Description
U-PROX Keyfob B4 BLACK
The U-PROX Keyfob B4 is a wireless 4-button key fob for convenient control of the U-PROX MPX security system. The device supports arming, disarming, partial arming (e.g., “night mode”), and an additional programmable function. The key fob buttons can be configured to the user’s preference, and the device can also be used as a panic button.
Communication occurs via secure two-way ISM radio at 868.0–868.6 MHz, with a range of up to 100 m (in open space). The device uses a CR2032 battery with a lifespan of up to 5 years.
Technical specifications
| Parameter | Description / value |
|---|---|
| Device | U-PROX Keyfob B4 — wireless 4-button key fob for security system control |
| Number of buttons | 4 (arm, disarm, partial arm/stay, programmable) |
| Operating frequency | 868.0–868.6 MHz (ISM band) |
| Communication channels | Multi-channel, secure two-way communication |
| Encryption | 256-bit secure communication |
| Operating range | Up to ~100 m in open space (depending on environment) |
| Power supply | 3 V (CR2032 battery included) |
| Battery life | Up to 5 years |
| LED indicator | Yes — provides feedback on user commands |
| Dimensions (W × H × D) | 39 × 10 × 68 mm |
| Weight | ~40 g |
| Operating temperature | –10 °C to +55 °C |
| Humidity (allowed) | Typically up to 75% (according to EN standards) |
| Environmental class | II (EN 50131-1) |
| Security grade | Grade 2 |
| Package includes | Key fob, CR2032 battery (installed), manual |
| Color | White or black |
| Warranty | 2 years (excluding batteries) |
Notes
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The key fob’s programmable buttons can be configured with the U-PROX Installer mobile app, for example, for partial arming or other functions.
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The device is designed to work with various U-PROX MPX control panels and signal repeaters, allowing for flexible security system management.
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