Wireless paging system: - 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 - Wireless church nursery paging systems are a dependable way to help any worship temple; church nursery paging system you can be sure to enhance your churches image;Parents can feel confident that if they are needed in the classroom Longer Working distance: - Built in professional pager chip makes the working distance is about 1000m or 3280ft in the open area, even can use this pager system in a church with brick walls. - No interference, more strong signal - RF wireless technology with millions of different learning codes(AM) support independent storage memory avoiding data lost; -107dBm high receive sensitivity. - Copper wire antenna for keyboard transmitter button - Copper wire antenna offer more stable signal; Built in code,no strings between each other,so you can use 2 same models in one room 3 Prompt modes. Rechargeable Lithium battery for each beepers: - Rechargeable 360mAh lithium battery for each pager and 20 battery charging slots for transmitter key button, easy to charge - Working time is up to 4.8h, and 36h standby, and low battery indicator;charging indicator keep smooth working without any delay