![[ Video ] [ SLR-434M ] - Demonstrating serial data communication with the low power RF modem SLR-434M.](https://www.cdt21.com/wp/wp-content/uploads/2023/01/slr434m_data-communication-using-evaluation-software-program-and-test-board.png)
[ Video ] [ SLR-434M ] - Demonstrating serial data communication with the low power RF modem SLR-434M.
![[ Video ] [ SLR-434M ] - Demonstrating the embedded radio modem SLR-434M: Development Kit](https://www.cdt21.com/wp/wp-content/uploads/2023/01/slr-434m_development-kit.png)
[ Video ] [ SLR-434M ] - Demonstrating the embedded radio modem SLR-434M: Development Kit
![[ Video ] [ SLR-434M ] - Introducing the low power long range radio modem.](https://www.cdt21.com/wp/wp-content/uploads/2023/01/low-power-long-range-radio-modem.png)
[ Video ] [ SLR-434M ] - Introducing the low power long range radio modem.
![[ Video ] [ NK-2.4Y ] - Introducing the telecommand module for transmission of switching signals in the congested 2.4 GHz band.](https://www.cdt21.com/wp/wp-content/uploads/2023/01/nk-24y_module-for-on-off-transmission.png)
[ Video ] [ NK-2.4Y ] - Introducing the telecommand module for transmission of switching signals in the congested 2.4 GHz band.
![[ 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.