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Categories: Studio & Broadcast
The Spark Mini Series is a compact, professional live streaming encoder designed for reliable video transmission in demanding production environments. Available in 5G and 4G versions, Spark Mini utilizes advanced i-Mux bonding technology to aggregate multiple network connections, delivering stable, low-latency streams even in challenging network conditions.
Supporting up to eight simultaneous network links, including internal cellular modems, external USB modems, Wi-Fi, and LAN, the Spark Mini ensures uninterrupted connectivity for live broadcasts, remote production, news gathering, sports coverage, and event streaming. With support for HEVC (H.265) and AVC (H.264) encoding, it delivers high-quality video while optimizing bandwidth usage.
The encoder features HDMI input and output, cloud-based and local management, dual-stream support, and compatibility with leading streaming protocols including RTMP, RTMPS, SRT, HLS, UDP-TS, and RTSP. Its built-in 50Wh battery provides approximately four hours of continuous operation, making it ideal for mobile field deployments.
Technical Specifications
| Specification | Spark Mini 5G | Spark Mini 4G |
| Network Connections | Internal 1×5G + 3×4G, 2×USB Modems, Wi-Fi, LAN | Internal 4×4G, 2×USB Modems, Wi-Fi, LAN |
| Maximum Network Links | Up to 8 | Up to 8 |
| Management | LCD Screen, Cloud Web, Local Web | LCD Screen, Cloud Web, Local Web |
| Matching Server | eu.univiso.tv, ind.univiso.tv | eu.univiso.tv, ind.univiso.tv |
| Aggregation Technology | i-Mux Bonding Engine | i-Mux Bonding Engine |
Video Specifications
| Item | Specification |
| Video Input | 1× HDMI 1.4 |
| Video Output | 1× HDMI 1.4 Loop Out |
| Video Encoding | H.265 (HEVC), H.264 (AVC) |
| Video Bitrate | CBR / VBR, Up to 15 Mbps |
| Supported Formats | 1080p60/59.94/50/30/29.97/25 |
| 1080i Support | 1080i60/59.94/50 |
| 720p Support | 720p60/59.94/50/30/29.97/25 |
| Video Standard | NTSC / PAL |
| Color Depth | 8-bit |
| Chroma Sampling | 4:2:0 BT.709 |
Audio Specifications
| Item | Specification |
| Audio Codec | AAC-LC, AAC-HE |
| Audio Bitrate | 64 / 128 / 192 / 256 / 320 kbps |
| Audio Sampling Rate | 48 kHz / 44.1 kHz |
Streaming & Transmission
| Item | Specification |
| Push Protocols | HLS, RTMP, RTMPS, SRT, UDP-TS, RTSP |
| Pull Protocols | HLS, RTMP, SRT |
| Wi-Fi Mode | Simultaneous STA/AP Operation |
Storage & Recording
| Item | Specification |
| Internal Storage | 64GB SD Card |
| Expansion | Replaceable External SD Card |
| Hot Swap Support | Yes |
| Operating Modes | Live Streaming, Recording & Streaming |
Power & Environmental
| Item | Specification |
| Power Input | USB-C |
| Supported Input Voltages | 5V-3A, 9V-3A, 12V-2.5A, 15V-2A, 20V-1.5A |
| Power Consumption | ≤16W |
| Battery Capacity | 50Wh |
| Battery Runtime | Approximately 4 Hours |
| Operating Temperature | -15°C to +45°C |
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