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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.
Interface Modules ULI-232DS RS-232 Isolator, DB9 BB-9SPOP2 Advantech 1: HK$890.23 81In Stock	Mfr. Part No. BB-9SPOP2 Mouser Part No 600-9SPOP2	Advantech	Interface Modules ULI-232DS RS-232 Isolator, DB9	Datasheet	81In Stock	HK$890.23	Min.: 1 Mult.: 1
Interface Modules NX IO Serial RS-232C 1port NX-CIF101 Omron Automation and Safety 1: HK$6,781.83 3In Stock	Mfr. Part No. NX-CIF101 Mouser Part No 653-NXCIF101	Omron Automation and Safety	Interface Modules NX IO Serial RS-232C 1port	Datasheet	3In Stock	HK$6,781.83	Min.: 1 Mult.: 1
Interface Development Tools 2-port RS-232 PCIe Comm. Card w/Iso PCIE-1604C-AE Advantech 1: HK$1,433.73 6In Stock	Mfr. Part No. PCIE-1604C-AE Mouser Part No 923-PCIE-1604C-AE	Advantech	Interface Development Tools 2-port RS-232 PCIe Comm. Card w/Iso	Datasheet	6In Stock	HK$1,433.73	Min.: 1 Mult.: 1
Networking Development Tools DEVELOPMENT KIT, RS232 FOR 3DM-CX5 and CV5 Series (does not include GNSS cable and antenna) Development Kit, RS232 MicroStrain by HBK 1: HK$1,632.66 1In Stock 3On Order	Mfr. Part No. Development Kit, RS232 Mouser Part No 130-DEVELOPTKITRS232	MicroStrain by HBK	Networking Development Tools DEVELOPMENT KIT, RS232 FOR 3DM-CX5 and CV5 Series (does not include GNSS cable and antenna)		1In Stock 3On Order	HK$1,632.66	Min.: 1 Mult.: 1
Interface Development Tools 8-port RS-232 PCI-express UPCI COM card PCIE-1620A-BE Advantech 1: HK$1,330.65 8In Stock	Mfr. Part No. PCIE-1620A-BE Mouser Part No 600-PCIE-1620A-BE	Advantech	Interface Development Tools 8-port RS-232 PCI-express UPCI COM card	Datasheet	8In Stock	HK$1,330.65	Min.: 1 Mult.: 1
Interface Development Tools 8 PORT ASYNC SERIAL COMM PCI CARD PCI-C588 ADLINK Technology 1: HK$3,444.94 1In Stock	Mfr. Part No. PCI-C588 Mouser Part No 976-PCI-C588	ADLINK Technology	Interface Development Tools 8 PORT ASYNC SERIAL COMM PCI CARD	Datasheet	1In Stock	HK$3,444.94	Min.: 1 Mult.: 1
Computer Cables CABLE RS-232 EXT. 100MM SERIES 2 CABLE 426091300-3 Digital View 1: HK$109.49 2In Stock	Mfr. Part No. 426091300-3 Mouser Part No 659-426091300-3	Digital View	Computer Cables CABLE RS-232 EXT. 100MM SERIES 2 CABLE		2In Stock	HK$109.49 HK$97.08 HK$93.38 HK$89.60 View HK$84.67 HK$75.95 HK$73.82 HK$71.02 Quote	Min.: 1 Mult.: 1
Interface Modules An expansion module of RS232 serial communication with isolation M130 M5Stack 1: HK$188.24 12In Stock	Mfr. Part No. M130 Mouser Part No 170-M130	M5Stack	Interface Modules An expansion module of RS232 serial communication with isolation Learn More about M5Stack rs232m interface modules	Datasheet	12In Stock	HK$188.24	Min.: 1 Mult.: 1
Interface Modules An expansion module of RS232 serial communication with isolation M131 M5Stack 1: HK$188.24 22In Stock	Mfr. Part No. M131 Mouser Part No 170-M131	M5Stack	Interface Modules An expansion module of RS232 serial communication with isolation Learn More about M5Stack rs232m interface modules	Datasheet	22In Stock	HK$188.24	Min.: 1 Mult.: 1
Interface Modules ULI-262D RS-232 Modem Data Splitter, DB9 BB-9PMDS Advantech 1: HK$721.55 148In Stock	Mfr. Part No. BB-9PMDS Mouser Part No 600-9PMDS	Advantech	Interface Modules ULI-262D RS-232 Modem Data Splitter, DB9 Learn More about Advantech bbelect serial connectivity	Datasheet	148In Stock	HK$721.55	Min.: 1 Mult.: 1
Interface Modules ULI-232DSH RS-232 (DB9 M/F) Isolator BB-9POP4 Advantech 1: HK$1,058.00 18In Stock	Mfr. Part No. BB-9POP4 Mouser Part No 600-9POP4	Advantech	Interface Modules ULI-232DSH RS-232 (DB9 M/F) Isolator	Datasheet	18In Stock	HK$1,058.00	Min.: 1 Mult.: 1
Interface Development Tools 4-port RS-232 PCIe Comm. Card PCIE-1610B-AE Advantech 1: HK$1,030.79 24In Stock	Mfr. Part No. PCIE-1610B-AE Mouser Part No 923-PCIE-1610B-AE	Advantech	Interface Development Tools 4-port RS-232 PCIe Comm. Card	Datasheet	24In Stock	HK$1,030.79	Min.: 1 Mult.: 1
Interface Development Tools MAX3232 (MAX3232) ADAPTER BOARD MIKROE-602 Mikroe 1: HK$97.65 139In Stock	Mfr. Part No. MIKROE-602 Mouser Part No 932-MIKROE-602	Mikroe	Interface Development Tools MAX3232 (MAX3232) ADAPTER BOARD	Datasheet	139In Stock	HK$97.65	Min.: 1 Mult.: 1
USB Cables / IEEE 1394 Cables 5FT RS232 USB/SERIAL ADAPTER U209-005-COM Tripp Lite 1: HK$335.54 196In Stock	Mfr. Part No. U209-005-COM Mouser Part No 545-U209-005-COM	Tripp Lite	USB Cables / IEEE 1394 Cables 5FT RS232 USB/SERIAL ADAPTER	Datasheet	196In Stock	HK$335.54 HK$305.04 HK$301.67 HK$286.06 View HK$280.80 HK$256.71 Quote	Min.: 1 Mult.: 1
Signal Conditioners & Signal Converters ULI-232TC RS-232 Repeater / Isolator BB-232OPDR Advantech 1: HK$2,223.76 8In Stock 116On Order	Mfr. Part No. BB-232OPDR Mouser Part No 600-232OPDR	Advantech	Signal Conditioners & Signal Converters ULI-232TC RS-232 Repeater / Isolator	Datasheet	8In Stock 116On Order On Order Ship Dates Mfr. No: BB-232OPDR Stock: 8 Can Dispatch Immediately On Order: 74 Expected 5/11/2026 42 Expected 4/1/2027 Factory Lead Time: 12 Weeks	HK$2,223.76	Min.: 1 Mult.: 1
Signal Conditioners & Signal Converters ULI-232DC 3-Way Iso. RS-232 DIN Rail RPT BB-232OPDRI Advantech 1: HK$2,558.23 19In Stock	Mfr. Part No. BB-232OPDRI Mouser Part No 600-232OPDRI	Advantech	Signal Conditioners & Signal Converters ULI-232DC 3-Way Iso. RS-232 DIN Rail RPT	Datasheet	19In Stock	HK$2,558.23	Min.: 1 Mult.: 1
Interface Development Tools Transceiver Breakout - MAX3232 BOB-11189 SparkFun 1: HK$59.68 3,671In Stock	Mfr. Part No. BOB-11189 Mouser Part No 474-BOB-11189	SparkFun	Interface Development Tools Transceiver Breakout - MAX3232 Learn More about SparkFun breakout boards	Datasheet	3,671In Stock	HK$59.68	Min.: 1 Mult.: 1
Interface Development Tools BOOSTXL-RS232 BOOSTXL-RS232 Texas Instruments 1: HK$327.81 1In Stock 6On Order	Mfr. Part No. BOOSTXL-RS232 Mouser Part No 595-BOOSTXL-RS232	Texas Instruments	Interface Development Tools BOOSTXL-RS232	Datasheet	1In Stock 6On Order On Order Ship Dates Mfr. No: BOOSTXL-RS232 Stock: 1 Can Dispatch Immediately On Order: 3 Expected 11/11/2026 3 Expected 16/11/2026 Factory Lead Time: 12 Weeks	HK$327.81	Min.: 1 Mult.: 1 Max.: 5
Signal Conditioners & Signal Converters 9-PIN RS-232 LINE BOOSTER BB-232LB9R Advantech 1: HK$1,030.79 3In Stock 5Expected 28/12/2026	Mfr. Part No. BB-232LB9R Mouser Part No 600-232LB9R	Advantech	Signal Conditioners & Signal Converters 9-PIN RS-232 LINE BOOSTER	Datasheet	3In Stock 5Expected 28/12/2026	HK$1,030.79	Min.: 1 Mult.: 1
Interface Development Tools Grove - RS232 103020192 Seeed Studio 1: HK$72.91 96In Stock	Mfr. Part No. 103020192 Mouser Part No 713-103020192	Seeed Studio	Interface Development Tools Grove - RS232	Datasheet	96In Stock	HK$72.91	Min.: 1 Mult.: 1
Interface Development Tools RS232 click MIKROE-1582 Mikroe 1: HK$147.96 56In Stock	Mfr. Part No. MIKROE-1582 Mouser Part No 932-MIKROE-1582	Mikroe	Interface Development Tools RS232 click Learn More about Mikroe interface click boards	Datasheet	56In Stock	HK$147.96	Min.: 1 Mult.: 1
Interface Development Tools RS232 Isolator click MIKROE-2864 Mikroe 1: HK$550.74 6In Stock 27Expected 12/11/2026	Mfr. Part No. MIKROE-2864 Mouser Part No 932-MIKROE-2864	Mikroe	Interface Development Tools RS232 Isolator click Learn More about Mikroe lektronika 2864 isolator click	Datasheet	6In Stock 27Expected 12/11/2026	HK$550.74	Min.: 1 Mult.: 1
Interface Development Tools RS232 2 click MIKROE-2897 Mikroe 1: HK$147.96 14In Stock	Mfr. Part No. MIKROE-2897 Mouser Part No 932-MIKROE-2897	Mikroe	Interface Development Tools RS232 2 click Learn More about Mikroe lektronika 2897	Datasheet	14In Stock	HK$147.96	Min.: 1 Mult.: 1
Interface Development Tools UART I2C/SPI Click MIKROE-3349 Mikroe 1: HK$238.38 6In Stock 10On Order	Mfr. Part No. MIKROE-3349 Mouser Part No 932-MIKROE-3349	Mikroe	Interface Development Tools UART I2C/SPI Click Learn More about Mikroe 3349 uart i2c spi click	Datasheet	6In Stock 10On Order	HK$238.38	Min.: 1 Mult.: 1
Interface Development Tools M-Bus Master Click MIKROE-3880 Mikroe 1: HK$147.96 11In Stock	Mfr. Part No. MIKROE-3880 Mouser Part No 932-MIKROE-3880	Mikroe	Interface Development Tools M-Bus Master Click Learn More about Mikroe m bus master click	Datasheet	11In Stock	HK$147.96	Min.: 1 Mult.: 1

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