Yealink VCM38 Administrator's Guide

| Configuring the Security Features | 241
• WellsSecure Public Root Certificate Authority
• GeoTrust Global CA
• Visa eCommerce Root
• QuoVadis Root CA 2
• E-Tugra Certification Authority
• Hongkong Post Root CA 1
• Security Communication RootCA1
• Trustis FPS Root CA
• Yealink Server CA
• Baltimore CyberTrust Root
• Swisscom Root CA 1
• KISA RootCA 1
• Entrust Root Certification Authority
• TC TrustCenter Class 2 CA II
• TC TrustCenter Class 3 CA II
• TC TrustCenter Universal CA I
• TC TrustCenter Class 4 CA II
• RSA Security 2048 V3
• CNNIC ROOT
• Certum CA
• Certigna
• NetLock Arany (Class Gold)
Főtanúsítvány
• GlobalSign Root CA
• ACEDICOM Root
• Class 1 Public Primary Certification Authority
• Class 3 Public Primary Certification Authority - G2
• Class 1 Public Primary Certification Authority - G2
• Class 2 Public Primary Certification Authority - G2
• Class 4 Public Primary Certification Authority - G2
• Class 3 Public Primary Certification Authority
• Certinomis - Autorité Racine
• D-TRUST Root Class 3 CA 2 2009
• D-TRUST Root Class 3 CA 2 EV 2009
• Microsec e-Szigno Root CA 2009
• Certum Trusted Network CA
• Secure Certificate Services
• Trusted Certificate Services
• AAA Certificate Services
• COMODO RSA Certification Authority
• ComSign Secured CA
• GlobalSign Root CA - R3
• GeoTrust Universal CA 2
• GeoTrust Universal CA
• SecureSign RootCA11
• Security Communication RootCA2
• Entrust.net Certification Authority (2048)
• EE Certification Centre Root CA
• Autoridad de Certificacion Firmaprofesional CIF A62634068
• ES
• AffirmTrust Commercial

Yealink VCM38 Specifications

General

Type	Conference microphone
Noise reduction	Yes
Microphone frequency	100 - 16000 Hz
Microphone sensitivity	-45 dB
Microphone pick-up range	6 m
Number of microphone arrays	8
Maximum sound pressure level (1kHz)	100 dB
Device interface	RJ-45
Connectivity technology	Wired
Maximum operating distance	40 m
Mounting type	Ceiling
Product color	Silver
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	5 - 90 %
Number of products included	1 pc(s)
Harmonized System (HS) code	85181000
Power source	DC/PoE
Sustainability certificates	CE, Federal Communications Commission (FCC), REACH, RoHS

Weight and Dimensions

Width	127.3 mm
Height	66.3 mm