Check	Type	Installation	Feature	Image	Part No.	Directional	Dimensions (mm)			Sensitivity(dB)	Voltage (V)	Frequency (Hz)	S/N Ratio(dBA)
							dia.(Ø)/L	W	H
	Type MEMS ECM (Microphone)	Installation SMD Pin Contact Wire Wire (Waterproof) Terminal Hands-free Others	Feature Waterproof (IP57) Waterproof (IP67) Waterproof (IP6K9K) High SNR High Sensitivity Hi AOP (130dB SPL)			Directional Omnidirectional Unidirectional Noise Cancelling	Dimensions (mm)-Leight under 4 4+ 5+ 6+ 7+	Dimensions (mm)-Wide		Sensitivity (dB) under-40 -40+ -30+ -20+	Voltage (V) under 2 2+ 3+ 4+	Frequency under 10K 10K+ 15K+ 20K+	S/N Ratio(dBA) under 60 60+ 65+ 70+
	Type:ECM (Microphone)	Installation:Terminal	Feature:High SNR, High Sensitivity		KEIG4536TFL-NH	*Unidirectional	Dimensions (mm):9.70	*	*4.50	Sensitivity (V):-39~±3dB	Voltage (V):1.50	Frequency (Hz):100~20,000	S/N Ratio(dBA):60
	Type:ECM (Microphone)	Installation:Wire	Feature:High SNR, High Sensitivity		KEIG4537WBL-25L	*Unidirectional	Dimensions (mm):9.70	*	*4.50	Sensitivity (V):-37~±3dB	Voltage (V):2.50	Frequency (Hz):100 ~ 10,000	S/N Ratio(dBA):65
	Type:ECM (Microphone)	Installation:Terminal	Feature:High SNR, High Sensitivity		KEIG4537TFL-G02	*Unidirectional	Dimensions (mm):12.25	*	*5.95	Sensitivity (V):-37 ± 3dB	Voltage (V):1.50	Frequency (Hz):100~12,000	S/N Ratio(dBA):69
	Type:ECM (Microphone)	Installation:Terminal	Feature:High SNR, High Sensitivity		KEIG4537TFX-SN72	*Unidirectional	Dimensions (mm):9.70	*	*4.50	Sensitivity (V):-35 ± 3	Voltage (V):3.00	Frequency (Hz):100~12,000	S/N Ratio(dBA):72
	Type:ECM (Microphone)	Installation:Wire	Feature:High SNR, High Sensitivity		KEIG4537WBL-GC2S	*Unidirectional	Dimensions (mm):9.70	*	*5.50	Sensitivity (V):-37±3	Voltage (V):1.50	Frequency (Hz):100 ~ 12,000	S/N Ratio(dBA):69