Hollyland COSMO C2 1TX+1RX SDI/HDMI Wireless Transmission System Transmitter and Receiver Kit is designed to offer a reliable and versatile solution for transmitting high resolution video in professional environments. This system includes a transmitter (TX) and receiver (RX) that communicate across the 5.1-5.85 GHz frequency band, ensuring stable, high-quality transmission. One of the distinctive features of the Cosmo C2 is its ability to transmit video up to 1080p60 over distances up to 3000 feet (approximately 914 metres) in a straight line, with a latency reduced to only 33 milliseconds. This combination of range and low latency makes it ideal for studio and field productions that require flexible video monitoring and distribution. The system supports several connectivity options, including HDMI and SDI inputs on the transmitter and HDMI and SDI outputs on the receiver. In addition, the receiver is equipped with an RJ45 Ethernet port that supports the NDI|HX protocol, allowing video streams to be transmitted via a single network cable and simplifying system configuration. In terms of streaming, the Cosmo C2 supports UVC and RTMP protocols, enabling direct streaming to platforms such as YouTube and Twitch. This versatility makes it suitable for a wide range of applications, from producing live events to broadcasting real-time content. In terms of power supply, the transmitter can be powered via DC input or NP-F battery, while the receiver supports DC power or V-Mount batteries, offering flexibility according to the specific needs of the production. In summary, the Hollyland Cosmo C2 1TX+1RX system represents an advanced solution for wireless video transmission, combining high quality, versatility and ease of use to meet the needs of modern professional productions.