... ) One Main Units for pager (GDH300)5) One pager for each nurse (GDM200)6) Software for attendance management7) one dispatch device for leader. (GDT-JP ... no coming call, and 12/24 hour mode switch.7, Easy installation, simple operation, and self-test.8, It could be ... or hung on the wall.SpecificationFrequency 315MHzModulation ASK(AM)Display device LED Screen, 4 inch, can display 4 digitsAntenna Type ...