AJAX 42843.04.WH3 Two-Way Wireless Key Fob, White
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
A member of our team will check with the manufacturer and personally reply by email.
Key Features
- Fast, reliable arm/disarm and panic control for quicker incident response
- Two-way confirmation ensures commands are received and reduces false alarms
- Accidental-click protection and authentication prevent unintended or forged inputs
- Long battery life (CR2032) and up to 4,265' wireless range for low-maintenance coverage
- Seamless integration with AJAX hubs and third‑party systems for scalable security monitoring
Quick Specifications
- Product Model
- SpaceControl
- Brand Name
- AJAX
- Product Line
- Baseline, Intrusion protection
- Product Name
- SpaceControl Keyfob Transmitter
Explore the details
Product information
42843.04.WH3
Overview
Instant, dependable control for commercial and residential security installations. The AJAX SpaceControl two-way wireless key fob delivers immediate arm/disarm, night mode and panic alert capability so staff and tenants can react quickly during incidents. As an AJAX key fob, it uses secure two-way Jeweller communication to confirm command execution and detect jamming — reducing false alarms and improving overall monitoring reliability. With four programmable buttons, accidental-click protection and authentication to prevent forgery, SpaceControl keeps access simple without compromising safety. The compact white transmitter runs on a standard CR2032 battery for extended operation and supports an industry-leading operating distance (up to 4,265') for flexible placement across large sites. Set up is fast through the iOS/Android app, and the device integrates with third-party central units via uartBridge or ocBridge Plus for streamlined access control and surveillance workflows. Ideal for installers, facility managers and security integrators looking to add verified remote control to alarm and monitoring systems — add AJAX SpaceControl to your security toolkit today.
Features
- Fast, reliable arm/disarm and panic control for quicker incident response
- Two-way confirmation ensures commands are received and reduces false alarms
- Accidental-click protection and authentication prevent unintended or forged inputs
- Long battery life (CR2032) and up to 4,265' wireless range for low-maintenance coverage
- Seamless integration with AJAX hubs and third‑party systems for scalable security monitoring
| General Information | |
|---|---|
| Brand Name | AJAX |
| Manufacturer | AJAX SYSTEMS CH |
| Product Line | Baseline, Intrusion protection |
| Product Name | SpaceControl Keyfob Transmitter |
| Product Type | Keyfob Transmitter |
| Product Model | SpaceControl |
| Application/Usage | Security System |
| Country of Origin | UA |
| Manufacturer Part Number | 42843.04.WH3 |
| Technical Information | |
| Channel Frequency | 926.50MHz |
| Wireless Technology | RF |
| Number of Total Buttons | 4 |
| Maximum Operating Distance | 4265' |
| Battery Information | |
| Battery Size Supported | CR2032 |
| Maximum Battery Run Time | 43829hr |
| Physical Characteristics | |
| Color | White |
| Depth | 0.40" |
| Width | 1.50" |
| Height | 2.60" |
| Weight | 0.46oz |
| Form Factor | Portable |
| Power Description | |
| Power Source | Battery |
| Input Voltage | 3V DC |
| Product Information | |
| Installation Type | Hybrid (DIY + Professional) |
| Remote Control | |
| Battery Included | Yes |
| Warranty | |
| Limited Warranty | 2-Year |
| Miscellaneous | |
| Features | False Alarm Reduction, Jeweller Radio Technology |
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Plan your purchase
Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- 4284304WH3
- Manufacturer part:
- 42843.04.WH3
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsAJAX 42843.04.WH3 Two-Way Wireless Key Fob, White
42843.04.WH3