VIB-Ex 1 - Intrinsically safe GSM call alert

The Ex-GSM call indicator recognizes all incoming calls for mobile telephones on the broadcast bands of 900MHz and 1800 MHz used for digital mobile phones. Features Compatible with all Ex-mobile phones Indicates incoming calls discretly through flashing LED and/or vibration. Suitable for use with both D-network (GSM 900) and E-network (GSM 1800) mobile telephones. Ex-designation II 2 G EEx ia IIC T4 Type-examination certificate ZELM 03 ATEX 0148X