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

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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

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