Your automation, our passion.

+1.330.486.0001  |  HPD Support Login  |  Newsletter Signup

DeviceMaster ® FreeWire

Limited Availability -- please contact the Pepperl+Fuchs Comtrol sales team for additional information.

Flexible, secure, rugged, and compatible wireless device server from Comtrol with 802.11b/g wireless communications in an IP40-rated steel housing.

Part Number: 31300-7

  • Wireless serial bridge features 802.11b/g wireless communications with option of direct 10/100 Ethernet connection
  • Industry leading wireless security supporting WPA, WPA2, WEP and PSK or 802.11x authentication with TTLS, TLS, LEAP, PEAP, and FAST
  • Enterprise level security features including access control lists, protocol and application enable/disable control, read and write configuration passwords, and SNMP community name configuration
  • Widest variety of management options including HTTP, Telnet, Windows-based utility, console port, and SNMP
  • WLAN roaming
  • Devicemaster freewire contains rugged, IP40-rated steel housing with side flange mounting
  • supports a wide variety of installation options
  • Windows COM port redirector software ensures seamless
  • integration with applications by mapping remote serial ports to local PC COM ports
  • Supporting Windows 7 and Windows 2008 Server
  • IPv6 support

Flexible, secure, rugged, and compatible serial device server. DeviceMaster FreeWire, the latest addition to Comtrol's DeviceMaster family of serial device servers, enables communication to remote serial devices via 802.11g wireless or direct wired 10/100 Ethernet technologies. In addition to providing flexible connection options for use in the widest range of applications, the FreeWire offers the strongest wireless security available; ensuring compatibility with the most secure wireless standards employed in today's enterprise environments. Like other DeviceMaster products, the FreeWire is packaged in a rugged, galvanized, IP40 rated steel enclosure facilitating installation in a wide variety of environments.

DeviceMaster FreeWire provides flexible connection options for use in a wide range of applications. For easy installation, the DeviceMaster FreeWire includes COM port redirector software for mapping local COM ports to the remote FreeWire serial connection, an extensive management and configuration utility, an integrated web server for remote configuration from any networked PC, Telnet, and serial console administration.

  • DeviceMaster FreeWire Device w/ Antenna
  • Power Supply
  • US Power Cord
  • Euro Power Cord
  • Rubber Bumpers
  • Loopback Plug
  • Bus Interface Specification
  • Enclosure Metal IP40 rating
  • Installation Method Panel Mountable
  • LED Indicators POWER, 10 Mbps and 100Mbps
  • Dimensions 4.95" x 0.95" x 2.96"
    125.7 x 24.1 x 75.2 mm
  • Product Weight 0.76 lbs
    0.34 kg
Electrical Specifications
  • Device
    • DC Input Voltage 4.75 –5.25 VDC
    • Current Consumption +5VDC 600 mA
    • Power Consumption (maximum) 3 W
  • Comtrol External Power Supply
    • Output Voltage 5VDC
    • Output Current
    • +5VDC 2.5 A
    • Line Frequency 50/60 Hz
    • Line Voltage 100-240 VAC
  • ESD Surge Protection Provides minimum of 15KV protection for all serial lines.
Environmental Specifications
  • Air temperature
    • System On 0 to 50° C
    • System Off -20 to 70° C
  • Operating Humidity (non-condensing) 10% to 90%
  • Altitude 0 to 10,000 Feet
    3,048 m
  • Heat Output 10.24 BTU/Hr

Serial Communications

  • Connector Type DB9M
  • Supported Standards RS-232
  • Baud Rate 300 bps to 921 kbps
    • Receive Buffer 1,024 bytes
    • Transmit Buffer 4,096 bytes
  • Device Driver Data Control
    • Data Bits 7 or 8
    • Parity Odd, Even or None
    • Stop Bits 1 or 2
    • Flow Control Hardware or Software

Network Specifications

  • Ethernet interface 10/100 Base-T
  • WLAN/ Ethernet protocols 802.11b/g, ARP, TCP, Telnet, ICMP, SNMP, DHCP, BOOTP, Auto IP, HTTP, SMTP, TFTP, SLP, DNS, Dynamic DNS, RFC2217, WLAN Roaming
  • Wireless Security WPA and WPA2 (personal and enterprise modes), PAP, MS-CHAPv2, 802.1x EAP with TLS/TTLS/LEAP/PEAP/FAST, WEP
  • Data rates with automatic fallback 54MBPS, 48MBPS, 36MBPS, 24MBPS, 18MBPS, 12MBPS, 11MBPS, 9MBPS, 6MBPS, 5.5MBPS, 2MPBS, or 1MBPS
  • Frequency Range 2.4 GHZ ISM Band
  • Operating Range 100 m
  • Transmitter Output - 802.11g mode
    • Channel 2-10, 12, 13 15dBm
    • Channel 11 14 dBm
    • Channel 1 12 dBm
  • Transmitter Output - 802.11b mode
    • Channel 1-14 14 dBm
  • Receiver Sensitivity (PER < 10%) - 11g:
    • 54Mbps -68 dB Min
    • 48Mbps -68 dB Min
    • 36Mbps -75 dB Min
    • 24Mbps -79 dB Min
    • 18Mbps -82 dB Min
    • 12Mbps -84 dB Min
    • 9Mbps -87 dB Min
    • 6Mbps -88 dB Min
  • Receiver Sensitivity (PER < 10%) - 11b:
    • 11Mbps -82 dB Min
    • 5.5Mbps -84 dB Min
    • 2Mbps -86 dB Min
    • 1Mbps -88 dB Min
  • External Antenna Type Detachable RP-SMA connector with dipole swivel 2.0dB gain
  • Operating Mode Infrastructure, ad-hoc


  • Management Tools FreeWire Management Utility (Windows GUI), Web Browser Interface, Command Line Console (accessible via serial port or TELNET), SNMP MIB I and II, On-Line Help
Export Information
  • Packaged Shipping Weight 2.13lbs
    0.97 kg
  • Package Dimensions 10.25" x 7.50" x 3.38"
    260.4 x 190.5 x 85.9 mm
  • UPC Code
  • Country of Origin Japan
  • ECCN 5A992
  • Schedule B Number 8473.30.1180
  • FCC License Number N6C-SX10WG

Device Drivers

  • Windows Vista/XP/2003/2000
  • Windows Server 2008/2003
  • Microsoft® Windows® 7
Regulatory Approvals
  • Emissions European Standard EN55022 EN 301 489-1
    EN 301 489-17
    EN 300 328
    FCC Part 15 Subpart B and Subpart C: Class B limit AS/NZS 4268
    CISPR 22 Class B limit
  • Immunity EN55024: IEC 1000-4-2/EN61000-4-2: ESD
    IEC 1000-4-3/EN61000-4-3: RF
    IEC 1000-4-4/EN61000-4-4: Fast Transient
    IEC 1000-4-5/EN61000-4-5: Surge
    IEC 1000-4-6/EN61000-4-6: Conducted Disturbance
    IEC 1000-4-11/EN61000-4-11: Dips and Voltage Variations
  • Safety IEC 60950/EN60950
    CSA C22.2 No. 60950/UL 60950
  • Other Regulatory Approvals European Standard: RoHS 2 Compliant under CE
Find a Distributor

» Industrial Distributors
» North American Distributors
» International Distributors

Pre-Sales Questions

Pepperl+Fuchs Comtrol's Pre-sales Team
For sales questions or to locate a reseller near you.

Fax: +1.330.405.4710
[email protected]

Pepperl+Fuchs Comtrol's Industrial Automation Sales
For sales questions or to locate an industrial distributor near you.

Fax: +1.330.405.4710
[email protected]

Product Support and Service Information

Part Number: 31300-7

Sales Support

Call +1.763.957.6000, or e-mail [email protected]

Technical Support

For technical assistance, our U.S.-based technical support team is only a phone call away.

Call +1.763.957.6000, or visit our forum .


Comtrol offers a 30-Day satisfaction guarantee and a 5-year limited warranty on all DeviceMaster FreeWire products! View Warranty

Extended Warranty Available

Software & Drivers
» Comtrol FTP Site