Wireless Intercom System Office Intercom Machine with LCD Screen 433MHz 3280ft Range Adjustable Volume Call Telephone

Wireless Intercom System Office Intercom Machine with LCD Screen 433MHz 3280ft Range Adjustable Volume Call Telephone Description

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- device with built-in signal.
Supports Multiple Devices: The main unit and sub-units can support to 99 devices for intercommunication. Each unit displays its own ID number, ensuring secure digital encryption and preventing code interference.
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.
Long-Range & High-Quality Sound: The wireless transmission distance reaches 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 and high-fidelity sound.
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 to 8 walls within a room, making it a reliable communication tool for any environment.

Power Supply Method: Direct power supply, USB interface 5V2A
Power Adapter: US Plug, EU Plug (Without)
Style: Host, Host + Extension (optional)
Working Temperature: -10 C to 55 C
Transmission Distance: Approximately 1000 meters of open space, 5-40 meters of partition walls, floors 1-8
Working Power: 0.5W
Working Frequency: 410MHz-460MHz
Working Hours: plug-in work
Music Ringtones: 38 ringtones
Ring Volume: Level 3 adjustment (standby machine volume adjustment key)
Call Sound: Level 3 adjust call size (adjust volume key during call operation)
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