> For the complete documentation index, see [llms.txt](https://docs.brwall.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.brwall.com/specifications/video-wall-controller/br20-series.md).

# BR20 Series

### Specifications

<table><thead><tr><th width="150"></th><th width="150"></th><th></th></tr></thead><tbody><tr><td>Product hardware information</td><td>System structure</td><td>Pure hardware FPGA architecture</td></tr><tr><td></td><td>Start up</td><td>&#x3C;15s</td></tr><tr><td></td><td>Operating system</td><td>No CPU and operating system</td></tr><tr><td>Input/ Output Signal</td><td>Signal type</td><td>HDMI 1.3</td></tr><tr><td></td><td>Channel</td><td>4in 4 out,4 in 8 out,8 in 4 out</td></tr><tr><td>lmage processing</td><td>Display mode</td><td>Roaming, overlay,zoom in/out, multi-windowing, scene switch,PIP,full screen and combination screen</td></tr><tr><td></td><td>Input resolution</td><td>1080p</td></tr><tr><td></td><td>Scene/Signal switching time</td><td>Millisecond-level switching</td></tr><tr><td></td><td>Number of signal copy</td><td>Up to 8</td></tr><tr><td></td><td>Single-screen window</td><td>4 windows on each two screens</td></tr><tr><td></td><td>Signal preview</td><td>Optional</td></tr><tr><td>Controlfunction</td><td>Control structure</td><td>Software /Hardware</td></tr><tr><td></td><td>Control method</td><td>RS232/Network/ Keypad and compatible with third partycontrol system</td></tr><tr><td></td><td>Management mode</td><td>C/S, Mobile</td></tr><tr><td>Stability</td><td>Safety</td><td>Hardware structure, no virus interference</td></tr><tr><td></td><td>MTBF</td><td>50000h</td></tr><tr><td></td><td>Continuity</td><td>365 days,7x24 hours operation</td></tr><tr><td>Working environment</td><td>Operating temperature</td><td>-15~60℃</td></tr><tr><td></td><td>Storage temperature</td><td>-30~75℃</td></tr><tr><td></td><td>Operating humidity</td><td>10 to 90% without condensation</td></tr><tr><td></td><td>Storage humidity</td><td>5~95% without condensation</td></tr></tbody></table>