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Expanders & Modules

Security Accessories – Expanders & Modules for Alarm & Communication Systems

Boost the performance and flexibility of your security setup with our range of Expanders and Modules, designed to support leading brands like Bosch, Dahua, DSC, Hills and Rosslare. These accessories are ideal for expanding zone inputs, adding outputs, enabling GSM communication, integrating IP/Ethernet, and enhancing power supply—making them an essential part of professional-grade alarm systems for both home and commercial use.

Whether you're building a new system or upgrading an existing one, our modules allow for customisation, expansion, and remote connectivity with full system compatibility.

🔧 Key Features & Benefits:

✔ Zone Expansion – Add more zones to your system with wired or wireless expanders for greater coverage.
✔ Output Modules – Control automation devices, sirens, and other system triggers with output expansion boards.
✔ GSM / 4G / IP Communication – Stay connected with communicators and diallers for real-time alerts, app integration, and monitoring.
✔ Power Management – LAN power modules to maintain reliable system power distribution.
✔ Control Panel Upgrades – Replace or upgrade your main PCB board to extend system functionality.
✔ Brand Compatible – Fully compatible with popular alarm systems including Bosch Solution 2000/3000/6000, Hills Reliance XR, and more.

🔍 Featured Products by Brand:

🔹 Bosch

🔹 Dahua

🔹 Hills

🔹 Risco, DSC, Rosslare
(Additional modules available on request – suitable for various expansion & communication needs)

🛠️ Applications:

  • Homes & Businesses

  • System upgrades & zone additions

  • Integrating wireless functionality

  • Adding GSM/IP alerts and monitoring

  • Supporting automation and output control

🚚 Why Buy from CTC Communications?

  • Australia-Wide Delivery

  • Genuine Brand-Approved Products

  • Expert Advice & Installer Support

  • One-Stop Shop for Alarm Systems & Accessories

Power up and scale your security system with trusted Expanders and Modules from CTC Communications – engineered for performance, built for compatibility.
Shop now for fast delivery and expert-backed solutions.

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  • Bosch 8/16 Zone Input Expander Module PCB (RS485) suit Solution 6000, Solution 144, CM704B - CTC Communications
    Bosch 8/16 Zone Input Expander Module PCB (RS485) suit Solution 6000, Solution 144, CM704B - CTC Communications
    Save 23% Save %
    $216.01
    $216.01 - $216.01
    $216.01
    $166.16
    $166.16 - $166.16
    $166.16

    Bosch 8/16 Zone Input Expander Module PCB (RS485) suit Solution 6000, Solution 144, CM704B

    Bosch

    Bosch 8/16 Zone Input Expander Module PCB (RS485) Take advantage of its advanced, high-tech features, such as two-way communication and remote acc...

    View full details
    $216.01
    $216.01 - $216.01
    $216.01
    $166.16
    $166.16 - $166.16
    $166.16
    Save 23% Save %
  • Bosch Output Expansion Module, CM710B - CTC Communications
    Bosch Output Expansion Module, CM710B - CTC Communications
    Save 23% Save %
    $216.01
    $216.01 - $216.01
    $216.01
    $166.16
    $166.16 - $166.16
    $166.16

    Bosch Output Expansion Module, CM710B

    Bosch

    Bosch Solution output expander module CM710B, connects onto Bosch Solution 6000 alarm panel to expand outputs, lan connected. Model: CM710B Suits ...

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    $216.01
    $216.01 - $216.01
    $216.01
    $166.16
    $166.16 - $166.16
    $166.16
    Save 23% Save %
  • Bosch Logo
    Bosch DSRF 2 Channel Relay Output Receiver- Garage Door Module, HCR-BU2 - CTC Communications
    Save 14% Save %
    $152.92
    $152.92 - $152.92
    $152.92
    $131.50
    $131.50 - $131.50
    $131.50

    Bosch DSRF 2 Channel Relay Output Receiver- Garage Door Module, HCR-BU2

    Bosch

    Bosch DSRF 2 Channel Relay Output Receiver It's the perfect tool to help you monitor and control your home, giving you peace of mind you need. Mode...

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    $152.92
    $152.92 - $152.92
    $152.92
    $131.50
    $131.50 - $131.50
    $131.50
    Save 14% Save %
  • Bosch Solution 3000 Alarm Icon Kit- No Detectors - CTC Communications
    4G GSM/GPRS Plug on Modem With Magnetic Antenna, MY747AU - CTC Communications
    Save 10% Save %
    $196.00
    $196.00 - $196.00
    $196.00
    $176.00
    $176.00 - $176.00
    $176.00

    4G GSM/GPRS Plug on Modem With Magnetic Antenna, MY747AU

    Bosch

    My Alarm Digiflex 4G GSM/GPRS Plug on Modem With Magnetic Antenna Model : MY747AU The DIGIFLEX 4G GPRS interface module is specifically designed fo...

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    $196.00
    $196.00 - $196.00
    $196.00
    $176.00
    $176.00 - $176.00
    $176.00
    Save 10% Save %
  • Bosch Plug in Communicator Interface, B450-M - CTC Communications
    Bosch Plug in Communicator Interface, B450-M - CTC Communications
    Save 23% Save %
    $177.32
    $177.32 - $177.32
    $177.32
    $136.40
    $136.40 - $136.40
    $136.40

    Bosch Plug in Communicator Interface, B450-M

    Bosch

    Bosch Plug in Communicator Interface (B450-M) It's designed to be easy to install and will increase your connectivity tenfold. With its advanced fe...

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    $177.32
    $177.32 - $177.32
    $177.32
    $136.40
    $136.40 - $136.40
    $136.40
    Save 23% Save %
  • Bosch 2000/3000 Ethernet Communication Module now with push notifications to Mobile - CTC Communications
    Bosch 2000/3000 Ethernet Communication Module now with push notifications to Mobile - CTC Communications
    Save 23% Save %
    $172.06
    $172.06 - $172.06
    $172.06
    $132.35
    $132.35 - $132.35
    $132.35

    Bosch 2000/3000 Ethernet Communication Module now with push notifications to Mobile

    Bosch

    Bosch 3000 ethernet communication module B426 for Bosch alarm system Solution 2000 & 3000, connection of alarm system to wireless internet with...

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    $172.06
    $172.06 - $172.06
    $172.06
    $132.35
    $132.35 - $132.35
    $132.35
    Save 23% Save %
  • Bosch Plug in 3G GPRS Communicator (B443) - CTC Communications
    Bosch Plug in 3G GPRS Communicator (B443) - CTC Communications
    Save 14% Save %
    $320.08
    $320.08 - $320.08
    $320.08
    $275.13
    $275.13 - $275.13
    $275.13

    Bosch Plug in 3G GPRS Communicator (B443)

    Bosch

    Bosch 3G GPRS Communicator (B443) Be ready for any emergency with advanced alarm monitoring capabilities and real-time insights into your home or b...

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    $320.08
    $320.08 - $320.08
    $320.08
    $275.13
    $275.13 - $275.13
    $275.13
    Save 14% Save %
  • Bosch 2000/3000 Plug in 4G GPRS Communicator B444-G - CTC Communications
    Bosch 2000/3000 Plug in 4G GPRS Communicator B444-G - CTC Communications
    Save 10% Save %
    $397.60
    $397.60 - $397.60
    $397.60
    $357.60
    $357.60 - $357.60
    $357.60

    Bosch 2000/3000 Plug in 4G GPRS Communicator B444-G

    Bosch

    Bosch 4G GPRS Communicator (B444-G) Be ready for any emergency with advanced alarm monitoring capabilities and real-time insights into your home or...

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    $397.60
    $397.60 - $397.60
    $397.60
    $357.60
    $357.60 - $357.60
    $357.60
    Save 10% Save %
  • Bosch 3G GPRS Communicator (B443) + Bosch Plug in Communicator Interface (B450-M) - CTC Communications
    Sold out
    $487.08
    $487.08 - $487.08
    $487.08
    $411.53
    $411.53 - $411.53
    $411.53

    Bosch 3G GPRS Communicator (B443) + Bosch Plug in Communicator Interface (B450-M)

    Bosch

    Bosch 3G GPRS Communicator (B443) Combo Remote programming and monitoring of compatible Bosch control panels Configured directly from Bosch Remo...

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    $487.08
    $487.08 - $487.08
    $487.08
    $411.53
    $411.53 - $411.53
    $411.53
    Sold out
  • Bosch BYO SIM 4G GSM/GPRS Plug on Modem With Magnetic Antenna for Bosch 6000, CM748B - CTC Communications
    Save 16% Save %
    $415.00
    $415.00 - $415.00
    $415.00
    $350.00
    $350.00 - $350.00
    $350.00

    Bosch BYO SIM 4G GSM/GPRS Plug on Modem With Magnetic Antenna for Bosch 6000, CM748B

    Digiflex

    Bosch BYO SIM 4G GSM/GPRS Plug on Modem With Magnetic Antenna for Bosch 6000 Model : CM748B The Bosch 4G GPRS interface module is specifically desi...

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    $415.00
    $415.00 - $415.00
    $415.00
    $350.00
    $350.00 - $350.00
    $350.00
    Save 16% Save %
  • BYO SIM Solution 6000 Plug-In 4G Plug Module with Built-In IP Ethernet module, CM369 - CTC Communications
    Save 9% Save %
    $496.00
    $496.00 - $496.00
    $496.00
    $451.00
    $451.00 - $451.00
    $451.00

    BYO SIM Solution 6000 Plug-In 4G Plug Module with Built-In IP Ethernet module, CM369

    Digiflex

    Solution 6000 Plug-In 4G Plug-In Module + Built In Ethernet Blue PCB Enclosure Mount 2 x Built In SIM Socket *My Alarm SIM Subscription Req *Req Pa...

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    $496.00
    $496.00 - $496.00
    $496.00
    $451.00
    $451.00 - $451.00
    $451.00
    Save 9% Save %
  • Bosch BYO SIM 4G GSM/GPRS Plug on Modem With Magnetic Antenna for Bosch 6000, CM748B - CTC Communications
    Sold out
    $374.00
    $374.00 - $374.00
    $374.00
    $299.99
    $299.99 - $299.99
    $299.99

    Digiflex BYO SIM 4G GSM/GPRS Plug on Modem With Magnetic Antenna for Bosch 6000, CM746/47

    Digiflex

    Digiflex BYO SIM 4G GSM/GPRS Plug on Modem With Magnetic Antenna for Bosch 6000 Model : CM746/CM747 The DIGIFLEX 4G GPRS interface module is specif...

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    $374.00
    $374.00 - $374.00
    $374.00
    $299.99
    $299.99 - $299.99
    $299.99
    Sold out
  • Bosch Plug-In Zone Expander, CM707B - CTC Communications
    Bosch Plug-In Zone Expander, CM707B - CTC Communications
    Save 23% Save %
    $115.59
    $115.59 - $115.59
    $115.59
    $88.92
    $88.92 - $88.92
    $88.92

    Bosch Plug-In Zone Expander, CM707B

    Bosch

    Bosch CM707B Plug On Zone Expander is designed to complement the CM705B Universal Zone Expander. Model: CM707B It can be added via the expansion p...

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    $115.59
    $115.59 - $115.59
    $115.59
    $88.92
    $88.92 - $88.92
    $88.92
    Save 23% Save %
  • Bosch Security 1 Amp LAN power supply, CM720B - CTC Communications
    Bosch Security 1 Amp LAN power supply, CM720B - CTC Communications
    Save 23% Save %
    $217.40
    $217.40 - $217.40
    $217.40
    $167.23
    $167.23 - $167.23
    $167.23

    Bosch Security 1 Amp LAN power supply, CM720B

    Bosch

    The CM720B LAN Power Supply is a high efficiency 13.8V DC, 1Amp continuous rated switch mode power supply with built-in Pulse battery charger, suit...

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    $217.40
    $217.40 - $217.40
    $217.40
    $167.23
    $167.23 - $167.23
    $167.23
    Save 23% Save %
  • Bosch Solution 2000 PCB, ICP-SOL2-P - CTC Communications
    Bosch Solution 2000 PCB, ICP-SOL2-P - CTC Communications
    Save 23% Save %
    $130.21
    $130.21 - $130.21
    $130.21
    $100.16
    $100.16 - $100.16
    $100.16

    Bosch Solution 2000 PCB, ICP-SOL2-P

    Bosch

    Bosch Solution 2000 PCB You'll get reliable performance thanks to its durable design and reliable connection within every system. Model : ICP-SOL2-...

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    $130.21
    $130.21 - $130.21
    $130.21
    $100.16
    $100.16 - $100.16
    $100.16
    Save 23% Save %
  • Bosch Solution 6000 PCB Board - CTC Communications
    Bosch Solution 6000 PCB Board - CTC Communications
    Save 23% Save %
    $508.80
    $508.80 - $508.80
    $508.80
    $391.39
    $391.39 - $391.39
    $391.39

    Bosch Solution 6000 PCB Board

    Bosch

    Bosch 16 Zone replacement PCB board for Bosch Solution 6000 alarm system, expandable to 144 wired or wireless zones. Model: CC610P 16 on-board zo...

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    $508.80
    $508.80 - $508.80
    $508.80
    $391.39
    $391.39 - $391.39
    $391.39
    Save 23% Save %
  • Bosch Solution Conettix IP Ethernet Module CM751B to Suit Solution 6000 ( suits 6k ver 2.25 or above) - CTC Communications
    Bosch Solution Conettix IP Ethernet Module CM751B to Suit Solution 6000 ( suits 6k ver 2.25 or above) - CTC Communications
    Save 23% Save %
    $249.04
    $249.04 - $249.04
    $249.04
    $191.57
    $191.57 - $191.57
    $191.57

    Bosch Solution Conettix IP Ethernet Module CM751B to Suit Solution 6000 ( suits 6k ver 2.25 or above)

    Bosch

    The CM751B Bosch Solution 6000 IP Module Conettix allows you to connect the Solution6000 control panel to the customers existing IP network and r...

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    $249.04
    $249.04 - $249.04
    $249.04
    $191.57
    $191.57 - $191.57
    $191.57
    Save 23% Save %
  • Bosch Universal LAN Zone Expander PCB Module only, CM705PB - CTC Communications
    Bosch Universal LAN Zone Expander PCB Module only, CM705PB - CTC Communications
    Save 23% Save %
    $451.30
    $451.30 - $451.30
    $451.30
    $347.16
    $347.16 - $347.16
    $347.16

    Bosch Universal LAN Zone Expander PCB Module only, CM705PB

    Bosch

    Bosch CM705B Universal Expander provides a cost effective way to increase the control panel's zone inputs, programmable outputs and power supply ca...

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    $451.30
    $451.30 - $451.30
    $451.30
    $347.16
    $347.16 - $347.16
    $347.16
    Save 23% Save %
  • Bosch RS485 Lan to Ethernet Module for Solution 6000, CM430S - CTC Communications
    Save 10% Save %
    $283.38
    $283.38 - $283.38
    $283.38
    $255.34
    $255.34 - $255.34
    $255.34

    Bosch RS485 Lan to Ethernet Module for Solution 6000, CM430S

    Bosch

    The CM430S allows you to extend the control panels RS485S LAN across a local network.  Table 1: shows the panel and panel fi rmware which are comp...

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    $283.38
    $283.38 - $283.38
    $283.38
    $255.34
    $255.34 - $255.34
    $255.34
    Save 10% Save %
  • Bosch Solution 3000 PCB, ICP-SOL3-P - CTC Communications
    Bosch Solution 3000 PCB, ICP-SOL3-P - CTC Communications
    Save 23% Save %
    $167.09
    $167.09 - $167.09
    $167.09
    $128.53
    $128.53 - $128.53
    $128.53

    Bosch Solution 3000 PCB, ICP-SOL3-P

    Bosch

    Bosch Solution 3000 PCB is new generation alarm control panels for the Australian & New Zealand residential & commercial markets. Model : I...

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    $167.09
    $167.09 - $167.09
    $167.09
    $128.53
    $128.53 - $128.53
    $128.53
    Save 23% Save %
  • Bosch Solution 6000/64/16 Plus Panel Unlock Key, Single use only, CM255B - CTC Communications
    Bosch Solution 6000/64/16 Plus Panel Unlock Key, Single use only, CM255B - CTC Communications
    Save 20% Save %
    $181.61
    $181.61 - $181.61
    $181.61
    $145.00
    $145.00 - $145.00
    $145.00

    Bosch Solution 6000/64/16 Plus Panel Unlock Key, Single use only, CM255B

    Bosch

    The Bosch Solution unlock key CM255B will unlock any existing master code or Installers code, this chip will not default the existing panel program...

    View full details
    $181.61
    $181.61 - $181.61
    $181.61
    $145.00
    $145.00 - $145.00
    $145.00
    Save 20% Save %
  • Dahau Alarm Video How To Guide
    Dahua Wireless Alarm Input Expander, ARM310-W2 - CTC Communications
    $39.42 - $39.42
    $39.42
    $39.42 - $39.42
    $39.42

    Dahua Wireless Alarm Input Expander, ARM310-W2

    Dahua

    Dahua Wireless Alarm Input Expander – ARM310-W2 Versatile Expansion for Your Wireless Security System The Dahua ARM310-W2 Wireless Alarm Input Expa...

    View full details
    $39.42 - $39.42
    $39.42
    $39.42 - $39.42
    $39.42
  • Hills Reliance XR 8 Input Expander, NXG-208N - CTC Communications
    Hills Reliance XR 8 Input Expander, NXG-208N - CTC Communications
    $106.26 - $106.26
    $106.26
    $106.26 - $106.26
    $106.26

    Hills Reliance XR 8 Input Expander, NXG-208N

    Hills

    The Hills Reliance XR 8 Input Expander, NXG-208N, is the perfect addition to your security system. It expands your system's capabilities to fit you...

    View full details
    $106.26 - $106.26
    $106.26
    $106.26 - $106.26
    $106.26
  • Hills Reliance 4G Wifi Router Module with Dual Sim( BYO SIM not applicable), NXX-4G-WFSIM-AU - CTC Communications
    Save 42% Save %
    $503.00
    $503.00 - $503.00
    $503.00
    $292.60
    $292.60 - $292.60
    $292.60

    Hills Reliance 4G Wifi Router Module with Dual Sim( BYO SIM not applicable), NXX-4G-WFSIM-AU

    Hills

    The Hills Reliance 4G Wifi Router Module with Dual Sim is a key component of the Hills Reliance XR alarm network. A dual SIM 4G/Wi-Fi module adds ...

    View full details
    $503.00
    $503.00 - $503.00
    $503.00
    $292.60
    $292.60 - $292.60
    $292.60
    Save 42% Save %
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