# Video balun Dahua Technology PFM800B-4K Wired Universal Black 17.4 cm

**URL:** https://aio.lv/en/product--dahua-dh-pfm800b-4k--11225997
**Data updated:** 2025-12-30 18:34 (EET)
**Category:** CCTV Accessories
**Manufacturer:** DAHUA
**Manufacturer code:** DH-PFM800B-4K
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.87 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 7.33 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dahua-dh-pfm800b-4k--11225997

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.89 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Dahua Technology PFM800B-4K is a wired video balun designed for universal placement. It features a compact size with a maximum length of 17.4 cm and a minimum length of 4.91 cm, making it versatile for various installations. The product is finished in black, ensuring it blends well in different environments. Ideal for transmitting video signals over long distances while maintaining quality.

## Long description

The Dahua Technology PFM800B-4K wired video balun enables real-time transmission of video signals over UTP CAT5E/6 cable. This compact, passive adapter requires no external power and is suitable for a range of analog and HD formats (HDCVI, TVI, AHD, CVBS). The unit is finished in black and designed for universal wired installations with a housing made of ABS plastic.
Advantages
The PFM800B-4K provides passive operation without a separate power supply and supports long-distance video transmission while offering anti-thunder, anti-static and anti-interference protection. It has a female BNC connector and pluggable screw terminal connections for easy wiring and compatibility with common CCTV formats.
Suitable for
Connecting analog and HD CCTV cameras (HDCVI/TVI/AHD/CVBS) to UTP CAT5E/6 cable
Long-distance video transmission over twisted-pair cabling
Retrofit or new wired surveillance installations requiring compact passive baluns
Key specifications
Model: Dahua PFM800B-4K (DH-PFM800B-4K)
Transmission medium: UTP CAT5E/6 cable
Compatibility: HDCVI, TVI, AHD, CVBS
Power: Passive (no external power required)
Connectors: Female BNC and pluggable screw terminal
Housing material: ABS (Acrylonitrile butadiene styrene)
Colour: Black
Length: minimum 4.91 cm, maximum 17.4 cm
How to use
Connect the camera video BNC output to the female BNC connector on the balun and terminate the other end to the pluggable screw terminals for connection to UTP CAT5E/6 cable. At the receiving end, use a compatible balun or appropriate interface to convert the twisted-pair signal back to BNC. No separate power supply is needed; ensure correct polarity on the screw terminals if applicable and make secure connections to maintain signal integrity.
Usage recommendations
Install the balun in dry, protected locations and route CAT5E/6 cable away from high-voltage or strong-interference sources. Use recommended cable types and good-quality connectors to preserve video quality over long distances.

## Specifications

| Feature | Value |
|---|---|
| Type | Video balun |
| Weight | 0.034 kg |
| Operating relative humidity (H-H) | 0 - 95 |
| Storage temperature (T-T) | -40 - 80 |
| Operating temperature (T-T) | -30 - 70 |
| Width | 19.5 mm |
| Depth | 21 mm |
| Connectivity technology | Wired |
| Product colour | Black |
| Impedance | 100 Ω |
| Maximum operating distance | 400 m |
| Placement supported | Universal |
| Easy to install | Yes |
| Housing material | Acrylonitrile butadiene styrene (ABS) |
| BNC video output | Yes |
| Length (max) | 173.8 mm |
| Length (min) | 49.1 mm |

## FAQ

### How much does the Video balun Dahua Technology PFM800B-4K cost, and is it available for purchase?

The price is 8.87 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 06.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All DAHUA products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized DAHUA service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### Where can I download the instructions for Video balun Dahua Technology PFM800B-4K?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/11225997/66800206_large.webp