调制器模块 解调器模块组

A1: Modulators and demodulators are communication signal processing devices, and video encoders and video decoders are video signal compression processing devices.

A2: 是, we have, 请检查以下链接, it is used for our long-range wireless video transmitter and receiver with AES-256 encryption and decryption.
HTTPS://ivcan.com/p/two-way-wireless-transmission-digital-data-video-link/
高度集成, simpler operation, and more powerful.

A3: 是, please see the below model
https://ivcan.com/wp-content/uploads/2022/10/Modulator-and-demodulator-Module.pdf