Adoner 20 Wireless Restaurant Coaster Pager Guest Call Paging Queuing Calling System

Description

20 Restaurant Coaster Pager Guest Call Wireless Paging Queuing Calling System Features: - 20 channels keypad call buttons - 20 batteries charging slots - Portable rechargeable vibration & Buzzer & LED receiver - Independent storage memory avoiding data lost - High receive sensitivity - Self testing while power on - Beautiful and fashionable designing - Transmitting distance is about 1000m(3280ft) in the open area Specifications: Receiver Frequency: 433.92MHz Receive sensitivity: -107dBm Decoder: Learning code (AM) Standby current: 10mA Working current: 75mA (vibration) Power: Built-in 360mAh rechargeable lithium battery Charging voltage: DC 5V Size: 100 x 50 x 11mm / 3.9 x 1.9 x 1.4 in Weight: 40g / 0.09lb Keypad call button Frequency: 433.92MHz Standby current: 24mA Transmit current: 100mA Encoder: Learning code (AM) Working voltage: DC 5V/6A power adapter Adapter: AC 100-240V 50/60Hz Size: 300 x 150 x 33mm / 11.8 x 5.9 x 1.3in Weight: 812g / 1.8lb Package Included: - 1 x Call button keypad - 20 x Receiver - 1 x Power adaptor - 1 x Antenna - 1 x English Manual