SeeEyes The Mollie Series , A set of SC-LHT01B/T(Transmitter) and SC-LHR01B/T(Receiver), extend the HD-SDI signal transmission distance up to 300m through a RG-59 coaxial cable. It is easy to be equipped and has no need of the repeater by 300m. However, you can extend the transmission distances farther than 300m by using the repeater. It is also a compact product to create the better construction environment.Order Number: EMSU4050 See Eyes SC-LHC01B long distance coaxial transmission