The Manufacturer : KENWEI Communication Co., LTD
Description: 1. Super design, duplex frequency interphone function.
2. 21 channels
3. Half-duplex / duplex for optional.
4. Ultra long communication distance with clear sound.
5. Control by microcomputer, operate neatly.
6. PLL frequency system with reliability and stability
7. LCD illuminates in dark and shows all operations
8. Intelligent charge,Power-saving mode and longer standby time
9. Time display
10. Base ring and 11 chord ring for optional.
11. Polyphonic ring tones and 4-step volume adjustable
12. Clock and alarm in base and handset
13. Low battery alert
14. Keyboard locked.
Duplex transceiver
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