There are3 kinds of standard system configuration:
A: Simple sysem one including:
1)One calling bell at each bed head. (handheld type or fixed switch is optional)
2)One LED display for nurse station (can show 2, 3 or4 digitals)
Above system can realize the patient call nurse in nurse station. If you choose the GDH500 can zone management or department management.

B: Simple system two including:
1)one calling bell at each bed head (handheld type or fixed switch is optional)
2)one watch pager for each nurse or doctors
3)one relay station for whole system.
Above system can realize that the patient can call the nurse or doctors who even if they are not in the nurse station.

C: Complex system including:
1) One calling bell at each bed head. (GDT06W, GDT07W or GDT08W)
2) One set of Display Unit in the corridor. (GDH100, GDH400 or GDH500 )
3) One Main Units for pager (GDH300)
4) One pager for each nurse (GDM200)
5) Software for attendance management
6) one dispatch device for leader. (GDT-JP)
Total amount will depend on the size of your hospital and the number of nurse, beds, doctor.

Above system can realize:
1)the patient call nurse in nurse station or other wherever in hospital
2)the leader point somneone to serve certain bed.
3)Zone management or department management.