2-r.png)
[ Video ] [ MU-2-R ] - Demonstrating how to send some sensor readings using Arduino and the low power transceiver MU-2-R.
![[ Video ] [ MU-2-R ] - Introducing the low power RF modem for the ISM 434 MHz band.](https://www.cdt21.com/wp/wp-content/uploads/2023/01/mu-2-r_introducing-the-low-power-rf-modem-for-the-ism-434mhz-band.png)
[ Video ] [ MU-2-R ] - Introducing the low power RF modem for the ISM 434 MHz band.
![[ Video ] [ MU-2-R ] - Demonstrating the Windows evaluation program for the MU series of modems.](https://www.cdt21.com/wp/wp-content/uploads/2023/01/mu-2-r_demonstrating-the-windows-evaluation-program.png)
[ Video ] [ MU-2-R ] - Demonstrating the Windows evaluation program for the MU series of modems.