Best quality Wholesale Digital signage TV Box HD-M21B
LCD Digital signage Android Controller Player HD-M21B
Output : HDMI 1.4 4K 30HZ ,1080P; LVDS 1080P ;EDP 1080P;HDMI IN 1080P/TF Card（Optional）
Android system version :7.1.2
Supported video resolution : HD or 4K
Wi-Fi version: 2.4G
USB Interface :2 USB 2.0 and 4 extended :USB2.0
HD-M21B Box is an LCD controller from Huidu Technology, it use RK3288 quad-core chip solution, the main frequency is up to 1.8GHz. Come with a Wi-Fi module, no need to deploy server, support mobile APP sending programs. It also supports optional 4G module to sending programs remotely via the Internet; In addition, it also supports U-disk, TF card display programs.
M21B with an HDMI output, which can play various formats of video, and support up to 4K high-definition video display. In addition. M21B also supports programs such as text, clock, weather, HTML, and streaming media.
M21B comes with a 3.5 mm dual-channel audio output interface that can play sound directly. It is standard with 2GB DDR, 8GB memory, and supports customization of other configuration combinations.
M21B can be widely used in the control of commercial display advertising machines and interactive all-in-one machines in the fields of security, medical treatment, transportation, finance.
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