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Small black metal box with four BNC ports and RJ45 sockets, 120 by 83 by 32 mm

Bluecctv

Bluecctv BL-EV04AR 4CH active video receiver surveillance accessory

SKU CH-WM04-AQGZK

Four-channel active video receiver transmits surveillance signals over UTP cable with 60 dB common-mode rejection and 6 kV transient protection

  • Four-channel active receiver handles four camera feeds simultaneously
  • Frequency response up to 6 MHz preserves video detail
  • 60 dB common-mode rejection from 15 KHz to 6 MHz reduces interference
  • Transient protection rated at 6 KV per IEC 61000-4-5 guards against surges
  • Operates on 12 V DC drawing under 300 mA for low power use

4CH Active Video Receiver

The Bluecctv BL-EV04AR is a four-channel active video receiver designed for surveillance installations that run video over twisted-pair cabling. It accepts 24AWG UTP CAT5 or higher wire and converts the balanced signal back to a standard 75O BNC output for recording or display equipment.

Upgrade from passive baluns

Passive baluns rely on the camera’s own driver and lose clarity beyond short runs. This active unit provides 60dB common-mode and differential-mode rejection from 15KHz to 6MHz and transient protection rated at 6KV 10 x 700 us to IEC61000-4-5, making the jump worthwhile when cable lengths approach the 100O UTP loop-resistance limit or when interference is present.

Suits multi-camera UTP installs

Installers running up to four cameras over a single CAT5 backbone will appreciate the 12V DC input drawing under 300mA and the compact 120 x 83 x 32mm form factor. Buyers who need power-over-cable delivery, fibre conversion, or more than four channels should look at alternative distribution hardware.

How it compares

Measured against everything we stock in Camera Mounts & Add-Ons, at today’s prices. Recalculated every night.

Price $44.99
Pricier than about 67% of the 1,144 comparable items (median $24.99).

Specifications

Product
Brand nameBluecctv
Model nameBL-EV04AR

Questions about this item

What cable type and gauge does the BL-EV04AR require for each of its four channels?

Each channel uses 24AWG UTP CAT5 or higher cable with a DC loop resistance of 18 ohms per 100 metres and differential capacitance of 62pF per metre maximum.

How is the unit powered and what connector polarity should be checked during installation?

The receiver runs on 12V DC drawing under 300mA; verify the centre-positive barrel connector polarity before applying power to avoid damage.

What ongoing maintenance does the built-in transient protection need after a surge event?

The 6KV 10 x 700 us IEC61000-4-5 protection is non-resettable; inspect the unit and replace it if a surge exceeds the rated threshold.

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