Wireless Intercom System,Intercom Intercom Office Intercom With Lcd Business Office Room Intercom To Room Adjustable Intercom 3280ft Adjustable Screen 3280ft Lcd Screen 3280ft Room To

Wireless Intercom System Office Intercom Machine with LCD Screen 433MHz 3280ft Range Adjustable Volume Telephone Intercom for Business Office House Calling Room to Room Intercom System wireless transmission distance reaches to 1 kilometer, with clear sound quality for two-way conversations. device supports simultaneous talking without need to alternate pressing buttons, ensuring stable performance and high-fidelity sound. This wireless intercom phone is suitable for a wide of settings, including offices, factories, hotels, KTVs, hospitals, and other public venues. device can penetrate to 8 walls within a room, making it a reliable communication tool for any environment. 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. device offers incoming call display, adjustable call , and one- calling. It also features a one- broadcast function and 38 different ringtones with adjustable . main unit and sub-units can support to 99 devices for intercommunication. Each unit displays its own number, ensuring secure digital encryption and preventing code interference.

Note:
real color of item may be slightly different from pictures shown on website caused by many factors such as brightness of your and light brightness.
Please allow slight manual measurement deviation for data.

Specifications:
Transmission : <30dbm
Working Frequency: 410MHz~460MHz
Host Interconnection, 2-100 interconnected hosts and extensions, supporting to 100 interconnections
Working Temperature: -10 ° C to 55 ° C
Transmission Distance: Approximately 1000 meters of open space, 5-40 meters of partition walls, floors 1-8
Ringtones: 38 ringtones
3. Unable to make calls - Check if network pairing is successful
Working Hours: plug-in work
Backup Current: 70mA
Adapter: Plug, Plug (optional)
5. Whispering sound - indicates that distance is too close
Call Sound: Level 3 adjust call size (adjust key during call operation)
Product Size: 170 * 110 * 54mm/6.7 * 4.3 * 2.1inch
2. Unclear call, noise, automatic interruption - indicates a long distance. If there is an interference source, please adjust distance
6. If screen is not lit and indicator light is not on, it indicates that switch has not been turned on
Working : 0.5W
4. screen flashes and indicator light flashes frequently - indicating that adapter is unstable. Please replace it with a regular 5V2A supply
Supply Method: Direct supply, USB interface 5V2A
Working Current: 400mA
Button: 10 numeric buttons, 1 call button, 1 settings button
Style: Host, Extension (optional)
7. Only a beep sound during call indicates that machine being called has not hung properly
Receiving Sensitivity: >-100dbm
Ring : Level 3 adjustment (standby machine adjustment key)
1. If call bell rings only once or call is interrupted, it indicates that distance is far. Please adjust distance
8. Cannot broadcast - This indicates that it is not first host in code (press number<3>key), which is code
Points for Attention:


Package List:
1 * Cord
1 * Intercom Telephone Host
1 * Adapter
1 * English Instruction Manual