รายละเอียด:
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