RETEKISS TD121 Անլար զանգի ընդունիչի Օգտագործողի ձեռնարկ
RETEKISS TD121 Wireless Calling Receiver Specification Parameter Introduction Specification 24/60 ports Operation frequency 433.92MHz Display LED tube Button SETUP, UP, DOWN, ENTER, CLEAR Volume Adjustable Digital-control for 10 levels Operation conditions Environmental temperature:…