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FREE SHIPPING ON ORDERS OVER $100 AUSTRALIA-WIDE* (T&C's Apply - exc Bulky Items)
FREE SHIPPING ON ORDERS OVER $100 AUSTRALIA-WIDE* (T&C's Apply - exc Bulky Items)
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Signal SD Systems Two-Wire Irrigation Controllers & Accessories

Explore the full range of Signal SD Systems – Australian-designed two-wire irrigation solutions trusted by professionals across commercial landscaping, agriculture, and turf management. Engineered for high performance, simplified installation, and long-term reliability, Signal products include:

  • SDS-50 & SDS-100 Two-Wire Controllers – Powerful, programmable irrigation controllers for up to 96 stations
  • DataCoils™ & DataValves™ – Pre-addressed, decoder-integrated valve solutions for fast, low-cost installation
  • RelayCube™ Modules – Hybrid control expansion for operating conventional 24VAC solenoids
  • DataNodes – Programmable sensor inputs for moisture, flow, tank levels, frost, and more
  • Communication Modules – 4G Modems, WiFi kits, and Ethernet interfaces for full SignalCloud™ access
  • Lightning Protection – Surge protection systems for both controller and field devices
  • Direct Bury Cable & Accessories – Premium two-wire cable, gel connectors, and numbering clips

Signal's patented two-wire system provides real-time communication every 3 seconds between controller and field devices, with full mobile and cloud-based access via SignalCloud and the SDS-LINK mobile app. Whether upgrading an existing system or installing from scratch, Signal SD Systems make irrigation smarter, faster, and easier.

All products are backed by professional-grade engineering and available for fast shipping Australia-wide.

 DOWNLOAD SIGNAL BROCHURE
  • Sale Sale
    $210.00
    $210.00 - $210.00
    $210.00
    $200.00
    $200.00 - $200.00
    $200.00

    Signal SD-DC-2E Two-Wire Replacement DataCoils™ with LED Status Indicators

    SD System SDS Series Data Coils The Signal SD-DC-2E Series DataCoils™ are next-generation two-wire solenoid actuators designed to simplify installa...

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  • $260.00 - $475.00
    From $260.00
    $260.00 - $475.00
    $260.00

    Bermad 200 Series 2-Way DataValves with Flow Control and Pre-Installed Signal DataCoils™

    Bermad 200 Series DataValves 2 Way with Flow Control The Bermad 200 Series 2-Way DataValves are compact, plastic hydraulic control valves pre-fitte...

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  • $680.00 - $680.00
    $680.00
    $680.00 - $680.00
    $680.00

    Signal SD-WF Plug-In WiFi Module for SDS Two-Wire Irrigation Controllers (Local Network Connection)

    SD System Plugin Controller WiFi Module For SDS Controller The Signal SD-WF is a plug-in WiFi module designed to connect SDS Series Two-Wire Irriga...

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  • $60.00 - $245.00
    $60.00
    $60.00 - $245.00
    $60.00

    Signal SD-S Series Lightning Protection Modules for SDS Two-Wire Irrigation Controllers

    SD System Lightning Protection for Irrigation Controllers Protect your irrigation investment with Signal's lightning protection system, designed sp...

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  • $1,145.00 - $1,145.00
    $1,145.00
    $1,145.00 - $1,145.00
    $1,145.00

    Signal SD-MD ETM 4G (LTE) Serial Modem for SDS Two-Wire Irrigation Controllers

    SD System Series ETM 4G (LTE) Serial Modem (Requires Antenna) The Signal ETM 4G (LTE) Serial Modem enables full remote communication between SDS Se...

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  • $205.00 - $1,105.00
    $205.00
    $205.00 - $1,105.00
    $205.00

    Signal SD-DR RelayCube™ Multi-Wire Expansion Module for SDS Two-Wire Irrigation Controllers

    SD System RelayCube for SDS Series Two Wire Irrigation Controllers The Signal RelayCube™ is a plug-and-play multi-wire expansion module that enable...

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  • SD System SDS 2-Wire Irrigation Controllers Product Name: SDS-50 Two-Wire Irrigation Controller, SDS-100 Two-Wire Irrigation Controller
    $3,030.00 - $3,030.00
    $3,030.00
    $3,030.00 - $3,030.00
    $3,030.00

    Signal SDS-50 Two-Wire Irrigation Controller with PumpNode & Cloud Connectivity

    SD System Signal SDS-50 Two Wire Irrigation Controller DOWNLOAD OPERATING MANUAL Designed and manufactured in Australia. The Signal SDS-5...

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  • $90.00 - $245.00
    From $90.00
    $90.00 - $245.00
    $90.00

    Signal SD-DN Series Programmable DataNodes for SDS Two-Wire Irrigation Controllers

    Signal SD-DN Series Programmable DataNodes for SDS Two-Wire Irrigation Controllers The Signal SD-DN Series Programmable DataNodes are advanced two-...

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  • $15.00 - $15.00
    $15.00
    $15.00 - $15.00
    $15.00

    Signal DataCoil Numbering Kits with Clip-On Wire Markers (1-48 or 49-96)

    Signal DataCoil Numbering Kits with Clip-On Wire Markers (1-48 or 49-96) Signal DataCoil™ Numbering Kits are designed to help installers and techni...

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  • $370.00 - $370.00
    $370.00
    $370.00 - $370.00
    $370.00

    Signal SD-AN-900 6.5dB 1m High Gain Omni-Directional Antenna for Increased range and Stable Signal Performance

    Signal SD-AN-900 6.5dB 1m High Gain Omni-Directional Antenna for Increased range and Stable Signal Performance  DOWNLOAD PRODUCT BROCHURE The...

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  • $350.00 - $350.00
    $350.00
    $350.00 - $350.00
    $350.00

    Signal SD-PR-A Analog Pressure Transducer for SDS Series Controllers

    Signal SD-PR-A Analog Pressure Transducer for SDS Series Controllers The Signal SD-PR-A Analog Pressure Transducer is a precision sensor designed t...

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  • $30.00 - $35.00
    $30.00
    $30.00 - $35.00
    $30.00

    Signal DataCoil Adaptors for Hunter Rain Bird and Irritrol/Toro Valves

    Signal DataCoil Adaptors for Hunter Rain Bird and Irritrol/Toro Valves Signal DataCoil Adaptors provide a seamless solution for integrating Signal ...

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  • $1,775.00 - $1,775.00
    $1,775.00
    $1,775.00 - $1,775.00
    $1,775.00

    Signal SD-ULS10 Ultrasonic Level Sensor

    Signal SD-ULS10 Ultrasonic Level Sensor  DOWNLOAD PRODUCT BROCHURE The Signal SD-ULS10 Ultrasonic Level Sensor is a precision tank-level moni...

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  • $470.00 - $470.00
    $470.00
    $470.00 - $470.00
    $470.00

    Signal SD-AN-1000 9.0dB 2m High Gain Omni-Directional Antenna for Maximum Gain and Extended Coverage

    Signal SD-AN-1000 9.0dB 2m High Gain Omni-Directional Antenna for Maximum Gain and Extended Coverage  DOWNLOAD PRODUCT BROCHURE The Signal SD...

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  • $225.00 - $225.00
    $225.00
    $225.00 - $225.00
    $225.00

    Signal SD-AN-850 3.5dB Compact Conical External Antenna with Grounding Kit

    Signal SD-AN-850 3.5dB Compact Conical External Antenna with Grounding Kit  DOWNLOAD PRODUCT BROCHURE The Signal SD-AN-850 is a compact, low-...

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  • $1,310.00 - $1,310.00
    $1,310.00
    $1,310.00 - $1,310.00
    $1,310.00

    Signal WEL-FW-B Frostwatch Temperature Sensor with Included Power Supply

    Signal WEL-FW-B Frostwatch Temperature Sensor with Included Power Supply The Signal WEL-FW-B FrostWatch Temperature Sensor is a reliable, plug-in f...

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  • $505.00 - $1,445.00
    From $505.00
    $505.00 - $1,445.00
    $505.00

    Signal SD-LB Plug-In Controller Logic Boards

    Signal SD-LB Plug-In Controller Logic Boards The Signal SD-LB Plug-In Controller Logic Boards are essential replacement modules for the SDS Series ...

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  • $245.00 - $245.00
    $245.00
    $245.00 - $245.00
    $245.00

    Signal SD-DC-3B 3-Way Latching DataCoil with S402 Base & LED Status Indicators

    Signal SD-DC-3B 3-Way Latching DataCoil with S402 Base & LED Status Indicators Upgrade any standard hydraulic valve into a smart, two-wire comp...

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  • $710.00 - $710.00
    $710.00
    $710.00 - $710.00
    $710.00

    Signal SD-DN-MO Two-Wire Moisture Sensor & DataNode for SDS Two-Wire Irrigation Controllers

    Signal SD-DN-MO Two-Wire Moisture Sensor & DataNode for SDS Two-Wire Irrigation Controllers  DOWNLOAD PRODUCT BROCHURE The Signal SD-DN-...

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  • $1,265.00 - $1,265.00
    $1,265.00
    $1,265.00 - $1,265.00
    $1,265.00

    Signal SD-DP Wireless Device Programmer for DataCoils™ with LCD Display & Carry Case

    Signal SD-DP Wireless Device Programmer for DataCoils™ with LCD Display & Carry Case  DOWNLOAD PRODUCT BROCHURE The Signal SD-DP Device ...

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  • SD System SDS 2-Wire Irrigation Controllers Product Name: SDS-50 Two-Wire Irrigation Controller, SDS-100 Two-Wire Irrigation Controller
    $4,160.00 - $4,160.00
    $4,160.00
    $4,160.00 - $4,160.00
    $4,160.00

    Signal SDS-100 Two-Wire Irrigation Controller with PumpNode & Cloud Connectivity

    SD System Signal SDS Series Two Wire Irrigation Controllers SDS-100 DOWNLOAD OPERATING MANUAL Designed and manufactured in Australia. The...

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  • $670.00 - $2,055.00
    From $670.00
    $670.00 - $2,055.00
    $670.00

    Signal Two-Wire Twisted Pair Direct Bury Irrigation Cable 250m Roll

    SD System Two-Wire Direct Bury Cable 250m Roll The Signal Two-Wire Direct Bury Cable is a premium, Australian-manufactured irrigation communication...

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