--- product_id: 107418086 title: "TLS-25M Mini Optical Light Source SM 1310/1550nm" brand: "orientek" price: "€ 102.55" currency: EUR in_stock: true category: "Orientek" url: https://www.desertcart.pt/products/107418086-tls-25m-mini-optical-light-source-sm-1310-1550nm store_origin: PT region: Portugal --- # Dual wavelength 1310/1550nm Output power -5dBm for reliable signal Universal SC 2.5mm connector (LC optional) TLS-25M Mini Optical Light Source SM 1310/1550nm **Brand:** orientek **Price:** € 102.55 **Availability:** ✅ In Stock ## Summary > 🔦 Light up your fiber testing game with precision and power! ## Quick Answers - **What is this?** TLS-25M Mini Optical Light Source SM 1310/1550nm by orientek - **How much does it cost?** € 102.55 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/107418086-tls-25m-mini-optical-light-source-sm-1310-1550nm) ## Best For - orientek enthusiasts ## Why This Product - Trusted orientek brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Integration:** Pairs perfectly with popular tools like the Orientek TFI-40 wand for enhanced testing efficiency. - • **Universal Connectivity:** Equipped with SC 2.5mm connector and optional LC 1.25mm for broad compatibility. - • **Compact & Durable Design:** Lightweight and rugged, built to keep up with your fast-paced fieldwork. - • **Consistent Signal Output:** Delivers a stable -5dBm output power ensuring accurate diagnostics every time. - • **Precision Dual-Wavelength Performance:** Seamlessly switch between 1310nm and 1550nm for versatile fiber testing. ## Overview The Orientek T15M Optical Light Source is a compact, battery-powered device designed for fiber optic testing, offering dual wavelengths at 1310nm and 1550nm with a reliable -5dBm output. Featuring a universal SC connector with an optional LC adapter, it ensures broad compatibility and pairs seamlessly with other fiber optic tools, making it an essential, budget-friendly choice for professionals seeking accurate and efficient field diagnostics. ## Description Orientek TLS-25M Mini Optical Light Source SM 1310/1550nm | Mini Fiber Optic Stable Light Source; Mini Handheld Optical Light Source; 2.5mm Universal Connector; Fiber Tester: desertcart.com: Industrial & Scientific ## Features - Multi‑wavelength Output Options: Supports PON 1310/1490/1550nm, Single‑Mode 1310/1550nm, Multi‑Mode 850/1300nm; typical output power ≥‑5dBm, CW /270Hz/1KHz/2KHz modulation frequencies for fiber‑link insertion‑loss measurement. - Pocket‑sized Rugged Field‑tool Design: Compact handheld mini size; 2‑meter drop‑resistance protection, detachable silicone protective sleeve, water‑resistant keys; suitable for complex outdoor construction environments. - Backlit LCD display plus built‑in LED for dark‑site operation; low‑battery reminder and auto‑power‑off function; plug‑and‑play, one‑key wavelength switching for fast field testing. - Wide Compatibility of Optical Connector: SC+ 2.5mm universal (1.25mm for LC is Optional); meets most FTTx, telecom, CATV fiber‑test requirements - Long Standby Powered by AAA Battery: Powered by 2×AAA alkaline batteries (batteries not included in package need you buy); widely applied in FTTx deployment, fiber‑cable maintenance, network acceptance test, cooperating with optical power meter to complete link loss testing. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07LBMV72B | | Best Sellers Rank | #368,266 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #554 in Multi Testers | | Brand Name | ORIENTEK | | Color | blue and black | | Compatible Devices | Fiber optic cables, connectors, OTDRs, fiber optic splicers, other testing devices in the field of fiber optics | | Customer Reviews | 3.9 3.9 out of 5 stars (21) | | Item Highlight | Mini Fiber Optic Stable Light Source; Mini Handheld Optical Light Source; 2.5mm Universal Connector; Fiber Tester | | Item Weight | 0.27 g | | Manufacturer | Nanjing Orientek Optical Communication Limited | | Measurement Type | Optical Power Meter | | Model | TPM-25 | | Number of Items | 1 | | Part Number | TPM-25 | | Power Source | Battery Powered | | Style Name | T15M Light Source | | Unit Count | 1 Count | ## Product Details - **Brand:** ORIENTEK - **Color:** blue and black - **Item Weight:** 0.27 g - **Power Source:** Battery Powered - **Style:** T15M Light Source ## Images ![TLS-25M Mini Optical Light Source SM 1310/1550nm - Image 1](https://m.media-amazon.com/images/I/51ihY-ylGvL.jpg) ![TLS-25M Mini Optical Light Source SM 1310/1550nm - Image 2](https://m.media-amazon.com/images/I/41eSMWu+3JL.jpg) ![TLS-25M Mini Optical Light Source SM 1310/1550nm - Image 3](https://m.media-amazon.com/images/I/51+iFIsxRTL.jpg) ![TLS-25M Mini Optical Light Source SM 1310/1550nm - Image 4](https://m.media-amazon.com/images/I/51v-BBr1HVL.jpg) ![TLS-25M Mini Optical Light Source SM 1310/1550nm - Image 5](https://m.media-amazon.com/images/I/51oBiXZvRaL.jpg) ## Available Options This product comes in different **Style** options. ## Frequently Bought Together - Orientek T15M Optical Light Source SM 1310/1550nm Mini Fiber Optic Power Meter Fiber Optic Light Source - ORIENTEK TFI-40 Optical Fiber Identifier All-in-one Chuck Live with 10mw VFL 800nm-1700nm Fiber Detector Traffic Identifier OFI - Jonard Tools JIC-375 Three Hole Fiber Optic Stripper with TPR Handle, 6" Length, Оne Расk --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/107418086-tls-25m-mini-optical-light-source-sm-1310-1550nm](https://www.desertcart.pt/products/107418086-tls-25m-mini-optical-light-source-sm-1310-1550nm) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-10-23*