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

• CM704B: 8/16 Zone Input Expander

• CM710B: Output Expansion Module

• CM707B / CM705PB: Plug-in & LAN Zone Expanders

• B443 / B444-G / CM748B: 3G & 4G GPRS Communicators

• B426M / CM751B / CM430S: Ethernet & IP Communication Modules

• CM720B: 1A LAN Power Supply

• ICP-SOL2-P / ICP-SOL3-P / CM255B: PCB Boards & Unlock Keys

🔹 Dahua

• ARM310-W2: Wireless Alarm Input Expander

🔹 Hills

• NXG-208N: Reliance XR 8 Input Expander

🔹 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.