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Accessories
Hills Reliance Accessories – Essential Modules, Boards & Power for System Expansion
Keep your Hills Reliance alarm system running smoothly and securely with our complete range of genuine accessories, including power supplies, PCB boards, zone expanders, communication modules, and backup batteries. Whether you’re upgrading an existing system or expanding its capabilities, these accessories deliver reliable performance and compatibility with Hills Reliance NX, XR and XR Pro control panels. :contentReference[oaicite:1]{index=1}
From powering your system to extending zones or enabling remote connectivity via 4G and Wi-Fi modules, CTC Communications offers trusted solutions backed by fast shipping and expert support. :contentReference[oaicite:2]{index=2}
Why Choose Hills Reliance Accessories from CTC Communications?
- System Compatibility – 100% compatible with Hills Reliance NX, XR and XR Pro alarm systems
- Expandability & Flexibility – Add more zones, inputs or smart features as your security needs grow
- Reliable Power Supply & Backup – Maintain system uptime with dependable plug packs and backup batteries
- Remote Communication Options – Enable mobile notifications and remote monitoring via 4G/Wi-Fi router modules
- Professional Grade Components – Trusted by installers for performance, durability and easy integration
Featured Accessories
Power & Battery
Communication & Control
- NXX-4G-WFSIM-AU – 4G Wi-Fi Router Module with Dual SIM
System Boards
- NXX-8-WZ-BO-AU – Hills XRPro PCB Board
- NXX-4-W-BO-AU – Hills XR PCB Board
Expanders & Smart Modules
- NXG-208 – XR 8 Zone Expander
- NXG-208N – XR 8 Input Expander
- NXG-320-CPU – XR Smart Power Supply Module with Bus Extender
Fast & Reliable Shopping
Australia-Wide Delivery Available
Professional Installation Sydney-Wide
Expand, power and upgrade your Hills Reliance alarm system with certified accessories from CTC Communications — performance you can rely on.
Shop now.
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Original price $39.00 - Original price $39.00Original price$39.00$39.00 - $39.00Current price $39.00Hills Power Supply for alarm system, Plug Pack 16V AC 1.5A, TP-16500A
HillsHills Power Supply is specifically designed to power Hills Reliance Alarm systems, with a Plug Pack 16V AC 1.5A compatible with the Hills Reliance ...
View full detailsOriginal price $39.00 - Original price $39.00Original price$39.00$39.00 - $39.00Current price $39.00 -
Original price $35.00 - Original price $35.00Original price$35.00$35.00 - $35.00Current price $35.00Alarm Battery 12VDC 5 Amp, PS-1250
HillsPower-Sonic PS-1250 12V 5Ah Alarm Backup Battery The Power-Sonic PS-1250 12V 5Ah Alarm Backup Battery provides dependable standby power for compati...
View full detailsOriginal price $35.00 - Original price $35.00Original price$35.00$35.00 - $35.00Current price $35.00 -
Original price $144.76 - Original price $144.76Original price$144.76$144.76 - $144.76Current price $144.76Hills Reliance XR 8 Zone Expander, NXG-208
HillsEasily and affordably expand your home security system with the Hills Reliance XR 8 Zone Expander, NXG-208. Increase the protection of your home an...
View full detailsOriginal price $144.76 - Original price $144.76Original price$144.76$144.76 - $144.76Current price $144.76 -
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
HillsThe 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 detailsOriginal price $149.93 - Original price $149.93Original price$149.93$149.93 - $149.93Current price $149.93 -
Original price $572.00Original price $572.00 - Original price $572.00Original price $572.00Current price $412.72$412.72 - $412.72Current price $412.72
Hills Reliance XRPro PCB Board, NXX-8-WZ-BO-AU
HillsHills Reliance XRPro is an optimal choice for replacing an existing alarm. Hills Reliance Security alarms systems come with a 2 Year Manufacturers ...
View full detailsOriginal price $572.00Original price $572.00 - Original price $572.00Original price $572.00Current price $412.72$412.72 - $412.72Current price $412.72Save 28% -
Original price $387.99Original price $387.99 - Original price $387.99Original price $387.99Current price $313.39$313.39 - $313.39Current price $313.39
Hills Reliance XR PCB Board, NXX-4-W-BO-AU
HillsHills Reliance XR is an optimal choice for replacing an existing alarm. Hills Reliance Security alarms systems come with a 2 Year Manufacturers War...
View full detailsOriginal price $387.99Original price $387.99 - Original price $387.99Original price $387.99Current price $313.39$313.39 - $313.39Current price $313.39Save 19% -
Original price $309.54 - Original price $309.54Original price$309.54$309.54 - $309.54Current price $309.54Reliance XR Smart Power supply module & bus extender, NXG-320-CPU
HillsReliance XR Smart Power supply module & bus extender, NXG-320-CPU Don't let power outages or interruptions slow you down. With the Reliance XR ...
View full detailsOriginal price $309.54 - Original price $309.54Original price$309.54$309.54 - $309.54Current price $309.54 -
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
HillsThe 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 detailsOriginal price $503.00Original price $503.00 - Original price $503.00Original price $503.00Current price $292.60$292.60 - $292.60Current price $292.60Save 42% -
Original price $118.36Original price $118.36 - Original price $118.36Original price $118.36Current price $106.98$106.98 - $106.98Current price $106.98
Hills Reliance XR Four-Button Remote Control – RF-4041-07-2
HillsBest For Convenient keyfob control of a Hills Reliance XR or XRPro alarm system without entering a user code at the keypad. Four-...
View full detailsOriginal price $118.36Original price $118.36 - Original price $118.36Original price $118.36Current price $106.98$106.98 - $106.98Current price $106.98Save 10% -
Original price $59.40Original price $59.40 - Original price $59.40Original price $59.40Current price $47.40$47.40 - $47.40Current price $47.40
Hills Remote Control 4 Button, RTR-01
HillsHills RTR-01 4 Button Remote Control The Hills RTR-01 4 Button Remote Control is a compact wireless keyfob transmitter designed for use with compat...
View full detailsOriginal price $59.40Original price $59.40 - Original price $59.40Original price $59.40Current price $47.40$47.40 - $47.40Current price $47.40Save 20% -
Original price $158.40Original price $158.40 - Original price $158.40Original price $158.40Current price $97.17$97.17 - $97.17Current price $97.17
Hills Reliance NX Remote Control Kit with 2 x Stainless steel remotes, S1890A
HillsThe Hills Reliance NX Remote Control Kit comes complete with wireless receiver and two x stainless steel remotes with slide cover. Compatible with ...
View full detailsOriginal price $158.40Original price $158.40 - Original price $158.40Original price $158.40Current price $97.17$97.17 - $97.17Current price $97.17Save 39% -
Original price $211.39Original price $211.39 - Original price $211.39Original price $211.39Current price $134.57$134.57 - $134.57Current price $134.57
NX Remote Control Kit with 3 x Stainless steel remotes, S1890A+S1896A
HillsHills NX Remote Control Kit with 3 x Stainless Steel Remotes Model: S1890A + S1896A The NX Remote Control Kit provides convenient wireless control ...
View full detailsOriginal price $211.39Original price $211.39 - Original price $211.39Original price $211.39Current price $134.57$134.57 - $134.57Current price $134.57Save 36% -
Original price $104.26 - Original price $104.26Original price$104.26$104.26 - $104.26Current price $104.26Hills Reliance Stand Alone 4 x Relay Receiver, 2 x Remotes Kit
HillsThis Stand Alone 4 x Relay Receiver and 2 x Remotes Kit provides a convenient, efficient solution for users. This kit features 4 programmable relay...
View full detailsOriginal price $104.26 - Original price $104.26Original price$104.26$104.26 - $104.26Current price $104.26 -
Original price $446.66Original price $446.66 - Original price $446.66Original price $446.66Current price $399.80$399.80 - $399.80Current price $399.80
Hills Reliance XR Wireless External Siren – RF-7220-07-1
HillsBest For Hills Reliance XR systems requiring an external wireless siren without running alarm cabling to the siren location. Wire...
View full detailsOriginal price $446.66Original price $446.66 - Original price $446.66Original price $446.66Current price $399.80$399.80 - $399.80Current price $399.80Save 10% -
Original price $55.00Original price $55.00 - Original price $55.00Original price $55.00Current price $33.57$33.57 - $33.57Current price $33.57
Hills Reliance WP16 Slimline External Siren and Strobe
HillsBest For Replacing or adding a compact external audible and visual alarm warning device to a compatible Hills Reliance security system....
View full detailsOriginal price $55.00Original price $55.00 - Original price $55.00Original price $55.00Current price $33.57$33.57 - $33.57Current price $33.57Save 39% -
Original price $13.24Original price $13.24 - Original price $13.24Original price $13.24Current price $11.55$11.55 - $11.55Current price $11.55
Hills Small Round Blue Strobe, ML02
HillsHills Small Round Blue Strobe The small round blue strobe light with high intensity LED is specially designed for external siren box alarm system....
View full detailsOriginal price $13.24Original price $13.24 - Original price $13.24Original price $13.24Current price $11.55$11.55 - $11.55Current price $11.55Save 13% -
Original price $28.00Original price $28.00 - Original price $28.00Original price $28.00Current price $22.00$22.00 - $22.00Current price $22.00
Indoor Siren WP08VA piezo top hat with volume control, DFMWP08VA
HillsIndoor siren piezo top hat with volume control , DFMWP08VA Internal piezo siren with volume control connects to alarm system via hardwire, is acti...
View full detailsOriginal price $28.00Original price $28.00 - Original price $28.00Original price $28.00Current price $22.00$22.00 - $22.00Current price $22.00Save 21% -
Original price $12.09Original price $12.09 - Original price $12.09Original price $12.09Current price $9.59$9.59 - $9.59Current price $9.59
Hills WP05 Recessed Indoor Piezo Siren
HillsBest For Adding a discreet, high-output internal warning device to a compatible hardwired alarm system. Recessed Indoor Piezo Sir...
View full detailsOriginal price $12.09Original price $12.09 - Original price $12.09Original price $12.09Current price $9.59$9.59 - $9.59Current price $9.59Save 21% -
Original price $318.10 - Original price $318.10Original price$318.10$318.10 - $318.10Current price $318.10Hills Reliance Stand alone Wireless Indoor Siren, RF-7120-07-1
HillsHills Reliance Wireless Indoor Siren – RF-7120-07-1 Fully Wireless 2-Way Indoor Siren with 80Plus Secure Technology The RF-7120-07-1 Wireless Indoo...
View full detailsOriginal price $318.10 - Original price $318.10Original price$318.10$318.10 - $318.10Current price $318.10 -
Original price $121.00Original price $121.00 - Original price $121.00Original price $121.00Current price $72.49$72.49 - $72.49Current price $72.49
Hills Activor Remote Controls, 4 button, 2 Pack, RTI-01, S1896A
HillsHills S1896A 4 Button Wireless Stainless Steel Remote Controls – 2 Pack Arm and disarm your Hills alarm system with ease using the Hills S1896A 4 ...
View full detailsOriginal price $121.00Original price $121.00 - Original price $121.00Original price $121.00Current price $72.49$72.49 - $72.49Current price $72.49Save 40% -
Original price $60.50Original price $60.50 - Original price $60.50Original price $60.50Current price $50.95$50.95 - $50.95Current price $50.95
Hills Reliance External Siren Box with Strobe, Horn and Tamper – S3296A
HillsHills Reliance External Siren Box with Strobe, Horn and Tamper The Hills Reliance S3296A is a hard-wired external alarm warning assembly combining...
View full detailsOriginal price $60.50Original price $60.50 - Original price $60.50Original price $60.50Current price $50.95$50.95 - $50.95Current price $50.95Save 16% -
Original price $69.41 - Original price $69.41Original price$69.41$69.41 - $69.41Current price $69.41Hills Reliance RF-DC101-K4 Wireless Door and Window Reed Switch
HillsBest For Adding wireless protection to doors, windows, cabinets and other indoor openings on a Hills Reliance XR or XRPro alarm system....
View full detailsOriginal price $69.41 - Original price $69.41Original price$69.41$69.41 - $69.41Current price $69.41 -
Original price $81.90 - Original price $81.90Original price$81.90$81.90 - $81.90Current price $81.90Hills Reliance RF-1110-07-1 Micro Wireless Door and Window Contact
HillsBest For Discreet wireless protection for indoor doors, windows, cabinets, drawers and other openings connected to a Hills Reliance XR ...
View full detailsOriginal price $81.90 - Original price $81.90Original price$81.90$81.90 - $81.90Current price $81.90
Helpful Alarm Guides
Not sure which Hills alarm system is right for your home or business? These CTC Communications guides can help you compare alarm models, detectors, app control options and installation choices before requesting a quote.
The Benefits of a Hills Reliance Security Alarm System
Learn why Hills Reliance alarm systems remain a trusted choice for homes and small businesses, with motion detection, app control, smoke detector o...
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Is Security Alarm Monitoring Worth It for Homes?
Compare self-monitored alarms and back-to-base alarm monitoring to decide whether 24/7 monitoring is worth it for your home, family or holiday prop...
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Best Alarm System for Small Homes and Units
Small homes and units need compact, easy-to-use alarm systems. Compare Bosch Solution 2000, wireless alarms, app control, pet-friendly sensors and ...
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Glass Break Detectors vs Shock/Vibration Sensors: Which Should You Choose?
Learn the difference between glass break detectors and shock or vibration sensors, including where to use each alarm sensor for windows, doors and ...
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Can I Add Smartphone Control to My Existing Alarm System?
Many existing alarm systems can be upgraded for smartphone control using an IP module, 4G communicator or app-ready alarm upgrade. Learn what to ch...
Read more
Should You Upgrade or Replace Your Old Alarm System?
If your alarm system is old, false alarming or missing app control, you may not need a full replacement. Learn when to upgrade, repair or replace y...
Read more
Top Alarm Systems for 2026: Our Review of the Year’s Best Alarm Systems
Compare the top alarm systems for 2026, including Bosch Solution 2000, Bosch Solution 3000, Bosch Solution 6000, Hills Security, Hikvision AX PRO, ...
Read more
DIY vs Professional Home Alarm Installation
Should you install a home alarm yourself or book a professional installer? Compare DIY and professional alarm installation for cost, reliability, a...
Read more
Signs It’s Time to Upgrade Your Alarm System
Is your alarm system outdated? Learn the key signs it may be time to upgrade, from false alarms and old keypads to no app control and limited zones.
Read more
Trusted By Our Customers
🏠 Residential Alarm Monitoring
Keep your home alarm systems safe 24/7 with professionally monitoring, back to base alarm systems. Our central monitoring station ensures you're never alone—providing instant response in case of emergencies, so you can enjoy peace of mind.
- 🚫 Deterrence
- 🚨 Emergency Assistance
- ⚙️ Customisation
Tailor your alarm monitoring to suit your lifestyle. Whether you need alerts for intrusion, fire, or carbon monoxide, or specific responses for different alarms, we’ll create a system that works for you and your family.
Ready to secure your property with CTC?
Shop systems online or speak with our Sydney team for expert advice and installation.
