FS-HD4301VP Single-channel HD Video & Power Balun, RJ45→BNC, 12/24V

Introduction: FS-HD4301VP and its key features

FS-HD4301VP — Single-channel passive video & power balunis a compact, practical accessory designed to simplify CCTV installations that use analog HD camera formats. It allows installers to transmit real-time HD video together with 12 V or 24 V camera power over a single UTP cable (Cat5e/6), combining convenience, compatibility and basic surge protection in a small ABS housing (60.4 × 29 × 20.4 mm, ≈ 60 g).

Detailed description of specifications and benefits

The FS-HD4301VP is a passive device that pairs an RJ45 jack on the UTP side with a male BNC and 150 mm mini-coax pigtail on the coax side. It supports NTSC/PAL/SECAM and is compatible with the major analog high-definition surveillance formats: HD‑TVI, HD‑CVI, AHD and composite CVBS. Operating frequency is DC–42 MHz, which covers the bandwidth used by these formats.

One of the balun’s defining features is the ability to carry both video and camera power (12 V or 24 V, AC or DC) over a single Cat5e/6 UTP cable. That means installers can replace bulky Siamese cable runs or separate power runs with a single, widely available UTP cable, conserving conduit space, simplifying routing and reducing material and labour costs.

The FS-HD4301VP includes built-in transient voltage suppression (TVS) and wave/anti-static filtering to improve protection against surges and interference. The datasheet lists IEC61000-4-5 test values and typical rejection performance (around 60 dB common/differential rejection), which helps reduce noise and improves signal integrity over longer or electrically noisy runs. While the balun adds a level of protection, it is a passive accessory and not a substitute for certified mains isolation or full-featured surge arrestors where required by local regulation.

The balun comes in a compact ABS housing that is discreet and easy to mount near cameras or inside junction boxes. It operates over a broad temperature range (−20 °C to +70 °C) and can be stored between −40 °C and +150 °C, making it suitable for many indoor and sheltered outdoor applications. The device’s impedance mapping matches coax 75  unbalanced to UTP 100  balanced inputs/outputs.

• Model: FS-HD4301VP; Brand: Folksafe;
• Compatibility: HD‑TVI, HD‑CVI, AHD, CVBS; NTSC/PAL/SECAM
• Connectors: male BNC with 150 mm mini‑coax pigtail; RJ45 jack
• Power: supports 12 V / 24 V AC or DC over UTP (see datasheet for power-distance chart)
• Protection: built-in TVS / renewable solid-state surge protection; ~60 dB rejection
• Dimensions / weight: 60.4 × 29 × 20.4 mm; ≈ 60 g; housing ABS

Use cases and scenarios where the FS-HD4301VP excels

If you are upgrading an existing analog CCTV system or managing a hybrid site with a mix of modern HD analog cameras and legacy composite cameras, the FS-HD4301VP offers excellent flexibility. Its wide-format compatibility means you can standardise on a single accessory for different camera types, which simplifies spare-parts inventory and streamlines installations.

In sites where conduit space is limited or where pulling multiple conductors is difficult—such as multi-tenant buildings, retail fit-outs, or retrofitted offices—running a single Cat5e/6 for both video and power can dramatically reduce time and cost. The balun is also useful in long corridor or campus-style deployments where consolidating runs to a single cable per camera reduces clutter and simplifies documentation.

For low-to-medium budget projects that still require HD video, a passive balun solution remains one of the most economical choices. Compared to buying proprietary power distribution hardware or replacing analog cameras with IP units, using FS-HD4301VP baluns preserves investment in existing cameras while offering modern convenience.

The built-in TVS and filtering help installations near lighting, elevator shafts, or areas with significant electrical noise. While it won’t cure severe grounding issues, the balun’s rejection characteristics can reduce visible video artifacts and false alarms due to interference.

Comparisons with similar products on the market

Passive baluns like the FS-HD4301VP do not require local power and typically cost less than active baluns that provide amplification or signal equalisation. Active baluns may extend maximum video distances and improve signal performance over very long cable runs, but they add complexity, require power and are more expensive. For most standard installations under the manufacturer’s distance recommendations, the passive FS-HD4301VP provides a simpler, cost-effective approach.

IP cameras with PoE provide networked features, remote management and often better image analytics, but they require PoE switches or injectors and possibly more sophisticated network configuration. The FS-HD4301VP addresses a different need: keep analog HD camera systems (HD‑TVI/CVI/AHD) running and powered over UTP without replacing the camera or upgrading network infrastructure. In many cases this is faster and less costly than migrating to IP, especially if the camera ecosystem and VMS are already in place.

Using a single Cat5e/6 cable with a balun reduces weight, bulk and cost compared with traditional Siamese coax cable runs, and Cat5e/6 is ubiquitous and easier to pull through conduits. However, Siamese cable physically separates power and video conductors on the same run, which can simplify some power considerations. The FS-HD4301VP is a better choice where conduit space, cable cost and ease of routing are higher priorities.

• When you need a low-cost passive solution for mixed-format analog HD cameras.
• When you want to reduce cable runs and simplify installation without adding powered equipment at the camera end.
• When basic surge/transient protection and improved rejection are desirable but full site surge arrestors are managed separately.

Conclusion: why the FS-HD4301VP is a great choice

For projects that rely on analog HD camera formats and where simplicity, cost-efficiency and installation speed matter, the FS-HD4301VP Single-channel HD Video & Power Balun offers a compelling package. It combines single-cable video+power transmission, broad format compatibility (HD‑TVI/CVI/AHD/CVBS), convenient connectors (BNC pigtail and RJ45 jack), and built-in TVS surge filtering in a compact, installer-friendly form factor.

It is particularly well-suited to retrofits and mixed installations, constrained cable runs, and budget-aware deployments that need reliable HD video without the expense of replacing cameras or adding complex powered equipment. As with any passive accessory, careful planning around cable quality, camera current draw and distance limitations is essential—consult the manufacturer’s datasheet for the full power-distance chart and measured distance values.

In short, the FS-HD4301VP is a practical, economical tool for installers and integrators who want to reduce labour, limit material costs and retain flexibility across different HD analog camera systems while adding a measure of surge and interference protection. When used appropriately and installed by a qualified technician, it can simplify installations and help extend the useful life of existing camera fleets.