Product SKU: DHI-ARK30C-RW2
Product Overview
The Dahua DHI-ARK30C-RW2 is a wireless indoor LCD keypad designed to provide convenient local control of a compatible Dahua alarm system. Its 20-button interface combines ten numeric keys with ten function keys, allowing authorised users to arm, disarm, check system status and activate supported emergency functions. Password and IC/DESFire card operation provide flexible user authentication, with two IC cards listed as included. Dedicated medical, fire and emergency shortcuts allow rapid alarm activation, while four indicators display external power, arm/disarm, fault and alarm conditions. Two built-in buzzers provide sound pressure up to 95dB(A) at one metre. The keypad uses encrypted two-way 433MHz communication and can operate from 12V DC or four CR123A batteries.
Key Capabilities
LCD Alarm Control Interface
The indoor keypad provides a dedicated interface for arming, disarming, checking alarm-system status and completing supported user operations without relying solely on a mobile device.
Password and Card Operation
Authorised users can arm or disarm with a password or compatible IC/DESFire card, with two IC cards listed as included accessories.
Medical, Fire and Emergency Shortcuts
Three dedicated emergency shortcuts provide rapid access to programmed medical, fire and emergency alarm functions.
Up to 95dB Local Sound
Two built-in buzzers provide adjustable local sound from approximately 73dB(A) to 95dB(A) at one metre for status and alarm notification.
Encrypted Two-Way Wireless
The 433MHz wireless connection uses two-way communication, AES128 encryption and frequency hopping to improve command confirmation and radio reliability.
Flexible Battery or 12V DC Power
The keypad can use four CR123A batteries or a suitable 12V DC supply, allowing wireless installation or continuous external power according to the site design.
Best For
- Residential Alarm Systems: Provides a fixed indoor point for arming, disarming, checking status and using supported emergency shortcuts.
- Offices and Retail Sites: Password and card operation suit properties where multiple authorised users need convenient alarm control.
- Wireless Retrofit Installations: Battery power can reduce the need for new cabling where compatible radio coverage is available.
- Sites Requiring Local Status: Four indicators and the LCD interface help users identify alarm, fault, power and arming conditions at the keypad.
- Emergency Shortcut Access: Dedicated medical, fire and emergency controls provide faster access to programmed alarm events.
Why Choose the DHI-ARK30C-RW2
The DHI-ARK30C-RW2 gives a compatible wireless alarm system a dedicated local control point rather than requiring every user to rely on an app or keyfob. Its password and IC/DESFire card options suit multi-user properties, while 20 physical buttons provide direct access to daily alarm functions. Four status indicators, an LCD interface and dual buzzers make system conditions easier to recognise, and the medical, fire and emergency shortcuts support faster response to programmed events. AES128 encryption, frequency hopping and two-way wireless communication strengthen system reliability. Supplied by Security Wholesalers, this keypad is best selected after confirming hub compatibility, regional frequency, power method and the required user-credential workflow.
Buyer Decision Tips
Compatibility Tip: Confirm that the selected Dahua alarm hub supports this 433MHz keypad version. Similar-looking 868MHz models are regionally different and should not be mixed without manufacturer confirmation.
Power Tip: Four CR123A batteries support a cable-free installation, while a suitable 12V DC supply can reduce battery replacement. Confirm whether external power equipment is required because it is not listed as included.
Emergency Tip: Program and test medical, fire and emergency shortcuts as part of the complete alarm response plan. A keypad shortcut does not by itself guarantee monitoring-centre or emergency-service attendance.
Key Features & Technical Specifications
| Model | DHI-ARK30C-RW2 |
| Product Type | Wireless indoor LCD alarm keypad. |
| Alarm-System Role | Arming, disarming, status checking and emergency shortcut control for a compatible Dahua wireless alarm system. |
| Display | LCD user interface. |
| Buttons | 20 physical buttons: 10 numeric buttons and 10 function buttons. |
| Indicator Lights | 4 indicators for external power, arming/disarming, fault and alarm status. |
| Built-In Buzzers | 2. |
| Sound Pressure | Maximum 95dB(A) at 1m; minimum 73dB(A) at 1m. |
| Arming and Disarming | Password or compatible IC/DESFire card. |
| Emergency Shortcuts | Medical, fire and emergency. |
| System Status Search | Supported. |
| Tamper Detection | Supported. |
| Low-Battery Detection | Supported. |
| Remote Update | Cloud update with automatic recovery from update failure. |
| Wireless Frequency | 433.1–434.6MHz. |
| Wireless Transmit Power | EIRP limited to 10mW. |
| Wireless Communication | Two-way. |
| Open-Space Communication Distance | Up to 1,200m for alarm transmission. |
| Wireless Security | AES128 encryption and frequency hopping. |
| Power Supply | 12V DC or 4 × CR123A batteries. |
| Battery Type | CR123A. |
| Battery Standby | Up to 3 years under Dahua’s stated default test conditions; approximately 2 years when the relevant additional function is enabled. |
| Maximum Power Consumption | 4.8W. |
| Operating Current | Battery: maximum 1.6A and 20µA standby; 12V DC: maximum 0.77A and 1.6mA standby. |
| Temperature Measurement Range | –10 °C to +55 °C. |
| Operating Environment | Indoor. |
| Operating Temperature | –10 °C to +55 °C. |
| Operating Humidity | 10%–90% relative humidity. |
| Storage Temperature | –10 °C to +55 °C. |
| Storage Humidity | 10%–90% relative humidity. |
| Installation | Wall mount. |
| Casing Material | PC and ABS. |
| Appearance Colour | White. |
| Anti-Corrosion Level | Basic protection. |
| Product Dimensions | 170.0 × 129.0 × 31.2mm. |
| Net Weight | 390g. |
| Gross Weight | 665g. |
| Packaging Dimensions | 214.0 × 162.0 × 57.0mm. |
| Languages | 16 supported interface languages, with English configured by default. |
| Included Accessories | 2 × IC cards. |
| Certification | CE. |
Ideal Use Cases
Home Entry and Exit Points
Mount near the main internal entry so occupants can arm or disarm the compatible alarm system when leaving or returning.
Office Reception Areas
Provides staff with a fixed alarm-control point for system status, card or password operation and emergency shortcuts.
Retail Back-of-House Areas
Useful near staff entrances or secure internal zones where authorised employees need controlled alarm-system access.
Warehouses and Workshops
A dedicated keypad can simplify daily arming and disarming when different workers need authorised access to the alarm system.
Multi-User Alarm Systems
Password and card operation can support sites where individual credentials need to be assigned and removed as users change.
Battery-Powered Retrofit Positions
Four-CR123A operation can suit selected indoor positions where compatible wireless coverage is strong and new power cabling is impractical.
Choosing the Right Model
- Choose the DHI-ARK30C-RW2 if: You need a compatible 433MHz wireless LCD keypad with password, card and emergency-shortcut control.
- Choose a keyfob if: Users only require simple portable Home, Away, Disarm and SOS functions without a display or numeric keypad.
- Choose a wired keypad if: The alarm platform requires a wired bus connection or the site does not permit wireless control devices.
- Add dedicated sirens if: Wider indoor or outdoor audible coverage is required beyond the keypad’s local 95dB buzzer.
- Confirm card management: Plan how cards will be issued, named, revoked and replaced for each authorised user.
FAQs
- Is the Dahua DHI-ARK30C-RW2 a complete alarm system?
No. The DHI-ARK30C-RW2 is a wireless indoor keypad used to control and check a compatible Dahua wireless alarm system. It requires a supported alarm hub and correctly enrolled peripherals before it can arm, disarm or report system conditions. Sirens, detectors, contacts, the alarm hub, monitoring services and installation are not included unless supplied separately as part of a selected alarm package. - Can users arm and disarm with a card?
Yes. The keypad supports arming and disarming by password or compatible IC/DESFire card. Dahua lists two IC cards as included accessories. Card compatibility, user permissions and system programming must be confirmed through the connected alarm hub. Cards should be assigned to individual authorised users where possible so lost credentials can be removed without changing every user’s access method. - How loud is the built-in keypad alarm?
The DHI-ARK30C-RW2 uses two built-in buzzers with sound pressure adjustable between a listed minimum of 73dB(A) and a maximum of 95dB(A) at one metre. The buzzer provides local status and alarm sound at the keypad, but it should not automatically be treated as a replacement for dedicated indoor or outdoor alarm sirens where broader property coverage is required. - What emergency shortcut alarms are available?
The keypad provides three emergency shortcut functions for medical, fire and emergency events. These shortcuts allow a programmed alarm request to be generated without navigating through the standard arming menus. The exact response depends on the hub configuration, enabled communication paths, app settings and any connected alarm receiving service. Emergency shortcuts do not guarantee attendance by police, fire or medical services. - How far can the wireless keypad communicate?
Dahua specifies an open-space alarm-transmission distance of up to 1,200 metres for the 433MHz version. Indoor range will normally be lower because walls, reinforced concrete, metal structures, electrical interference and the keypad’s mounting position affect radio performance. The keypad uses two-way communication, AES128 encryption and frequency hopping, helping the system confirm commands and improve wireless reliability. - Can the keypad run from batteries or wired power?
Yes. The DHI-ARK30C-RW2 can use a 12V DC power supply or four CR123A batteries. Dahua lists up to three years of standby under its stated default test conditions, or approximately two years when the relevant additional function is enabled. Actual battery life varies with use frequency, wireless conditions, alarm activity, temperature, display operation and battery quality. A 12V DC supply is not stated as included. - Is the ARK30C-RW2 suitable for outdoor installation?
No. Dahua specifies the keypad for indoor wall mounting and lists an operating range of –10 °C to +55 °C with 10%–90% relative humidity. No IP weatherproof rating is stated. Install it in a dry, accessible indoor position away from direct moisture, condensation, extreme heat, strong radio interference and locations where unauthorised users could easily remove or damage it. - What should I confirm before ordering this wireless keypad?
Confirm that the keypad’s 433MHz regional version is compatible with the selected Dahua wireless alarm hub, and check the planned radio range, wall position, power method and card-management requirements. Also decide whether dedicated sirens, detectors, contacts or professional monitoring are needed. Security Wholesalers can assist with matching the keypad to a compatible Dahua alarm system and expansion plan.
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