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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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  • $289.65 - $522.80
    From $289.65
    $289.65 - $522.80
    $289.65

    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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  • $747.75 - $747.75
    $747.75
    $747.75 - $747.75
    $747.75

    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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  • $1,261.45 - $1,261.45
    $1,261.45
    $1,261.45 - $1,261.45
    $1,261.45

    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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  • $65.10 - $267.10
    $65.10
    $65.10 - $267.10
    $65.10

    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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  • SD System SDS 2-Wire Irrigation Controllers Product Name: SDS-50 Two-Wire Irrigation Controller, SDS-100 Two-Wire Irrigation Controller
    $3,030.35 - $3,030.35
    $3,030.35
    $3,030.35 - $3,030.35
    $3,030.35

    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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  • $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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  • $235.00 - $1,215.75
    $235.00
    $235.00 - $1,215.75
    $235.00

    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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  • $386.95 - $386.95
    $386.95
    $386.95 - $386.95
    $386.95

    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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  • $96.25 - $267.10
    From $96.25
    $96.25 - $267.10
    $96.25

    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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  • $408.65 - $408.65
    $408.65
    $408.65 - $408.65
    $408.65

    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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  • $245.40 - $245.40
    $245.40
    $245.40 - $245.40
    $245.40

    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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  • $1,951.80 - $1,951.80
    $1,951.80
    $1,951.80 - $1,951.80
    $1,951.80

    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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  • $518.15 - $518.15
    $518.15
    $518.15 - $518.15
    $518.15

    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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  • $1,441.20 - $1,441.20
    $1,441.20
    $1,441.20 - $1,441.20
    $1,441.20

    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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  • $556.85 - $1,587.45
    From $556.85
    $556.85 - $1,587.45
    $556.85

    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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  • $268.60 - $268.60
    $268.60
    $268.60 - $268.60
    $268.60

    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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  • $778.75 - $778.75
    $778.75
    $778.75 - $778.75
    $778.75

    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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  • $772.35 - $2,361.70
    From $772.35
    $772.35 - $2,361.70
    $772.35

    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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