Comparison Romsat TR-9020HD vs Ergo DVB-T2 1638

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	Romsat TR-9020HD	Ergo DVB-T2 1638
	from $17.16 Outdated Product	from $17.16 up to $26.67 Outdated Product
all specs only differences
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Main		Memory for 1000 channels. Sturdy metal body.
Type	TV tuner	TV tuner
Digital tuner	DVB-T (terrestrial) DVB-T2 (terrestrial)	DVB-T (terrestrial) DVB-T2 (terrestrial)
Connectors
HDMI	1	1
USB 2.0	1	1
AV output
Coaxial output
Antenna input
More features	Antenna output (TV)	Antenna output (TV)
General
Remote control	+	+
Cooling system	passive (no fan)	passive (no fan)
Dimensions (WxHxD)	168x37x105 mm
Weight	484 g
Added to E-Catalog	january 2019	june 2018

Coaxial output

In this case, the term coaxial refers to a type of SP/DIF interface that uses an electrical cable with an RCA connector. This interface provides sound transmission, including multichannel, in digital format; at the same time, the electrical cable is more susceptible to interference than the optical one, but is not as fragile.