4 Channel HD Digital Video Recorder Provider in Bangladesh

The 4 Channel HD Digital Video Recorder (DVR) is a professional-grade security recording solution designed for homes, offices, retail outlets, and small commercial facilities in Bangladesh. Supporting up to four HD analog cameras, it delivers crystal-clear 1080p recording, smooth playback and flexible remote viewing through mobile and web apps.

Built with H.265 video compression, the DVR minimizes bandwidth and storage use while maintaining high-quality video output. It is compatible with AHD, TVI, CVI, and CVBS cameras, providing complete flexibility for both new and upgraded CCTV installations.

Leading suppliers such as Germany Computer & Telecom Ltd. (GCTL Security) provide reliable 4 Channel HD DVRs from trusted brands like Hikvision, Dahua, Uniview and VARITO, backed by local warranty, installation and after-sales support.

Benefits

High-Definition Surveillance: Records every detail in full HD 1080p resolution for accurate evidence and monitoring.
Multi-Brand Compatibility: Works with most analog HD and IP cameras, allowing flexible system upgrades.
Remote Access Anywhere: View live or recorded video from smartphone, tablet, or PC through mobile apps.
Smart Storage Efficiency: H.265 compression saves up to 50 % more space while maintaining image clarity.
Easy Installation: Plug-and-play configuration with HDMI and VGA outputs for any monitor.
Reliable Recording: 24/7 operation with motion-detection alerts and scheduled backup options.
Cost-Effective Solution: Ideal for small to medium businesses, retail stores, and residences needing affordable HD security.
Local Support: Available across Bangladesh with installation, technical service and warranty from GCTL Security.

Technical Specification :

Model		LDSR-04FDMA
Video	Input	IP-CAM: up to 2-CH 1080P and 2-CH 720P
	Input	Analog: up to 4-CH AHD 1080P
	Main monitor	HDMI, with resolution 1920x1080,VGA, with resolution 1920x1080,BNC,1Vp-p/75ohm
	Call monitor	BNC x 1, 1Vp-p/75ohm, Share with main monitor
	Loss detection	Yes
	Motion detection	Yes, with configurable detection area & sensitivity
	Privacy Mask	Yes
Audio	Input	2 RCA-jack connector, line-in level (100mV-1Vrms)
Audio	Output	HDMI, 1 RCA-jack connector, line-out level (
Record	Compression	IP-CAM: H.264 Analog: H.264 High Profile / ADPCM
	Max frame rate & Resolution	IP-CAM: 60fps@1080p, 120/100fps@720p, Analog: 40fps@1080P, 80fps@1080h/720P, 120/100fps@960H, Up to 20Mbps incoming bandwidth for IP-CAM
	Watermark	Yes
	Mode	Manual/Schedule/Alarm/Motion
	Pre-record time	0~10 seconds
	Post-record time	0~60 minutes
Display	Resolution	HDMI/VGA: 19201080, NTSC: 720480, PAL: 720*576
	Split windows	1~4
	Frame rate	Up to 30 (NTSC) / 25 (PAL) IPS per display window
	Digital Zoom	X2, X4
	Sequential switch	User adjustable
Playback	Max frame rate & Resolution	IP-CAM: 60fps@1080p, 120/100fps@720p, Analog: 40fps@1080P, 80fps@1080h/720P, 120/100fps@960H
	Search	Smart Search, Date/time, Camera, Alarm, Video Loss & Motion
	Operation	Play, Fast Forward, Backward, Pause, Stop, Snapshot, etc.
	Operation	Remote I.E. and HEM can also Print, Snapshot
Storage	HDD	1 set of 3.5” SATA HDD Failure detection supported Privacy law supported
	HDD Extension	X
	Partitions:	Configurable alarm partitions size, Configurable auto-overwrite or not
	Backup	2 USB 2.0 ports for USB disk drives, Self playback for backup files
	Backup	Self playback for backup files
Alarm	Input	4 contact or TTL/CMOS signal, polarity selectable
	Output	1 Normally Open or Normally Closed relay output
	Buzzer	Yes
	Triggered by	Sensor input, Video loss, & Motion
	Event log	Yes
Network	Ethernet	1 RJ-45 10/100BaseT Ethernet connector (Dual Video Streaming)
	USB 3G gongle	Yes
	Web	Remote setup, monitoring, backup & alarm notification, remote software upgrade, Support Win7, WinVista, WinXP and Win2000, 1 I.E/Firefox for multiple DVRs (64 windows)
	DDNS	Free DDNS Server
	E-mail/Push Alarm	Alarm notification to stationary or mobile devices
	Remote Station	PC, mobile phone, PDA or tablet PC
	Remote Users	Up to 8 users simultaneously
	FTP	Alarm video/audio file storage
	Audio	Bi-directional
	Bandwidth	TCP/IP type dynamic sliding window control
	Protocol	TCP/IP, HTTP, PPPoE, DHCP, DDNS, FTP, TSP
Control/POS/GPS	I/R	1 I/R remote controller for up to 4 hybrid DVRs with optional extension
	RS-232	X
	RS-485	2-pin for keyboard/PTZ control
Setup	Local	On screen setup via keypad, I/R remote controller, USB mouse, and/or RS-485 keyboard
	Remote	Setup & upload via Windows application software
	Multi-lingual	Yes
Reliability	System recovery	Auto power on after power loss recovery
	Watch Dog Timer	Yes
	Timer	Built-in real time clock
	Security	4 levels, up to 18 accounts protection with authentication key for remote access
Weights & Measures	Dimension & Weight	319 x 209 x 50mm, 2.0 KG( without HDD)
Power	Source	+12VDC
Power	Consumption	36W Max.
Operating Temperature		0^oC ~ +45^oC

VARITO 4 Channel HD DVR Provider in Bangladesh

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4 Channel HD Digital Video Recorder Provider in Bangladesh

Benefits

Technical Specification :