A: SH-820HD DVB-S2 no DVB-S2 NO CCTV Features：
Support S/S2
Support QPSK, 8PSK, 16APSK, 32APSK
Compatible with S、S2、CBS MPEG-4 and ABS-S Signal
Automatically identify S/S2 signals
3.5 Inch HD TFT LCD screen
MPEG-2/4/AVS plus/ HEVC/H.265 decoding video format and 1080P Full HD
Easy operation OSD design
Quick satellite signal finding
Program play、video monitoring
Quick satellite antenna installation
Global satellite data preset
Satellite parameters editable
Support DISEqC1.0、DISEqC1.1
Easy operation DISEqC1.2、USALS OSD design
Multiple satellites/TPs scan、blind scan
Display POWER、BER、MER、C/N、NIT value
Sound prompt when signal locked
Signal locked indicating light
13/18 volts indicating lights
22K indicating light
LNB short-circuit protection and warning
Audio and video input
HD1.4 output
Button with lights
Shock protects case
Upgrade software & parameters through U disk
Support USB PVR, MP3, JPG photo playback
Removable battery design
High capacity LI-ION battery 11.1V 3000mA
B: SH-820HD DVB-S2+DVB-T2 no CCTV Features：
SH-820HD
Support S/S2/T/T2/C
Support QPSK, 8PSK, 16APSK, 32APSK
Compatible with S、S2、CBS MPEG-4 and ABS-S Signal
Automatically identify S/S2 signals
3.5 Inch HD TFT LCD screen
MPEG-2/4/AVS plus/ HEVC/H.265 decoding video format and 1080P Full HD
Easy operation OSD design
Quick satellite signal finding
Program play、video monitoring
Quick satellite antenna installation
Global satellite data preset
Satellite parameters editable
Support DISEqC1.0、DISEqC1.1
Easy operation DISEqC1.2、USALS OSD design
Multiple satellites/TPs scan、blind scan
Display POWER、BER、MER、C/N、NIT value
Sound prompt when signal locked
Signal locked indicating light
13/18 volts indicating lights
22K indicating light
LNB short-circuit protection and warning
Audio and video input