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Industrial-grade  FHSS  License-free 900 MHz wireless serial modem802.11b/g WiFi Compliant 900MHz Industrial grade, Long-range, High Speed OFDMModem802.11b/g/nWiFi Compliant 2.4 GHz High speed, Long-range, IP55 Wireless Modemprotocol to I/O and I/O to I/O Industrial 900 MHz Wireless modem: Master, Remote, Repeater or Repeater-remote900 MHz Industrial unlicensed Wireless serial modem- low power, low costIndustrial 900 MHz low-cost Wireless discrete/analog I/O extender as Master, Remote, Repeater or Repeater-remoteIndustrial Wireless Ethernet FHSS 900 MHz radio modemIndustrial 2.4 GHz  protocol to I/O and I/O to I/OWireless I/O extender as Master, Remote, Repeater or Repeater-remote2.4 GHz license-free industrial Wireless FHSS serial radio modem- low power, low costIndustrial 2.4 G low-cost Wireless protocol to I/O and I/O to I/O discrete/analog I/O extender as Master, Remote, Repeater or Repeater-remote2.4 GHz license-free industrial Wireless FHSS Ethernet radio modem- low power, low costIndustrial Wireless Ethernet FHSS 2.4 GHz radio modemIndustrial Wireless Serial FHSS 2.4 GHz radio modemIndustrial Wireless Ethernet chassis mount 900 MHz radio modemIndustrial Wireless Serial FHSS 900 MHz long-range radio modem

Wireless Modems

Serial Radios:
SRM & PlantLinc Families

Smart Spectrum FAQ

See also

Tech Services: Installation: Antennas

Frequency Hopping Spread Spectrum (FHSS)

SRM6030 Unlicensed Wireless Serial Radio Modem
900 MHz

wireless Ethernet radio modem for data transfer in the 902-928 MHz ISM band

Data-Linc Group's SRM6030 license-free wireless serial modem for the 900 MHz ISM band


  • License-free 900 MHz ISM band
  • Range of 25+ miles (40+ km)
  • SmartSpectrumTM technology for maximum data integrity in noisy, industrial environments
  • RS-232/RS-485 data ports
  • AES-256 bit Encryption
  • Separate RS-232 DB9 port for configuration
  • Operates as Master, Remote, Repeater or Repeater/Remote
  • User adjustable hop patterns and frequency zones for refined operation of close proximity networks
  • Replacement for any legacy SRM serial
  • Factory or field configured for easy, trouble-free installation
  • Optional DIN rail mountings

Data-Linc’s 900 MHz serial member of the SmartSpectrumTM Radio Modem Family, the SRM6030, offers a license-free serial modem with superior reliability, versatility and performance for wireless data communication. This latest version provides improved hardware, such as a faster processor, while maintaining Data-Linc's commitment to backward compatibility with its corresponding legacy version, the SRM6000.

Like its predecessors, the SRM6030 serial radio modem employs FHSS (Frequency Hopping Spread Spectrum) technology with proven data communication reliability, in the 900MHz ISM frequency band. Data-Linc's robust modem allows customers to implement a proprietary wireless network in high RFI/EMI environments with the benefit of confidence in unsurpassed data communication integrity, including areas of existing wireless infrastructure.

The SRM6030 is software configurable and has a separate DB9 serial port for independent access to configuration software. Data-Linc’s proprietary SetLincTM software, that is included with the SRM6030 modems, simplifies modem setup and configuration— executed via the dual serial ports (RS-232 or RS-485). For remote sites, web configuration is also an option.

As with all members of the SRM Family of license-free radio modems, the SRM6030 supports both point-to-point and point-to-multipoint network topologies with a virtually unlimited number of radios. Each modem can be individually configured as Master, Remote, Repeater or Repeater/Remote using the included Config-LincTM software. Additionally, the SRM6030 provides not only superior security through AES-256 encryption but also offers a long distance range of 25 miles (40 km) with line-of-sight, farther with Repeaters and/or high gain antennas. The combination of features and benefits supplied by the SRM6030 serial modem continues to support Data-Linc's well-earned reputation for superior reliability, versatility and performance for wireless industrial data communication.

Industrial Applications

The SRM6030 is ideal for industrial automation systems with:

  • PLCs located on moving platforms, overhead cranes and turntables or other revolving equipment
  • Remote PLC programming
  • SCADA systems, such as water/wastewater, utilities and oil/gas systems
  • Underground or off-shore communications
  • High RFI environments (e.g., steel, manufacturing)
  • Industrial automation machine control on plant floors

SmartSpectrum TM: FHSS technologyData-Linc Group's SRM6030 utilizes Smart Spectrum technology— ideal for critical applications that demand reliable and secure communications. See also Smart Spectrum FAQ.

Download a printable pdf (1 MB) version of this SRM6030 data sheet.
To read pdf files you need to have Adobe Acrobat Reader installed on your PC.

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SRM6030 Specifications

Operating Frequency
License-free, 900 MHz wireless serial modem

CD Config-LincTM configuration software
Test antenna
Power supply
User Guide
Rated Range 25 miles (40 km), LOS with omni directional antennas
Output Power 1 Watt maximum, 10 programmable steps up to 1 Watt (30 dB)
Modulation Spread Spectrum, GFSK
Spreading Code Frequency Hopping
Hop Patterns 15 (user selectable)
Occupied Bandwidth 230 KHz
Sensitivity -108 dBm @ 115.2 Kbps for BER10-4
-103 dBm @ 153.6 Kbps for BER10-4
Selectivity 40 dB @ fc ±230 KHz;
60 dB @ fc ±460 KHz
System Gain 138 dB
RF Data Transmission
Error Detection 32 Bit CRC
Data Throughput 1200 Baud - 115.2 Kbaud
Data Encryption 256 bit AES
RS-232/RS-485 Data ports
RS-232 Separate configuration port
Standard thread SMA female
Supplied bench test antenna
Nominal Impedance 50 Ω
Input Voltage 10-28 VDC; wall mount 12 VDC /115-230 VAC power supply included
Transmit Current 650 mA @ 12 VDC (8 Watts)
Receive Current 100 mA @ 12 VDC (1.2 Watts)
Operating Modes
Master, Remote, Repeater, Repeater/Remote
Configuration Software
Config-Linc software included
Front panel LEDs Power, RF Carrier, RF Out, RF In, LAN (Link-Act), Mode LEDs x 4
Operating Environment
-40o to 167o F (-40o to 75o C)
Humidity 0 to 95% non-condensing humidity
Standard 18 gauge steel
2.47 X 3.70 X 6.4 in. (6.274 X 9.398 X 16.26 cm)
Included Optional DIN rail mounting flanges (3)
Weight 1.8 lbs (.82kg)

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Standard Enclosure Dimensions

Dimensions: Short to medium range 900 MHz unlicensed wireless serial modem enclosure dimensions- 900 MHz ISM band

Multiple mounting orientations available with universal mounting brackets. Optional DIN rail clip mounts on the back of the modem.

Smart SpectrumTM Frequency Hopping Technology

SmartSpectrum TM: FHSS technologyData-Linc Group has optimized wireless communications for maximum reliability with Smart Spectrum frequency hopping technology. Smart Spectrum ensures reliable wireless communications without requiring an FCC site license. Smart Spectrum uses a unique combination of advanced frequency hopping, high radio frequency (RF) data rate and sensitive RF receiver.

Smart Spectrum uses a high RF data rate of 188 kbps to ensure adequate throughput data rates even with high interference. Additionally, the outstanding noise immunity when coupled with a sensitive RF receiver allows long range communication with easy-to-install omni directional antennas.

Data-Linc Group's SRM6210E utilizes Smart Spectrum technology— ideal for critical applications that demand reliable and secure communications. See also Smart Spectrum FAQ.

Specifications subject to change without notice.
Smart Spectrum and LincView are trademarks of Data-Linc Group.
All other trademarks are the property of their respective owners.

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