--- product_id: 380171853 title: "Hollyland COSMO C1 [OFFICIAL] 1000ft Wireless HDMI/SDI Video Transmission System 40ms 1080P 12-20Mbps 5G Image&Audio Transmitter Receiver, Embedded UVC Live Stream Seamless Channel Switch SDI-Loopout" brand: "hollyview" price: "3843.46 DT" currency: TND in_stock: true category: "Holly View" url: https://www.desertcart.tn/products/380171853-hollyland-cosmo-c1-official-1000ft-wireless-hdmi-sdi-video-transmission store_origin: TN region: Tunisia --- # 40ms ultra-low latency 1080P60 HD video transmission 1000ft wireless range Hollyland COSMO C1 [OFFICIAL] 1000ft Wireless HDMI/SDI Video Transmission System 40ms 1080P 12-20Mbps 5G Image&Audio Transmitter Receiver, Embedded UVC Live Stream Seamless Channel Switch SDI-Loopout **Brand:** hollyview **Price:** 3843.46 DT **Availability:** ✅ In Stock ## Summary > 🚀 Elevate your live streaming game with Hollyland COSMO C1 — broadcast like a pro, anywhere! ## Quick Answers - **What is this?** Hollyland COSMO C1 [OFFICIAL] 1000ft Wireless HDMI/SDI Video Transmission System 40ms 1080P 12-20Mbps 5G Image&Audio Transmitter Receiver, Embedded UVC Live Stream Seamless Channel Switch SDI-Loopout by hollyview - **How much does it cost?** 3843.46 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/380171853-hollyland-cosmo-c1-official-1000ft-wireless-hdmi-sdi-video-transmission) ## Best For - hollyview enthusiasts ## Why This Product - Trusted hollyview brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Ultra-Low 40ms Latency:** Experience near real-time video feed—perfect for live broadcasts and professional shoots. - • **Adaptive Frequency Hopping Tech:** Auto channel switching and interference resistance keep your stream flawless and flicker-free. - • **All-in-One UVC + HDMI + SDI Output:** Plug & play with USB-C capture, plus simultaneous HDMI and SDI outputs for ultimate flexibility. - • **Seamless 1000ft Wireless Transmission:** Stream crystal-clear 1080P video with zero hassle across long distances. - • **Triple Power Options with Smart Alerts:** Use DC, NP-F battery, or USB-C power with on-screen and LED battery warnings—never miss a moment. ## Overview The Hollyland COSMO C1 is a cutting-edge wireless video transmission system delivering full HD 1080P60 video up to 1000ft with ultra-low 40ms latency. Featuring HEVO transmission technology, it supports HDMI and SDI inputs with simultaneous HDMI, SDI, and UVC outputs, enabling seamless live streaming via USB-C capture. Its adaptive frequency hopping ensures stable, interference-free signals, while versatile power options and smart battery alerts guarantee uninterrupted professional-grade performance for broadcast and live production. ## Description Buy Hollyland COSMO C1 [OFFICIAL] 1000ft Wireless HDMI/SDI Video Transmission System 40ms 1080P 12-20Mbps 5G Image&Audio Transmitter Receiver, Embedded UVC Live Stream Seamless Channel Switch SDI-Loopout online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09K75Q533 | | Item model number | COSMO C1 | | Language | English | | Manufacturer | Hollyland | | Product Dimensions | 29 x 13.7 x 26.5 cm; 1.94 kg | ## Product Details - **Brand:** HollyView - **Compatible devices:** Monitor, Personal Computer, Television, camera - **Connectivity technology:** HDMI, SDI, USB-C - **Controller type:** Button - **Special features:** Cooling Fan ## Images ![Hollyland COSMO C1 [OFFICIAL] 1000ft Wireless HDMI/SDI Video Transmission System 40ms 1080P 12-20Mbps 5G Image&Audio Transmitter Receiver, Embedded UVC Live Stream Seamless Channel Switch SDI-Loopout - Image 1](https://m.media-amazon.com/images/I/61JAC1WUv4L.jpg) ## Questions & Answers **Q: What's UVC function?** A: UVC: USB Video Capture, is a pretty nice technology in live broadcast. Note 1. UVC only support 1080P video output now 2. Please set the video format to 1080P on OBS when you add the video capture device. **Q: How to power on the Cosmo C1?** A: There are 3 ways to power the Cosmo C1 1. DC adapter (6~16V) 2. NPF batteries - [NPF970/NPF750/NPF550] 3. Type-C (5V/2A) (But please don't use it in the working time) **Q: What is the AUTO mode?** A: Please move the thumbwheel button up and down to change the channel number, the AUTO options are between channels 1 and 8. In the AUTO mode, our device will change the channel to a clean one automatically when there exists interference. **Q: Why does the C1 use a USB cable to connect to the PC to pull the streaming screen through the OBS software abnormally?** A: At present, the UVC function of the C1 don't support the 1080i format. You need to change the output format of the camera to the 1080p format. The SDI and HDMI interface 1080p and 1080i formats of the C1 are supported, but not including UVC output. ## Frequently Bought Together - Hollyland Cosmo C1 [Official] 1000ft Wireless HDMI/SDI Video Transmission System 40ms 1080P 12-20Mbps 5G Image&Audio Transmitter Receiver, Embedded UVC Live Stream Seamless Channel Switch SDI-Loopout - Powerextra 2 Pack Replacement Sony NP-F970 Battery and Fast Charger Dual USB for NP-F930 NP-F950 NP-F960 NP-F550 NP-F530 NP-F330 NP-F570 handycams - Powerextra 2 Pack Replacement NP-F970 Battery Compatible with Sony DCR-VX2100, DSR-PD150, DSR-PD170, FDR-AX1, HDR-AX2000, HDR-FX1, HDR-FX7, HDR-FX1000, HVL-LBPB, HVR-HD1000U, HVR-V1U, HVR-Z1P --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/380171853-hollyland-cosmo-c1-official-1000ft-wireless-hdmi-sdi-video-transmission](https://www.desertcart.tn/products/380171853-hollyland-cosmo-c1-official-1000ft-wireless-hdmi-sdi-video-transmission) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-28*