Antaira STW-602C 2-Port RS-232/422/485 Serial to Wi-Fi Device Server

Antaira STW-602C 2-Port Industrial RS-232/422/485 To Wi-Fi Device Server
Model: STW-602C
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Antaira STW-602C Industrial 2-Port RS-232/422/485 Serial to Wi-Fi Gateway

The STW-602C from Antaira Technologies a serial to Ethernet gateway which connects serial devices to new or existing networks. It features a Fast Ethernet port, a wireless network interface (IEEE802.11g, 54Mbps), and two serial ports that may be configured as an RS-232, RS-422, or RS-485 connection.

The STW-602C offers full-duplex, bi-directional data transmission between serial ports and Wireless LAN.  It features WEP or WPA security encryption.  It uses Virtualcom software to create virtual COM ports for the host computer. With a wide operating temperature range, 15 kV port isolation, and rugged DIN-rail mounting, the STW-602C is equipped for any industrial setting.


  • Fanless, Industrial grade serial to wireless Ethernet server
  • 2 software selectable RS-232/422/485 serial ports
  • IEEE 802.11g 54Mbps wireless interface
  • Powered by 32-bit, 150 MHz RISC processor with MMU, 32 MB SDRAM, and 10 MB flash memory
  • Supports UDP, TCP Server/Client protocols for virtual COM and tunneling modes
  • Configure with the console port, telnet, built-in web server, or a Windows-based utility
  • Firmware upgradeable via wired or wireless network
  • Compact metal housing with DIN-rail mounting
  • 15 kV ESD protection for serial ports
  • Status and activity LED indicators
  • Operating temperature range from -20 to 70°C
  • Paddle antenna, barrel connector, and mounting brackets included
  • Power supply sold separately
  • 5-year warranty
TypeSerial to WiFi
Ethernet Ports1 x Fast, 10/100TX
StandardsIEEE 802.11b/g
ProtocolICMP, IP, TCP, UDP, DHCP Client, Telnet, DNS, SNMP, HTTP, SMTP, and SNTP
Serial Interface
Serial Ports2 x RS-232/422/485
Baud Rate110 bps to 921 Kbps
Data Bits5, 6, 7, 8
Stop Bits1 or 2
Flow ControlNone, software, Xon/Xoff, RTS/CTS
Serial Isolation15 KV ESD on terminal block and DB9 connector
Network Management
System ConfigurationWeb browser, telnet, serial console port, and Windows utility
DistanceUp to 300 meters
Data Rate54 Mbps (max.) with automatic fall back
Sensitivity-66 dBm at 54 Mbps, -80 dBm at 11 Mbps
Antenna TypeReverse SMA connector
Encryption SecurityWEP 64-bit / 128-bit, WPA-PSK Compatible (TKIP/AES Encryption)
Transmit Power11b: 15 dBm / 11g: 14 dBm
Input Voltage9 to 48 VDC
Power Consumption4.5 W (transmitting)
Connector TypeDB9 male, 5-pin terminal block, and 8-pin mini-DIN serial connectors
Dimensions45 x 91 x 80 mm (1.77 x 3.58 x 3.15 inches)
Operating Temperature-20° to 70° C
Storage Temperature-40° to 85° C
Humidity5 to 95% non-condensing
CertificationsFCC Class A, CE Class A, UL
Warranty5 years
Tags: STW-602C