LinkPi UVC2, 4K30 Bidirectional HDMI-UVC Capture & Loop-Out, H.264/H.265 Hardware Encoder, SRT/RTMP/NDI|HX2, Live Streaming for GoPro/Camera/PC Quick Start: [EN] https://wiki.youyeetoo.com/en/LinkPi [CN] https://www.yuque.com/linkpi/encoder/tdip9v0tnmq6i2df Tips NDI Licensing: https://www.youyeetoo.com/products/ndi-full-function-authorization-for-link-pi-products FAQ How to activate an NDI license Noted: After purchasing, please back up the NDI authorization code, one code per machine to avoid loss. You can also use NDI DEMO without purchasing an NDI license. It can be used for 30 minutes after startup, and the screen will be black after 30 minutes. and it can be used again for 30 minutes after restarting. But this only affects NDI, not other protocols (such as SRT, RTMP, RTSP, HTTP, UDP, etc.). Introduction LinkPi UVC2 is the swiss-army knife for mobile creators. Slide it between any HDMI and USB-C source and you get a bidirectional, driver-free bridge that captures or outputs 4K30 video in real time. A dedicated H.264/H.265 encoder inside compresses up to 16 Mb/s while keeping your laptop free for editing or mixing. Choose SRT for reliable remote contribution, RTMP for social platforms, or NDI|HX2 for IP-based studio workflows—all configured in seconds via the built-in web UI. Whether you need to turn your GoPro into a clean HDMI feed for ATEM or bring a 4K camera signal into OBS, the UVC2 delivers broadcast-grade quality from a pocket-sized box. Features [Bi-directional 4K30] Swap HDMI ↔ USB-C video instantly; use as a 4K capture card or turn any UVC camera into an HDMI source for switchers/monitor.[Hardware H.26× Encoder] Built-in H.264/H.265 chip off-loads your CPU; stream 4K30 at only 8 W via SRT, RTMP, RTMPS, HLS, T,S or NDI|HX2.[Zero-Driver Setup] UVC/UAC compliant; recognized as a webcam/mic on Windows, macOS, Linux, Android, and iPadOS—OBS, Zoom, Teams, Twitch ready.[Pocket-Size Power] 100 × 60 × 20 mm, 300 g; runs from USB-C PD power-bank, phone charger or laptop—no bulky adapter on location.[Frame-Perfect Loop-out] 1080p60/4K30 HDMI loop with 4:4:4 10-bit, hardware up/down scale; add a second display or feed a projector without splitters.[Creator Kit Ready] ¼" camera-mount thread, cold-shoe included; stream church, classroom, esports or IRL with GoPro, Pocket 3, DSLR or gaming console. Shipping List Based on your choose. Applications Plug-and-play 4K bridge that lets you stream a GoPro to Twitch, feed a DSLR into Zoom, or send HDMI to an iPad—anywhere, driver-free. Specification Item Details Max. Resolution 4K @ 30 fps (HDMI in & out) Video Codecs H.264 BP/MP/HP, H.265 Main 10-bit Video Bit-rate 32 kbps – 16 Mbps, CBR/VBR HDMI Interface 1× HDMI 2.0 (auto-detect input/output) USB Interface 1× USB-C 3.1 (UVC/UAC) Network 1× Gigabit Ethernet (RJ-45) Streaming Protocols SRT, RTMP, RTMPS, HLS, TS, NDI HX2, ONVIF Audio HDMI-embedded, 3.5 mm line-in; AAC/MP3/G.711 Latency < 80 ms (encoder to network) Loop-out 1080p60 / 4K30, 4:4:4 10-bit, hardware scaler Power Supply 5 V⎓2 A, USB-C PD (≈ 8 W) Dimensions 100 × 60 × 20 mm Weight 300 g Mounting ¼"-20 tripod thread Operating Temp. 0 °C – 45 °C Detailed Descriptions