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
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B426M / CM751B / CM430S: Ethernet & IP Communication Modules
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ICP-SOL2-P / ICP-SOL3-P / CM255B: PCB Boards & Unlock Keys
🔹 Dahua
🔹 Hills
🔹 DSC, Rosslare
(Additional modules available on request – suitable for various expansion & communication needs)
🛠️ Applications:
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Homes & Businesses
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System upgrades & zone additions
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Integrating wireless functionality
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Adding GSM/IP alerts and monitoring
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Supporting automation and output control
🚚 Why Buy from CTC Communications?
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Australia-Wide Delivery
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Genuine Brand-Approved Products
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Expert Advice & Installer Support
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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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Original price $216.01Original price $216.01 - Original price $216.01Original price $216.01Current price $186.68$186.68 - $186.68Current price $186.68
Bosch 8/16 Zone Input Expander Module PCB (RS485) suit Solution 6000, Solution 144, CM704B
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View full detailsOriginal price $216.01Original price $216.01 - Original price $216.01Original price $216.01Current price $186.68$186.68 - $186.68Current price $186.68Save 14% -
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Bosch Output Expansion Module, CM710B
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Bosch Plug in Communicator Interface, B450-M
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Bosch 2000/3000 IP Module Ethernet Communication Module now with push notifications to Mobile
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Bosch Plug in 3G GPRS Communicator (B443)
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Bosch 3G GPRS Communicator (B443) + Bosch Plug in Communicator Interface (B450-M)
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Bosch CM748B BYO SIM 4G GSM/GPRS Plug on Modem With Magnetic Antenna for Bosch 6000
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Original price $496.00Original price $496.00 - Original price $496.00Original price $496.00Current price $451.00$451.00 - $451.00Current price $451.00
BYO SIM Solution 6000 Plug-In 4G Plug Module with Built-In IP Ethernet module, CM369
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View full detailsOriginal price $496.00Original price $496.00 - Original price $496.00Original price $496.00Current price $451.00$451.00 - $451.00Current price $451.00Save 9% -
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Bosch Plug-In Zone Expander, CM707B
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Original price $217.40Original price $217.40 - Original price $217.40Original price $217.40Current price $187.88$187.88 - $187.88Current price $187.88
Bosch Security 1 Amp LAN power supply, CM720B
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Bosch Solution 2000 PCB, ICP-SOL2-P
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Bosch Solution 6000 PCB Board
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Bosch Solution Conettix IP Ethernet Module CM751B to Suit Solution 6000 ( suits 6k ver 2.25 or above)
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Original price $451.30Original price $451.30 - Original price $451.30Original price $451.30Current price $405.02$405.02 - $405.02Current price $405.02
Bosch CM705PB Universal LAN Zone Expander PCB – Solution 6000
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Original price $286.88 - Original price $286.88Original price$286.88$286.88 - $286.88Current price $286.88Bosch CM430S RS485 LAN-to-Ethernet Converter Module – Solution 6000
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Bosch Solution 3000 PCB, ICP-SOL3-P
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Original price $181.61Original price $181.61 - Original price $181.61Original price $181.61Current price $162.91$162.91 - $162.91Current price $162.91
Bosch Solution 6000/64/16 Plus Panel Unlock Key, Single use only, CM255B
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Original price $40.25Original price $40.25 - Original price $40.25Original price $40.25Current price $35.00$35.00 - $35.00Current price $35.00
Dahua ARM310-W2 Wireless Alarm Input Expander
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Original price $149.93 - Original price $149.93Original price$149.93$149.93 - $149.93Current price $149.93Hills Reliance XR 8 Input Expander, NXG-208N
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Original price $503.00Original price $503.00 - Original price $503.00Original price $503.00Current price $292.60$292.60 - $292.60Current price $292.60
Hills Reliance 4G Wifi Router Module with Dual Sim( BYO SIM not applicable), NXX-4G-WFSIM-AU
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Ness Gen3 4G GSM Dialler (no sim card), 106-490NS
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View full detailsOriginal price $388.61Original price $388.61 - Original price $388.61Original price $388.61Current price $324.61$324.61 - $324.61Current price $324.61Save 16% -
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Bosch 6000 Large Empty Metal Metal Enclosure Box, MW730B
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View full detailsOriginal price $183.00Original price $183.00 - Original price $183.00Original price $183.00Current price $147.81$147.81 - $147.81Current price $147.81Save 19%
