01BRIDGES & ROUTERS
Clear conversation across the property
The main unit sits quietly on a desk or shelf, its display glowing softly as it waits for a call. It is a discreet presence in an office or home, ready to bridge the distance between rooms without the clutter of cables.
This system facilitates clear two-way communication across large spaces. It suits environments where immediate contact is essential, from busy workshops to multi-storey residences, allowing users to speak simultaneously without interrupting the flow.


02CONNECTIVITY
Stable signal over long distances
Operating at 433MHz, the device transmits digitally to maintain clarity even when separated by significant distance. In open space, the range extends to roughly 1000 meters, while partition walls reduce this to between five and forty meters depending on construction. The system works through floors one to eight, ensuring that messages reach their intended destination reliably.

04INTERACTION
One touch calling and broadcast
Users can initiate contact with a single press, eliminating the need to dial or navigate menus. A dedicated broadcast function allows a message to be sent to all connected units instantly, useful for announcements or urgent alerts. Incoming calls are displayed clearly, and the interface remains intuitive for anyone using the system.
AUDIO
Adjustable sound and ringtones
With thirty-eight different ringtones available, users can select a tone that fits their environment, from subtle chimes to more distinct alerts. Volume is adjustable across three levels, allowing the standby sound to be quiet enough not to distract, yet loud enough to be heard when a call arrives. Sound quality remains clear during simultaneous two-way talking.
POWER
Simple direct power supply
The system operates via a direct USB interface requiring 5V2A DC power, drawing only 0.5W of energy. It is designed for continuous plug-in operation, functioning effectively in temperatures ranging from -10°C to 55°C. The compact design means it requires minimal space, fitting easily onto desks, shelves, or wall mounts in various settings.
AT A GLANCE
The key points
- Operates on 433MHz for stable digital transmission
- Supports up to 99 connected devices via ID numbers
- Transmits approximately 1000 meters in open space
- Features 38 ringtones and three-level volume control
- Penetrates up to eight walls within a room
Highlights
- Power Supply Method
- Direct power supply, USB interface 5V2A DC
- Transmission Distance
- Approximately 1000 meters of open space, 5-40 meters of partition walls, floors 1-8
- Volume
- Level 3 adjustment (standby machine volume adjustment key)
- Call Sound
- Level 3 adjust call size (adjust volume key during call operating)
- Button
- 10 numeric buttons, 1 call button, 1 settings button
- Product Size
- 170 * 110 * 54mm/6.7 * 4.3 * 2.1inch
About this product
1, [Wireless Intercom System]: This wireless intercom phone operates at 433MHz and offers stable digital transmission over long distances. It doesn’t require any wiring, network, or additional fees, making it a plug and play device with built in signal. 2, [Supports Multiple Devices]: The main unit and sub units can support up to 99 devices for intercommunication. Each unit displays its own ID number, ensuring secure digital encryption and preventing code interference. 3, [Adjustable Call Features]: The device offers incoming call display, adjustable call volume, and one touch calling. It also features a one touch broadcast function and 38 different ringtones with adjustable volume. 4, [Long Range]: The wireless transmit distance reaches up to 1 kilometer, with clear sound quality for two way conversations. The device supports simultaneous talking without the need to alternate pressing buttons, ensuring stable performance. 5, [Versatile Application]: This wireless intercom phone is suitable for a wide range of settings, including offices, factories, hotels, KTVs, hospitals, and other public venues. The device can penetrate up to 8 walls within a room, making it a tool for any environment.
Host Interconnection, 2-100 interconnected hosts and extensions, supporting up to 100 interconnections
If the call bell rings only once or the call is interrupted, it indicates that the distance is far. Please adjust the distance
Unclear call, noise, automatic interruption – indicates a long distance. If there is an interference source, please adjust the distance
Unable to make calls – Check if network pairing is successful
The screen flashes and the power indicator light flashes frequently – indicating that the power adapter is unstable. Please replace it with a regular 5V2A power supply
If the screen is not lit and the power indicator light is not on, it indicates that the power switch has not been turned on
Only a beep sound during the call indicates that the machine being called has not hung up properly
Cannot broadcast – This indicates that it is not the first host in the code (press the numberkey), which is the code transmitter
The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
Please allow slight manual measurement deviation for the data.
Specification
Style: Extension
Working Temperature: -10 ° C to 55 ° C
Working Power: 0.5W
Working Frequency: 410MHz~460MHz
Working Hours: plug-in work
Music Ringtones: 38 ringtones
Working Current: 400mA
Transmission Power: <30dbm
Backup Current: 70mA
Receiving Sensitivity: >-100dbm
Points for Attention:
Whispering sound – indicates that the distance is too close
Package List
1 * Intercom Telephone Extension
1 * Manual
1 * Power Cord
1 * Adapter
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