The CineView Quad Multi-Spectrum Wireless Video Transmission System from Accsoon allows you to send a 1080p60 camera signal to the included receiver plus up to three mobile devices. This versatile wireless video transmission system provides a cost-effective way of allowing four people on set to monitor an HDMI or SDI camera signal. The transmitter can send signal to a total of four devices simultaneously over distances up to 500' with only a 60ms delay, and you can transmit to any mix of receivers and iOS/Android smartphones and tablets. Its Quad technology allows you to transmit exact copies of your transmission over 2.4 and 5 GHz signals for redundant, high-quality images.