# Video transformer TR-4M by No name — model TR-4M

**URL:** https://aio.lv/en/product--no-name-tr-4m--11943858
**Data updated:** 2026-03-10 11:49 (EET)
**Category:** CCTV Accessories
**Manufacturer:** No name
**Manufacturer code:** TR-4M
**EAN:** 5902887011368
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 17.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 14.45 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--no-name-tr-4m--11943858

## 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 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

TR-4M is a video transformer (model TR-4M) from No name designed to transmit and isolate analog video signals. It provides galvanic isolation and impedance matching for CCTV and video monitoring systems, helping reduce interference and ground loops. Suitable for use in surveillance installations, signal distribution and long cable runs where signal integrity is required.

## Long description

TR-4M by No name is a compact video transformer designed to transmit and isolate analog video signals in CCTV and video monitoring systems. The TR-4M provides galvanic isolation and impedance matching to reduce interference and prevent ground loops on long cable runs or when connecting equipment with different grounding potentials. It is intended for installations where maintaining signal integrity over coaxial or twisted-pair cabling is important.
Advantages
The TR-4M offers galvanic isolation that helps eliminate hum and ground loop noise without affecting signal amplitude. Its impedance matching reduces reflections and signal loss across connections between cameras, recorders, and distribution equipment. The device is compact and simple to integrate into existing systems, supporting reliable transmission over extended cable lengths and improving overall video signal quality in analog surveillance setups.
Suitable for
Analog CCTV camera installations
Video signal distribution between camera and recorder
Long coaxial or balanced cable runs
Ground loop and interference mitigation in monitoring systems
Key specifications
Function: video signal isolation and impedance matching
Signal type: analog composite video
Primary benefit: galvanic isolation to prevent ground loops
Mounting: inline or within junction boxes in surveillance wiring
Compatibility: typical CCTV camera and recorder video interfaces
How to use
Install the TR-4M inline on the video feed between the camera and receiving device, making sure input and output connections correspond to the camera output and the recorder or monitor input. Use appropriate coaxial connectors or balanced twisted-pair wiring adapters as required by the installation. Verify correct orientation and secure physical mounting to prevent strain on cable connections. After installation, check video signal for proper levels and absence of ground loop hum or interference.
Usage recommendations
For best results, use the TR-4M in locations where cable runs are long or where equipment is powered from different circuits. Combine with appropriate shielding, grounding practices, and quality cabling to maximize interference reduction and maintain consistent video quality.

## FAQ

### How much does the Video transformer TR-4M — No name cost, and is it available for purchase?

The price is 17.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 No name 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 No name 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

## Image

https://aio.lv/img/cache/product/11943858/67386703_large.webp