Call Bell
描述
Technical Data
Call Bell
- With 1 large emergency button and 4 cap sense buttons
- With 1 extension cable for emergency button
- With 4 indication LEDs
- Wireless: RF 2.4GHz frequency band transceiver with internal antenna
- Power: 4 rechargeable AAA batteries or 12V/DC power supply
- The 4 rechargeable AAA batteries can be charged directly by 12V/DC power supply
Dongle (for Receiver Box)
- USB interface
- Input Voltage Range: 5V/DC +/-10%
- Use standard USB HID driver for the keyboard driver
- Wireless: RF 2.4GHz frequency band transceiver with internal antenna
Receiver Box
- An advanced signage box where it is powered by embedded Linux OS
- With TCP/IP socket communication to communicate with the host
- With USB port for the Dongle
Wireless Specifications
- 2.4GHz frequency band
- FSK modulation
- FCC and CE compliant
- RF output power: 18dBm
- Receiver sensitivity: -120dBm
- Up to 50 meters range
Others
- Storage temperature: -40°C to +70°C
- Operating temperature: 0°C to +70°C
- Operating humidity: 100%
