Beijing Yueqi Science & Technology Co., Ltd. [China]

wireless nurse calling system is used in clinic or hospital for patient to call nurses when in emergency situation

Wireless nurse  calling system 

Specifications

1.Physical dimension: 85 x 85 x 18mm2.Weight: 30g (with battery)3.Control: single call button4.Output power: 20mW5.Frequency band: 315MHz6.Modulations: ASK (AM)7.Transmission range: 500m free field8.Power supply: 23A 12-volt battery (inner)9.Battery life:1 year (50 calls in a day)10.Operating range: temperature range: -10 to 50? for 1 hour11.Humidity range: 95% relative humidity for 4 hours

System 

wireless doctor calling system for nurse