The Hollyland Cosmo C1 HDMI/SDI Wireless Video Transmitter is a lightweight and compact video transmitter set from Hollyland. It has a range of 300 meters, a latency of only 0.04s and a frequency spectrum of 5.1GHz - 5.8 GHz. The receiver and transmitter both have HDMI and SDI connections. The transmitter also has an SDI loopout. 

Thanks to the HEVO wireless transmission technology you can transmit a signal smoothly and without interruption. Also, thanks to the built-in UVC, it is possible to send videos of 1080P60 HD via a usb-c cable to your computer to stream live. 

The dimensions are 115 x 70 x 32 mm. The weight of the transmitter is 214 g and the weight of the receiver is 2