Check the listing for details. Retekess T111 Restaurant 20 Coaster Wireless Paging Queuing Calling System Cafes. Color: Black, Condition: New, Made in China. Listed at 342.84 USD. Main Features: Our pager system is used in restaurants that require their guests to order their food and take a seat while they wait for their food;With our system you can provide your guests with a pager and call them back when they are needed The gain of the copper wire antenna reaches a stable signal while expanding the signal range;The built in professional pager chip makes the working distance is about 1000m or 3280ft in the open area The wireless queuing system set consists of one 20 channel keypad wireless calling button base and 20pcs wireless pagers 3 Prompt modes; Vibration or Buzzer or Vibration+Buzzer; each mode is accompanied by the LED flashing; You can set the pager to vibrate only without beep Package Includes 1 x Keypad 20 x Pagers 1 x Power adaptor 1 x Antenna 1x Manual.