Opened, Unused The transmitter can be used alone, and a receiver is not required. (Note: The package only includes the transmitter, and does not include a receiver) 【2.4GHz+5GHz Dual Frequency Transmission Technology】: Equipped with dual-band transmission technology, CineView HE brings industry-leading stability to wireless video transmission systems. With dual-band transmission technology, you no longer need to worry about video and audio dropouts or signal switching. Stable and smooth shooting and powerful anti-interference technology provide unparalleled shooting results. 【1200ft/350m Transmission Distance, 0.06s Ultra-Low Latency】: With CineView HE, you can experience the stability of smooth transmission of images and sound over long distances, even at the size of a soccer field. The delay is less than 0.06 seconds. 【HDMI Input and Loop Out】: The CineView HE transmitter has an HDMI input and an HDMI loop out, which can be connected to a camera and a monitor, respectively. Furthermore, the HDMI loop out has been upgraded to zero-latency lossless output. 【One transmitter can be matched with four receivers. APP Acsoon Go control, easily monitor shots】: CineView HE allows you to stream video and audio to up to four receivers (standard receivers and mobile devices, mix and match possible). Accsoon Go provides a number of monitoring features to optimize your shooting workflow. Enjoy high-end monitoring features.