usb rs232 485

• Jagu-PC USB to RS232 RS485 UART TTL Signal Converter

  

  Go to see$49.39

• New Zksoftware Bio Office U160 Employee Entry Biometric Fingerprint Time Attendance System Punch Clock 3 Inches Color TFT Screen TCP/IP Ethernet Ports USB-Device RS232/485 Communication, Store 3200 Fingerprint patterns and 100000 Transaction Records, 5V DC CE UL Power Supply, Widely Used for Company/Office Room/School/Restaurant/Retail Store/Factory/Construction Site/Hospital/Medical Clinic/Small medium enterprise/Motel/Hotel and many other Fields

  

  Go to see$120.47

• StarTech.com 2 Port USB to RS232 RS422 RS485 Serial Adapter with COM Retention ICUSB2324852 (Grey)

  

  Go to seeToo low to display

• USB 2.0 USB2.0 to RS-485 RS485 RJ45 RJ-45 Interface Serial Port COM Adapter Converter FTDI FT232 FT232R Chipset

  

  Go to see$14.98

• HQRP SET: 2 PCS SMA Male 46MM GSM GPRS 433MHz Antenna 2DBI for 433M RS485 Wireless Transceiver Module DTU UART RS232 485 422 RF Smart Home plus HQRP Coaster

  

  Go to see$6.95

• AllLife PL2303 USB To RS232 TTL Auto Converter Module Converter Adapter 5V 3.3V Output

  

  Go to see$4.43