Home
Manufacturer
Quatech, Inc.
USB to Serial Converters

Quatech, Inc.- USB to Serial Converters

Quatech, Inc. is a designer and manufacturer of high-performance device networking and connectivity solutions, originally founded in 1983 and headquartered in Hudson, Ohio, USA. The company specializes in enabling reliable machine-to-machine communications for industrial and commercial applications via secure 802.11 wireless or traditional wired networks. Quatech’s product portfolio includes industrial-grade embedded radios, RF modules, board-level solutions, external device servers, and network bridges. One of its core product lines is the Airborne™ wireless device server series, providing Wi-Fi and Ethernet connectivity for remote equipment. The company also offers serial-to-Ethernet device servers and USB/serial adapters under the QSE and ESC families, ensuring port expansion and secure data transmission. Quatech’s solutions are widely used in transportation, healthcare, retail, and industrial automation sectors. In 2011, Quatech was acquired by B&B Electronics, which later became B+B SmartWorx. Subsequently, in 2015, B+B SmartWorx was acquired by Advantech Co., Ltd., forming the Advantech IIoT Group. Today, Quatech’s products are integrated into Advantech’s comprehensive industrial IoT connectivity portfolio, leveraging decades of expertise in rugged, reliable communication technologies. Quatech is recognized as a pioneer in industrial wireless M2M communication, with a strong reputation for secure, hardened solutions.

USB to Serial Converters - 型号列表

166 parts in total

Mfr Part #	Quantity Available	Price	Product	Data Rate	Interface	RoHS	Size / Dimension	Operating Temperature	Voltage - Supply	Number of Channels	Product Category	Standard Package	Series	Mechanical Life	Packaging	Function	Part # Aliases
QSU2-540 Interface Modules Ind USB Serl Adapter USB 4 prt RS-xxx MEI B&B Electronics (Quatech)	10	1: ¥2,501.87	USB to RS-232/RS-422/RS-485	921.6 kbps	RS-232, RS-422, RS-485, USB	RoHS Compliant	180 mm x 110 mm x 25 mm	+ 70 C	9 V to 24 V	4	Interface Modules	-	-	Obsolete	Bulk	RS-232/422/485 MEI with USB cable	-
ESU2-100 Interface Modules USB 2.0 Serial Adapt er 8-Port RS-232 USB 2.0 SERIAL ADAPTER 8 PORT B&B Electronics (Quatech)	10	1: ¥2,398.496	USB to RS-232	921.6 kbps	RS-232, USB	RoHS Compliant	6.52 in x 5.2 in x 1.31 in	+ 70 C	5 V	8	Interface Modules	1	*	-	-	-	-
QSU2-100 Interface Modules USB 2.0 Serial Adapt er 4-Port RS-232 USB 2.0 SERIAL ADAPTER 4 PORT B&B Electronics (Quatech)	10	1: ¥1,358.504	USB to RS-232	921.6 kbps	RS-232, USB	RoHS Compliant	6.52 in x 5.2 in x 0.72 in	+ 70 C	5 V	4	Interface Modules	1	*	-	-	-	-
QSU2-400 Interface Modules Serial Adapter 4port USB to RS232/422/485 USB 2.0 SERIAL ADAPTER 4 PORT B&B Electronics (Quatech)	10	1: ¥1,761.20	USB to RS-232/RS-422/RS-485	921.6 kbps	RS-232, RS-422, RS-485, USB	RoHS Compliant	6.52 in x 5.2 in x 0.72 in	+ 70 C	5 V	4	-	1	*	-	-	-	-
SSPXP-200/300 Interface Modules 1 PRT PRFMNC PCIe-bs RS-422/485 SRL EXP SERIAL EXPRESSCARD 1 PORT PCIE B B&B Electronics (Quatech)	10	1: ¥1,074.29	Serial Express Card	921.6 kbps	RS-422, RS-485	RoHS Compliant	34 mm	-	-	1	Interface Modules	1	*	End of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.	-	-	-
XUSPTL4 Interface Modules USB TO 422/485 W/ TB Converter w/ Term Bl B&B Electronics (Quatech)	-		USB to RS-422/RS-485	921.6 kbps	RS-422, RS-485	-	3.5 in x 1.7 in x 0.8 in	+ 70 C	2 kV	-	-	-	-	-	-	-	-
2 SPP-100 Interface Modules EPP PARALLEL PCMCIA CARD B&B Electronics (Quatech)	10	1: ¥1,018.164	Enhanced Parallel Ports	700 kbps	Parallel	RoHS Compliant	-	+ 70 C	3.3 V, 5 V	1	Interface Modules	-	-	-	-	-	SPP-100
QSU2-540IS Interface Modules Ind USB Serl Adapter USB 4 prt RS-xxx Opt B&B Electronics (Quatech)	10	1: ¥2,811.90	USB to RS-232/RS-422/RS-485	921.6 kbps	RS-232, RS-422, RS-485, USB	RoHS Compliant	180 mm x 110 mm x 25 mm	+ 70 C	9 V to 24 V	4	Interface Modules	-	-	Obsolete	Bulk	RS-232/422/485 MEI with USB cable and 3000V DC to DC isolation	-
SS-USB-100 Interface Modules 1 Port USB to RS-232 Serial Cable B&B Electronics (Quatech)	27	1: ¥201.144	USB to RS-232	460.8 kbps	RS-232, USB	RoHS Compliant	-	+ 70 C	5 V	1	Interface Modules	-	-	-	-	-	-
485USBTB-4W Interface Modules USB TO SR 1 PT, w/TB USB to Ser Mini Conv B&B Electronics (Quatech)	10	1: ¥656.676	USB to RS-485	921.6 kbps	RS-485	RoHS Compliant	2.3 in x 1.3 in x 0.6 in	+ 70 C	5 VDC	-	-	-	-	-	-	-	-
MESR902T Interface Modules DIN ESS, 2 PORT, CU Ind Modbus Eth to SS B&B Electronics (Quatech)	10	1: ¥3,902.996	Ethernets to Serials	230.4 kbps	RS-232, RS-422/485	RoHS Compliant	1.2 in x 3.2 in x 4.7 in	+ 80 C	10 VDC to 48 VDC	2	-	-	-	-	-	-	-
X485SD9TB Interface Modules 9PIN 232/485 CV W/SD Prt Pwr 232/485 w/TB B&B Electronics (Quatech)	-		RS-485 Converters	115.2 kbps	RS-485	-	3.5 in x 1.34 in x 0.67 in	-	-	2	-	-	-	-	-	-	-
USO9ML2 Interface Modules USB TO ISO RS-232 Converter w/ DB9 M B&B Electronics (Quatech)	10	1: ¥889.576	USB to RS-232	460.8 kbps	RS-232	RoHS Compliant	3 in x 1.7 in x 0.9 in	+ 70 C	2 kV	-	-	-	-	-	-	-	-
4WSD9OTB Interface Modules 9PN ISO CON W/TB&LED Isolated RS-485 Conv B&B Electronics (Quatech)	10	1: ¥903.04	Isolated Universal Converters	115.2 kbps	RS-232	RoHS Compliant	3.9 in x 1.7 in x 0.9 in	+ 70 C	10 V to 48 V	1	-	-	-	-	-	-	-
232USB9M Interface Modules USB TO SER 1 PT USB to Ser Mini Conv B&B Electronics (Quatech)	10	1: ¥475.796	USB to RS-232	460.8 kbps	RS-232	RoHS Compliant	2.3 in x 1.3 in x 0.6 in	+ 80 C	-	-	-	-	-	-	-	-	-
SCP211T-DFTB3 Interface Modules SER CONVER, NON-ISOL Pan Mnt, Wide Temp B&B Electronics (Quatech)	10	1: ¥878.016	RS-232 to RS-422/RS-485	460.8 kbps	RS-232, RS-422/485	RoHS Compliant	3.9 in x 0.9 in x 2.9 in	+ 80 C	10 VDC to 30 VDC	-	-	-	-	-	-	-	-
SPPXP-100 Interface Modules EPP PARALLEL PCMCIA CARD W/54mm SLOT ADP B&B Electronics (Quatech)	10	1: ¥1,176.06	Parallel Express Cards	921.6 kbps	Parallel	RoHS Compliant	34 mm	-	-	1	-	-	-	-	-	-	-
485USB9F-2W Interface Modules USB TO SR 1 PT, DB9F USB to Ser Mini Conv B&B Electronics (Quatech)	10	1: ¥656.676	USB to RS-485	921.6 kbps	RS-485	RoHS Compliant	2.3 in x 1.3 in x 0.6 in	+ 70 C	5 VDC	-	-	-	-	-	-	-	-
UHR304 Interface Modules USB 4 PT UP/DOWN HUB 4kV Iso, 4-Port USB B&B Electronics (Quatech)	10	1: ¥2,061.828	Industrial Grade 4 Port USB Hub	12 Mbps	USB	RoHS Compliant	6.6 in x 3.5 in x 1.4 in	+ 80 C	-	4	-	-	-	-	-	-	-
232OPDRI-PH Interface Modules Ind RS-232 REPEATER RS-232 Isolated B&B Electronics (Quatech)	10	1: ¥2,058.496	RS-232 Isolated Repeaters	115.2 kbps	RS-232	RoHS Compliant	132.4 mm x 92.9 mm x 33 mm	+ 85 C	10 VDC to 48 VDC	-	-	-	-	-	-	-	-