- Unidirectional dynamic microphone with built-in electronic chime unit.
- Generates 2 series of 4 notes – from low to high – before an announcement and vice versa afterwards.
- 2 push buttons for easy operation.
Specification Power Requirements 3V DC (SUM-2 x 2 pcs) Current Consumption 2mA in an operation of mic and chime 10μ in no operation. Chime Unit Series of 4 notes / Frequencies; 442, 553, 660 and 883Hz Microphone Unidirectional dynamic type. Output Chime Signal; -45dBv max. 600 Ω (unbalanced) at 1kHz, 0dB=1V/pa (phone jack) Colour Metallic Gold (Stand BAse) Weight 0.77kg Dimensions (W x H x D) 112 x 293 x 150mm Weight 465g Accessory 2m Cable with phone to phone plug