FeaturesWireless Call BellSend call signals without wiresCompatible with all main unitsWork with GDH100, GDH400, GDH500, GDH300Long Life of BatteryOne year 50 calls in a dayBenefitsEasy to be placed on the tableSomeone who needs to be serviced could press the button to get attendantMaintenance FreeEnhanced designed for durabilityBuilt in AntennaSingle circuit designUsabilityMulti-colored
SpecificationsPhysical Dimension 67(D)*28(H) (mm)Weight 36.5g (With battery)Control Single call buttonOutput Power 10mWFrequency Band 315MHzModulations ASK (AM)Transmission Range 300m free fieldPower Supply 23A 12-volt battery (inner)Battery life 1 year (50 calls in a day)Operating RangTemperature Rang:-10 c to 50 C for 1 hourHumidity Range: 95% relativehumidity for 4 hours
pager call system