Micro thông báo có nhạc EC-100M

Specification	âm thanh thông báo
Power Requirements	3V DC (SUM-2 x 2 pcs)âm thanh thông báo
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	0.77kgâm thanh thông báo
Dimensions	(W x H x D) 112 x 293 x 150mm
Weight	465g
Accessory	2m Cable with phone to phone plugâam thanh cong cong âm thanh công cộng he thong am thanh cong cong hệ thống âm thanh công cộng