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CCTV & Securities, CCTV Accessories
Dahua DH-PFM800B-4K 1-CH Passive Video Balun
Availability:
Domestic or Local Stocks via Bermor Techzone
The PFM800B-4K is designed to video signal transmission via twisted-pair cable. The device adapts the impedance of coaxial cable 75Ω to the impedance of symmetrical line, ensuring transmission of video signal up to 400m (twisted-pair cable category 5) and eliminates asymmetric interferences.
It is important to pay attention to linking the adequate terminals: (+) and (-). Reverse connection would cause distortion of image.
₱475.00
Domestic or Local Stocks via Bermor Techzone
| Standard | AHD – 5 Mpx, HD-CVI – 8 Mpx 4K UHD, HD-TVI – 5 Mpx, CVBS – PAL, NTSC |
| Device Type | Passive |
| Number of Channels | 1 |
| Video Transmission Range | 400 m (max) @ 720p – UTP cat. 5e, 250 m (max) @ 1080p – UTP cat. 5e, 180 m (max) @ 4K UHD – UTP cat. 5e, 400 m @ CVBS – PAL / NTSC – UTP cat. 5e |
| Attenuation | 4.43 MHz @ 3.33 dB, 11 MHz @ 3.42 dB, 21 MHz @ 3.73 dB, 38 MHz @ 4.48 dB, 42 MHz @ 4.67 dB, 67.5 MHz @ 5.73 dB (applies to two devices connected to each other) |
| CMRR (dB @ 5MHz) | > 60 dB |
| Coaxial Socket Impedance | 75 Ω |
| Symmetrical Socket Impedance | 100 Ω |
| Coaxial Socket Type | BNC – Plug with cable / Plug |
| Symmetrical Socket Type | Spring terminals |
| Operating Temperature | -30 °C … 70 °C |
| Permissible Relative Humidity | < 95 % |
| Weight | 0.02 kg |
| Dimensions | 49 x 19.5 x 20 mm, 39 x 19.5 x 20 mm |
| Manufacturer / Brand | DAHUA |
| Guarantee | 3 years |
| Brands |
|---|
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