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Wireless Serial Server, 802.11g, 1-Port: RS-232

Connect your legacy serial devices over your wireless network.


Please call 877-877-2269 for a replacement product or part.

Product Features

  • Perform remote device monitoring and diagnostics.
  • Use your tried-and-true serial equipment over a wireless network.
  • Ideal in areas where running cable is not an option.
  • Use in applications requiring COM ports, serial tunneling, TCP, or UDP sockets.
  • Enable you to perform remote device monitoring and diagnostics.


  • Comply with the 802.11g (54-Mbps) or the 802.11b (11-Mbps) standard.
  • Rugged IP30 enclosure offers DIN rail or panel-mount options.
  • Security features include WEP, WPA, EAP, Cisco LEAP, and passwords.

  • Tech Specs

    CE Approval Yes
    Connectors Serial: LWS405A: Terminal Block; All others: DB9 M
    Indicators LEDs: All: Power, Link Active; All except LWS405A also have: Signal Strength
    Operating Temperature LWS405A: 32 to 158° F (0 to 70° C); All others: 32 to 140° F (0 to 60° C)
    Power Input: Terminal Block: LWS405A: 10–30 VDC; All others: 12–30 VDC/24 VAC
    Protocols TCP, IP, ARP, DHCP, HTTP, UDP, ICMP
    Size LWS405A: 6"H x 2.3"W x 5.2"D (15.2 x 5.8 x 13.2 cm); All others: 6.9"H x 2.3"W x 5.7"D (17.5 x 5.8 x 14.5 cm)
    Speed 230.4 kbps; Wireless transmission: 802.11g: 54 Mbps, 802.11b: 11 Mbps
    NOTE: MEI on the LWS402A and LWS404A denotes multielectrical interface via RS-232/422/485 support.

    * Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 877-877-2269.


    Double Diamond Warranty Diamond

    Double Diamond™ Warranty (Standard)

    Take the risk out of equipment purchases with the Double Diamond™ Warranty from Black Box Network Services.

    The Double Diamond Warranty is our warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

    The Wireless Serial Server, 802.11g, 1-Port: RS-232 comes with a standard None already included.

    During the warranty period, Black Box Network Services will repair or replace your damaged equipment within one week of receipt at NO CHARGE!*

    Plus, get an Extended Double Diamond Warranty.

    You can also extend your warranty or protect a previously purchased Black Box® brand product** for an additional year—for only 10% of the purchase price! Or, extend your coverage for a full three years for only 20% of the purchase price!

    Ordering an extended warranty is easy: When viewing a product in your shopping cart, just select the one or three years of additional coverage in the dropdown menu under “Warranty Options.” For details, contact Customer Service at 724-746-5500.

    * Warranty subject to certain exclusions and limitations ** Certain products may not be eligible.

    What’s more, we also have a 45-day return policy. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package, and receive a full refund.