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    Astrotel DVR-W4i — 4-Channel Wireless/Wired DVR System Specifications

    September 08, 2026 2 min read

    Specification sheet for the Astrotel DVR-W4i, a 4-channel wireless/wired-compatible DVR system with Internet remote access.

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    Full text manual (for reference)

    Specification sheet for the Astrotel DVR-W4i — a 4-channel wireless/wired-compatible digital video recorder system with Internet remote access capability.

    Overview

    The DVR-W4i is a 4-channel DVR that accepts both wireless (2.4GHz) and wired camera inputs. It records high-quality color video at up to 30fps in quad mode, with continuous, motion-detection, sensor-activated, or time-scheduled recording. It offers up to 30 days of recording on a 120GB hard drive at 7fps, and supports remote access via a built-in web server.

    Included Accessories

    • Switching-mode power supply for the receiver
    • 1 x 2.4GHz antenna
    • 1 x USB cable and USB driver CD
    • 1 x BNC-to-BNC cable and 1 x BNC-to-RCA adaptor
    • 1 x remote controller
    • 4 x camera system

    Features

    • 4-channel wireless and wired compatible system
    • High-quality color video at 30fps recording/playback in quad mode
    • Recording modes: continuous, motion detection, sensor activated, time schedule
    • Recording time up to 30 days with a 120GB HD @ 7fps
    • Display resolution: NTSC 720x480, PAL 720x576
    • Built-in removable HDD rack
    • Real-time video signal recording and compression
    • Remote control and manual operation
    • 4 wireless or 4 wired video inputs; wireless and wired video via AV/RF (optional)
    • Cameras include IR LEDs for night vision
    • Internet/remote access capable via web browser

    Full Specifications

    Frequency 2.4 – 2.4835 GHz
    Receive Sensitivity -80dBm
    Cable Input Port Type BNC
    Antenna Input Port Type SMA jack
    Recording Mode Continuous, motion detection, sensor activated, time schedule
    Video Input/Output Format Input: NTSC/PAL 4CH BNC (composite); Output: NTSC/PAL 2CH BNC (composite)
    Display Frame PAL: 100fps; NTSC: 120fps
    Recording Frame Rate Quad mode: PAL max 24fps, NTSC max 30fps; Each mode: PAL max 6.25fps, NTSC max 7.5fps
    HDD Over 200GB, ATA-100 interface
    Recording Time 30 days with 40GB @ 7fps; 70 days with 40GB @ 1fps
    Sensors Alarm 4 input, 1 output
    Network RJ45 / 10/100 Mbps, built-in web server, DHCP client
    Image Compression Modified MJPEG
    Local Frame Rate 30fps @ QCIF; 15fps @ CIF; 10fps @ VGA (depends on ActiveX version)
    Remote End Frame Rate 1–7fps @ CIF; 1–3fps @ VGA
    Multi-user Login Up to 5 sessions
    USB Port for Playback USB 2.0
    PTZ Control RS-485 interface
    Max. Transmit Power 0dBm/FCC; 10dBm/CE
    Image Sensor 1/4" color CCD
    Min. Illumination 0 Lux (IR LEDs ON)
    Resolution 420 TV lines / FULL, CIF, QCIF
    Picture Element PAL: 582(H) x 512(V); NTSC: 512(H) x 492(V)
    Power Supply Camera: 12VDC/500mA; DVR: 100-240VAC / 12VDC 5A
    Operating Condition Camera: indoor & outdoor; DVR: indoor use recommended
    Operating Temperature -10°C to +60°C
    Dimensions Camera: 155mm x 75mm x 60mm; DVR: 400mm x 276mm x 69mm

    Manufacturer

    Astrotel Communications Corporation, 17906 Crusader Avenue, Cerritos, CA 90703, U.S.A.