Camera CNB dome TDB21R-28(36)W

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Camera CNB dome TDB51R-28(36)W

CNB Dome Camera TDB21R-28(36)W is a high-quality dome camera manufactured by CNB (South Korea), used in CCTV surveillance systems.
It is a 2MP IP dome camera with infrared night vision, supporting LAN/PoE network, and available with 2.8mm or 3.6mm lenses.

Key Features

Supports video compression: H.265+, H.265, H.264, MJPEG
Integrated smart features (AI detection)
Optical WDR up to 120dB for excellent backlight handling
Infrared range up to 30 meters for night vision
2D / 3D DNR (Digital Noise Reduction)
Supports MicroSD card (up to 128GB as per actual specifications)
Built-in microphone for audio recording
Supports corridor mode (9:16 aspect ratio)
Wide operating temperature range: -30°C to 60°C
Wide voltage range: DC 12V ±25%
Supports PoE (IEEE 802.3af)
IK10 vandal-resistant design
IP67-rated for water and dust protection

TECHNICAL SPECIFICATIONS

TDB21R-28W			TDB21R-36W
Camera
Sensor	1/2.7", 2 megapixel, progressive scan CMOS
Lens	2.8mm@F2.0			3.6mm@F2.0
DORI Distance	Lens (mm)	Detect (m)	Observe (m)		Recognize (m)	Identify (m)
	2.8	42.0	16.8		8.4	4.2
	3.6	55.0	22.0		11.0	5.5
Angle of View (H)	112.9°			98.4°
Angle of View (V)	59.1°			51.5°
Angle of View (O)	121.2°			104.2°
Shutter	Auto/Manual, 1 ~ 1/100000s
Min. Illumination	Colour: 0.01 Lux (F2.0, AGC ON) 0 Lux with IR
Day/Night	IR-cut filter with auto switch (ICR)
Digital noise reduction	2D / 3D DNR
S/N	>52 dB
IR Range	Up to 30m (98ft) IR range
WDR	120dB
Video
Video Compression	H.265+, H.265, H.264, MJPEG
H.264 code profile	Baseline profile, Main profile, High profile
Frame Rate	Main Stream: 1080P (19201080)/Max 30fps, 720P (1280720)/Max 30fps Sub Stream: 720P (1280720)/Max 30fps, D1 (720576)/Max 30fps, 640360/Max 30fps, 2CIF(704288)/Max 30fps, CIF(352*288)/Max 30fps
HLC	Supported
BLC	Supported
ROI	Supported
Motion Detection	Up to 4 areas
OSD	Up to 4 OSDs
Privacy Mask	Up to 4 areas
Smart Function
Cross line, intrusion(based on human body detection), Motion detection, Ultra motion detection, Tampering alarm
Storage
Edge Storage	Micro SD, up to 128GB
Network Storage	ANR,NAS(NFS)
Interface
Network	10/100M Base-TX Ethernet
Network
Protocols	IPv4, IGMP, ICMP, ARP, TCP, UDP, DHCP, RTP, RTSP, RTCP, DNS, DDNS, NTP, FTP, UPnP, HTTP, HTTPS, SMTP, QoS, SSL, SNMP
Compatible Integration	ONVIF (Profile S, Profile G, Profile T), API
General
Power	DC 12V±25%, PoE (IEEE 802.3af)
	Power consumption: Max 5.0W
Dimensions (Ø x H)	Φ109 x 81mm (Ø4.3” x 3.2”)
Weight	0.36kg (0.79lb)
Working Environment	-30°C ~ 60°C (-22°F ~ 140°F), HumidLS��