Pair of Host Extension Internal Telephone Wireless Voice Intercom Call for Building Office

Condition: 100% brand newItem Type: Wireless intercom Material: ABS plasticColor: As pictures shownMachine Classification: Host extensionDigital Screen Display: Caller ID functionHost Interconnection: Up to 100 units by pressing the ID key to call each otherHost + Multiple Extensions: Up to 100 interconnected extensions can call the host with one key. The host can call the extension by pressing the ID button.Communication Distance(in Open Area): Approx.1000m/3280.8ftPower Adapter: Input: AC100V~240VOutput USB Interface: DC5V/2A DCInstallation Method: Free installation on the desktopCode ID Setting FunctionRingtones Change Adjustment, Volume AdjustmentButtons: 10 digital buttons, 1 call button, 1 setting buttonWorking Current: 400mA Standby Current: 70mATransmitting Power: <18dbm Receiving Sensitivity: >-100dbmWorking Frequency: 433MHzApplicable Situation: Company, factory, hotel, office, tea house, KTV, hospital, entertainment venue, etc. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }

• 1、Full‑duplex wireless voice intercom, no wiring required. The extension of the main unit can display its own number and caller ID.
• 2、The working frequency is 433MHz, and the intercom system can support up to 100 intercommunication without stringing codes. Can realize the networking function, greatly improve your office efficiency.
• 3、The highest wireless intercom is up to 1000m/3280.8ft, so you are not restricted by a room.
• 4、The highest built‑in battery can reach 60 days of talk time without charging, more practical.
• 5、One‑key calling function, one‑key calling host function, one‑key broadcasting function, no need to wait for the call. The sound ringtone can be adjusted to allow you to customize the call ringtone and volume. 6、Suitable for company, factory, hotel, office, tea house, KTV, hospital, entertainment venue, etc.