Atomos TX-RX is a powerful 4K/HD wireless video transmitter (TX) and receiver system designed to streamline video monitoring and production workflows—on set, on location, or in the studio. Transmits up to 4Kp30 over HDMI / 1080p60 over SDI. Range of up to 300 meters (985 feet). 5GHz Wi-Fi transmission, strong anti-interference. Transmit to iOS or Android phone. Supports up to 4 receivers per transmitter. .