Specifications

Small size, light weight(2kgs), stable function, easy operation and installation, also with information cards function.

1.Summary

It is wireless call system. no cabling required, this system is made of the master station, the user station, and signal repeater.

 

2. Features

Cable: No cabling required.

Use of frequency: 315/433MHz.

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.

Installation: Put on the desk or hang on the wall.

Music Reminder: there is music sound as the calling, three type of music available,the volume can be adjusted.

Display: Incoming call numbers in descending order circularly rolling display; maximum 16 circularly call number display.

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.

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.

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.

System Capacity: one master station can be up control 256 units user station.

Display Content: bed number (001- 256)

Clock Function: If there is no call, it displays current time

 

3.Technical specification:

1) User machine

Efficiency Call Distance: 1000 meters.

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

KB838S: only it can show user station, the capacity is 99pcs user station.