Working voltage	DC3.6V~4.2V
Standby current	<6mA
Working frequency	433.92MHz
Modulation	AM
Working temperature	-10°C~+50°C
Receiving sensitivity	-110dBm
reception transmitter	1000m

How it works

the coaster pager system ususlly in restaurant,hotel

Guest come to the restaurant and make his or her order. The waiter give each guest a pcs of pager(R18) that matches the guest ID.When the order is ready,the waiter at the front counter will press the transmitter (T180) to alert the pager that guest hold. Guest get the wireless signal by pager viabrating or LED flashing or DIDI with his or her number, and go to the front to take his or her order.

Signal repeater

Transmitter

Promised promised by seller about returns

__________________________________________

our purpose is trying our best to make your satisfaction

We will refund you for items returned within 7 days of you receiving them, for any reason. A full refund will be given if items are returned in their original condition Merchandise which is damaged or missing components is not refundable.
Buyers are responsible for return shipping with proper packaging.
On receiving items, we will refund you immediately.

Warranty Maintenance

_________________________________________

We provide 1 month replacement and 12 months maintenance warranties. Items can be replaced during the first month or maintained for the first year.
Buyers are only responsible for the return shipping fees for warranty items.In most cases, buyer will only have to return the problem components rather than the entire package.
Before returning items, please make sure you get our return address, and write "gift"on the delivery detail sheet. Please use regular postal service and send us the tracking number. As soon as we receive the items, we will repair or exchange them ASAP

we try our best to make every customers satisfaction

Any questions. be free to contact me ,I will do my best to help you

Any questions, be free to contact me ,I will do my best to help you