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CHAPTER 1 Product Introductions
General Description
DMH-141 series encoder & modulator is ALCAD's consumer electronics which allow
audio/video signal input in TV distributions and video recorded and playback from a USB
port with applications in home entertainment, surveillance control, hotel Digital Signage,
shops etc.
It is an all-in-one device integrating MPEG-4 AVC/H.264 encoding and modulating to
convert audio/video signals into DVB-T RF out.
The signals source could be from satellite receivers, closed-circuit television cameras,
Blu-ray players, and antenna etc. its output signal is to be received by a DVB-T standard
TV, DVB-T STB etc.
DC 12V
Grounding
HDMI
RF in
RF out
YPbPr/S‐Video/
AV in
Grounding: to connect the earth cable
DC 12V: power input
HDMI: HDMI video input
YPbPr/S-Video/AV: : YPbPr/S-Video/AV signal input through a VGA adapter cable
RF in: to combine input RF signal (10 dB attenuation)
RF out: to distribute modulated signal (30-960 MHz, 71~91 dbμV)
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