# Cable detector NOYAFA NF-859GT POE tester and optical power tester for network cables

**URL:** https://aio.lv/en/product--noyafa-nf-859gt--10896403
**Data updated:** 2026-02-13 15:40 (EET)
**Category:** Network Tools
**Manufacturer:** NOYAFA
**Manufacturer code:** NF-859GT
**EAN:** 310000186998
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 180.00 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 148.76 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--noyafa-nf-859gt--10896403

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 26.06.2026 | free |
| Pickup points | 01.07.2026 | 1.99 EUR |
| Courier delivery to door | 01.07.2026 | 4.99 EUR |

## Summary description

Portable cable detector NOYAFA NF-859GT that combines POE testing and optical power measurement for network cables. Designed for installation and maintenance of Ethernet and fiber links, it helps identify POE status and measure optical signal power. Suitable for technicians and installers to verify cable functionality, detect faults and confirm signal levels during commissioning or troubleshooting.

## Long description

The NOYAFA NF-859GT cable detector combines Power over Ethernet (POE) testing and optical power measurement in a compact portable instrument designed for installation and maintenance of Ethernet and fiber links. The device provides clear POE status detection and optical signal level readings, enabling technicians to verify cable functionality, locate faults, and confirm signal levels during commissioning or troubleshooting of network infrastructure.
Advantages
The NF-859GT integrates POE detection and optical power testing in a single handheld unit, reducing the need to carry multiple tools. Its portable design and straightforward readouts support rapid site checks and field diagnostics. The tester delivers consistent optical power measurements and identifies POE presence and class, helping to isolate power-related issues without requiring powered network equipment. The user interface and measurement range are tailored to common Ethernet and fiber maintenance tasks, ensuring clear and reliable results for routine verification.
Suitable for
 Installation and commissioning of Ethernet networks with POE devices
 Troubleshooting POE power delivery on network links
 Field verification of fiber link optical power levels
 Routine maintenance and quick onsite diagnostics for network technicians
Key specifications
 Functions: POE detection and optical power measurement for network cables
 Form factor: Portable handheld tester suitable for field use
 Display: Readable measurement display for POE status and optical power
 Measurement capability: Detects presence of POE and measures optical signal power within the device's calibrated range
 Connectivity: Interfaces for copper Ethernet and fiber optic link testing (appropriate ports provided on the unit)
 Power: Battery-powered operation for onsite testing
How to use
Connect the tester to the network cable or fiber under test using the appropriate port. For POE checks, attach the device to the Ethernet link and observe the display to determine whether POE is present and which power class is detected. For optical power measurement, connect the fiber end to the optical input and read the power level on the display. Follow standard safety practices when working with live networks and fiber optics; avoid looking directly into active optical outputs and ensure connectors are clean before measurement.
Usage recommendations
Use the NOYAFA NF-859GT as a first-step diagnostic tool for verifying POE availability and measuring optical power during installation and maintenance. Calibrate and verify measurement accuracy periodically according to site quality procedures, keep connectors clean to ensure reliable optical readings, and carry spare batteries to maintain field readiness.

## FAQ

### How much does the NOYAFA NF-859GT cable POE & optical power tester cost, and is it available for purchase?

The price is 180.00 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 26.06.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can NOYAFA NF-859GT cable POE & optical power tester be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 NOYAFA 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 NOYAFA 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/10896403/60357547_large.webp