Where to buy?

Smart-Stb, Switzerland

BOX HS 257

Discover Why HS 257

HS 257 is a unique open platform. You can make changes to our Set-Top Box software as well as integrate with other developers’ software, Most Kodi, 4K HEVC and ULTRA HD, Android, Linux.

Premium IPTV/OTT Set-Top Box
HEVC 4K technology support

HS257 is equipped with video compression technology, used to playback the video of high quality 4K 3D.

Increased productivity

Larger RAM and powerful media processor Quad Cortex-A15 allowed us to increase the velocity of STB.

Improved connectivity

HS257 is equipped with dual band Wi-Fi module, and USB ports. This expands Internet connection and external carriers usage opportunities

High Quality of Sound and Image

The audio HDMI allows connecting multichannel HighEnd system to the Set-Top Box. HDMI 1.4A provides the highest quality of sound and image.

Easy handling

The remote control allows you to manage the HS 257 converter box, but also other equipment. For more comfort, you can connect to the HS 257 via the USB port, a keyboard and a mouse without son and use the Remote app for smartphones that run Android and iOS.

Quality and speed guaranteed!

The HS 257 uses technology HEVC 4K, allowing make videos of high definition at an average speed of data transfer.

URL Portal Management Facility

Android Linux OS twice with 3 Portal Stalker, the provision of Kodi as aditional solution.

Many connection possibilities!

The HS 257 converter box is equipped with Wi-Fi and USB outputs, which expanded the connection possibilities to the Internet and the use of external media.

  • HS 257
Width/depth/height, (mm) 127/87/30
Weight, g 190
Processor Quad Cortex-A15
RAM 2 Gb
Flash memory 8 Gb
Operating system Android, Linux

Built-in Media Portal with WebKit-based IPTV-functionality HTTP 1.1, HTML 4.01 XHTML 1.0/1.1; DOM 1, 2, 3, CSS 1, 2, 3; XML 1.0, XSLT 1.0, XPath 1.0 ; SOAP 1.1; JavaScript ECMA-262, revision 5; Media JavaScript API; C layer SDK
DRM option Secure Media
Middleware supported Stalker

MPEG 1/2/2.5, Audio Layer 1/2/3, WMA Version 4/4.1/7/8/9, WMA Pro, LPCM, PCM, Vorbis, Flac, ALAC, APE, AAC-LC/HEAAC/HE-AAC v2, Real Audio(AC-3 Optional ) Ethernet 100 Mb/s USB 2.0, WiFi.
Sources of media content

PC and NAS in local network, Stream media protocols (RTSP, RTP, UDP, IGMP, HTTP), USB-devices
Audio сodecs MPEG 1/2/2.5, Audio Layer 1/2/3, WMA Version 4/4.1/7/8/9, WMA Pro, LPCM, PCM, Vorbis, Flac, ALAC, APE, AAC-LC/HEAAC/HE-AAC v2, Real Audio(AC-3 Optional )
Audio formats MP3, WMA, WAV, OGG, M4A, MP4, AAC, APE, FLAC, ALAC, MPEG, MP1, MP2, MPA etc.
Video modes 4K (4096 x 2160 pixels),Ultra HD (3840 x 2160 pixels) 1080i, 1080p, 720p, 576p, 480р, PAL, NTSC
Video сodecs H.265 decoding up to 4K×2K@30fps .H.264 HP@L5.1 up to 4K×2K@30fps SVC, MVC, VC-1/WMV, AVS, WebM, RMVB, MPEG1/2/4, MJPEG, H.263, DivX 3/4/5, Xvid, Real Video, VP6/8
Video containers MKV, TS, M2TS, MOV, MP4, RM, RMVB, AVI, MPG, MPEG, DAT, VOB, FLV etc.
Image formats JPEG, PNG, BMP, GIF, RAW
Subtitles DVB, SRT, text MKV
Playlist formats M3U
Standard set

HS 257/ Set-Top Box, cable HDMI, Power adapter 5V 200mA, remote control, , packaging
HS 257 video review
Free Stalker Middleware