Goldland Electronics Co. Ltd. GL-208UMRF 用户手册

So when the voltage of the battery is insufficient, the alarming 

light on the keyboard will continous flashing, Suggest changing 

the batteries in time once the situation exits and using the two AA 

batteries with the same specification and not to mix in using old 

battery 

 

三. DC Characteristics

 

1.  Operating voltage:                    DC 3V 

2.  low power detection voltage:    DC 2.2V 

3.  Operating current:   1.2mA(type) 

4.  standby current:     40uA(type) 

5.  operating distance:      More than 1.5M 

6.  Operating frequency: 27.145MHz 

 

四．1.Weight: 598g 

2.Dimension: 

(L) 446mm x (W) 148mm x (H) 33 mm 

 

changes or modifications not expressly approved by the 

party responsible for compliance could void the user's authority 
to operate the equipment