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Type			GT20Q-SM(U)(1)	GT20Q-SM(R)
Scanner	Method		Area Sensor
	Readable codes	2D Code	QR code, Micro QR code, SQRC, iQRcode, Data Matrix (ECC200), PDF417, Micro PDF417, Maxi code, Aztec, GS1 Composite
	Readable codes	Barcodes	EAN-13/8 (JAN-13/8), UPC-A/E, UPC/EAN(with add-on), Interleaved 2 of 5 (ITF), Standard 2of 5 (STF), CODABAR (NW-7), CODE39, CODE93, CODE128, GS1-128 (EAN-128), GS1 Databar (RSS)
	Minimum resolution	2D Code	0.167mm
	Minimum resolution	Barcodes	0.125mm
	Marker		Area guide marker
	PCS value		not less than 0.30
	Angle		±50°
	Skew angle		360°
	Image capture		BMP, JPEG output, thumbnail view
	Scanning confirmation		Confirmation LED (Blue, Green, Red), Buzzer (with 3-level volume control and 3-level tone control)
Communication interface	Method		USB	RS-232C
	Connector		USB connector(A type)	Dsub-9S
	Cable		2m	2m, 5m
Power	Power supply		Supply from the connection(2)	Directed AC adapter
Environment requirements	Protection rating		IP65
	Drop resistance(3)		2.0 m × 60 times on a concrete floor
	Operating temperature		-20 to 50℃
	Operating humidity		10 to 90% RH (without dews)
Weight (excl. cable)			Approx. 180 g

Two methods are supported: a USB keyboard interface and a USB-COM interface. The factory default is a USB keyboard interface for GT20B and a USB-COM interface for GT20Q.
Please check the connection beforehand because this type of connection may not be possible depending on the model of the PC or USB hub.
Result obtained in a test under regular temperature is shown and not meant as a guarantee.