The Teradek Bolt Pro 600 3G-SDI/HDMI Video Transmitter / Receiver Set uses a new RF design that allows a transmission range of up to 600 ft line of sight, and it includes RP-SMA connections for external antennas on the transmitter. It supports wireless HD video with zero delay (<1ms) and up to 4 receivers. The transmitter accepts either HD-SDI or HDMI input, and the receiver outputs both HD-SDI and HDMI as well as USB 3.0 video and audio output. The receiver features an OLED display and joysticks for easy setup and pairing. Additional receiver available