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Specifications
wireless nurse call system, one master machine can control up to 256 user stations.Brief Introduction of KB838
It is wireless call system. No cabling required, this system is composed of the master station, the user station, and signal repeater.
2. Features
1) Cable: No cabling required.
2) Use of frequency: 315/433MHz.
3) Call Distance: The wireless calling can cover within the range of 1, 000 meters of the three-dimensional communication calls (open land). For the long distance, the additional repeaters can be added to extend a transmission distance.
4) Installation: Put on the desk or hang on the wall.
5) Music Reminder: There is music sound as the calling, three type of music available, the volume can be adjusted.
6) Display: Incoming call numbers in descending order circularly rolling display; Maximum 16 circularly call number display.
7) Number Save: The master station can save 16PCS call numbers. The save time can be adjustable, from 1 minute to 30 minutes. From the master station, you can check up and cancel the numbers.
8) Reset of the call number: The number can automatically deleted after setting times. Power supply of the user station number: DC9V battery, the life time can be up to one year.
9) User station number set: The number should be set before. Two or more system can be used in the same area, by different number setting.
10) System Capacity: One master station can be up control 256 units user station.
11) Display Content: Bed number (001- 256)
12) Clock Function: If there is no call, it displays current time
3. Technical specification:
1) User machine
Efficiency Call Distance: 1000 meters, one signal transmitter added, 1000m distance increased
Call Angle: 0-360 degree.
Battery: DC 9V/250mA
Antenna impedance: 50Ω
Transmit Frequency: 315MHz or 433MHz
2) Master station
The master station can at most control 256 units user station.
LED Display: 3-inch bright digital tube.
Transmission distance: 1000 meters.
Maximum can save 16 call numbers.
Call Save time: 1~30 minutes, adjustable.
Power: 220V± 10% 50Hz.
Work methods: Continue
Power Consumption <20W
Volume Output: 1W
Level of sensitivity: -105dB
Work Environment: Temperature: 0~40° C relative humidity: ≤ 80%
3) Signals Repeater
Maximum transmit distance: 1000 meter
Accept frequency: 315MHz or 433MHz
Power: 220V± 10% 50Hz
Work method: Continue
Power consumption <1W
Work Environment: Temperature: 0~40° C relative humidity: ≤ 80%
4. Models
KB838: It can show the ward number and bed number, capacity is 256PCS user station.
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