1. Technically, it is divided into amplitude modulation technology (AM) and frequency modulation technology (FM). AM signal segment: There are 315MHZ and 433MHZ. FM is 433MHZ.
2. It can be used with other accessories: signal repeater, walkie-talkie, storage recorder, alarm light, etc.
3. Modify the number at will and reuse it: one code for one item, preventing string codes and garbled codes, and can be reset after the host deletes the number.
4. Repeated broadcast: In the case of multiple calls, if the waiter fails to handle it, the pager will be displayed in a loop to avoid missing service time.
