Non-visual intercom doorbell 2 4 G wireless home wireless doorbell touch-key double batteries a bracket

1, using 2.4 G ISM public space: 2402-2483 MHZ.

2, air transfer rate of 250 k.

3, transmission power: within 20 DBM (100 mw), receiving sensitivity: - 100.

4, AFH adaptive frequency hopping technology, strong anti-interference ability, can be Shared with wireless network card and bluetooth 2.4 G band.

5, outside the top there is a CALL button and the machine panel have 0-90 digital key and a lock key, off-hook and on-hook keys, and the power switch, and three indicators: charge indicator (red) and working indicator light (green) and the CALL light (blue light).

Have to code function 6, outside the machine, the machine have to code, to code, and code function.

7, indoor machine power supply DC5V, current: 200 ma.Outside the machine power supply DC5V.

8, communication distance: clearing 500 meters.

9, the real full duplex wireless intercom function, sound quality is good, have a wireless unlock function

10, hand-held phone, hang up, lock, with flashes through function

11, the call back tone, outdoor power saving function, a charge can use more than 3 months, touch button design, completely waterproof.

13 and biggest support the doorbell yituo one to four, 99 handsets and interflow maximum support.

14, indoor and outdoor with lithium battery, it is more convenient to use, which will get what you want to get.

15, suitable for home users, villa, office, security intercom and other occasions to use, follow one's inclinations of life.

Standard configuration: hand-held + 1 + hand-held power + the door the door machine mechanical and electrical source + 2 lithium battery BL - line 5 j + + specification unlock + screw package