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junction-box-mountable radio dimmer rdp-21
Junction-box-mountable radio receivers are end-point components of the EXTA LIFE system, allowing for control of various devices, such as lamps, roller blinds, entry gate and garage door drives. Bidirectional communication between receivers and the controller ensures that the mobile app always shows the current state of the receivers. This mode of communication also makes it possible to remotely change chosen parameters of the receivers, and to remotely assign transmitters. This is done directly from the level of the controller, without any need to physically access the receivers. The implemented packet encryption algorithm ensures safety of the control process. Receivers may also be directly controlled by transmitters, with the controller bypassed. Multiple transmitters can be assigned to one receiver, which allows for independent control from multiple locations. The receivers are designed to be placed inside a standard junction box, and be in-wall or surface-mounted. The presence of additional cable connections, fully configurable from the controller, enhances control functionality. The receivers are equipped with a built-in remote update feature, which allows to update receiver software from the level of the controller, a feature that can be useful in situations, when a new functionality is introduced in the system.

Exta life is a solution that is comfortable, completely safe, and also affordable.

Bidirectionality, enhanced logical functions, encryption of transmitted data, ability to control devices remotely, automatic component detection, and free-of-charge receiver auto-updates are features that definitely make exta life smart home stand out among other solutions currently available on the market.

The exta life system allows for comfortable and efficient control of lights, roller blinds, entry gates, heating, and other electrical devices, not only with the help of radio transmitters, but also by using smart phones and tablets from any location world-wide.

product features
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brighten your interior
The RDP-21 dimmer allows for continuous brightness control of incandescent, halogen and dimmable lights.
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lighting automatically adjusts to the time of the day and the season of the year
By controlling the brightness of fixtures, we can adjust the lighting to match the time of the day.
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receiver auto-update
RDP-21 allows for automatic software updates in the device. Thanks to this, the automation never becomes obsolete.
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control from many locations
The RDP-21 receiver can be simultaneously controlled by many different transmitters, ensuring ultimate user comfort.
technical specifications
Designation: RDP-21
Rated supply voltage: 230 V AC
Rated frequency 50 / 60 Hz
Rated power consumption: 0,50 W
Number of channels: 1
Control type: Wireless and wired
Transmission: radio waves – ISM 868 MHz band
Transmission method: bidirectional – 9600 bps
Encryption: algorithm based on 128-bit key
Operating range: up to 330 m in open area
Visual signalling (transmission / programing): green LED
Maximum number of paired switches: 96 pairs
Information on current status of receiver: yes – in EXTA LIFE mobile app (ON/OFF status + % value of lighting intensity)
Operation modes in cooperation with EXTA LIFE transmitters: one-button, two-button, timer, comfort
Operation modes in cooperation with EFC-01 controller: switching on, switching off, dimmer, timer, up to 4 ”favourite”settings
Number of external inputs: 1
Level memory: yes
Cooperation with switches*: mmomentary, toggle
Operation modes for external input
(momentary switch):
toggle (switching-on at the last set level,
switching-on at 100% brightness, brightness
control), timer
Operation mode for external input
(toggle switch):
change of switch position reverses the output
state (switching-on at the last set level,
switching-on at 100%)
Time setting range**: 1 s – 18 h
Controlling element: 2 x MOSFET transistiors
Control method: leading edge – output on at “0”
Supported loads: traditional, incandescent or halogen 230 VAC
transformer (electronic or toroidal)-powered
sources of light
chosen dimmable LED bulbs – chosen
dimmable CFL bulbs
Maximum load: 250 W for R loads / 200 VA for RC and RL
Operating temperature range: -10 to +55 °C
Housing protection class: IP20
Safety class: II
Dimensions: 47,5 x 47,5 x 20 mm
Weight 0,040 kg
Compliant with standards: PN-EN 60669, PN-EN 60950, PN-EN 61000
PN-ETSI EN 300 220-1, PN-ETSI EN 300 220-2

* The external input parameters (switch type / operating mode / time for external input) are programmable exclusively from the level of the mobile app in conjunction with the EFC-01 controller. By default, the input is set to work with momentary switches in toggle mode.
**The time setting is set independently for each transmitter assigned to the receiver in timer mode, as well as for the external input and for control from the level of the mobile app.