AddOn gets you the connectivity you need to gain an edge over your competitors.
Without the resources of a large organization, small-to-medium-businesses (SMBs) need a hassle-free, single supplier with a deep product catalog. With AddOn, SMBs can scale their networks and their business with confidence. We offer cost-effective, compatible upgrades to existing networks with a 99.98% reliability rating, full OEM compatibility, lifetime warranty, and 24/7 expert engineering support.

Top 5 SFP+ Transceivers to Buy in 2021
Discover our picks for the best SFP+ transceivers you can buy for your network this year.

VHT spec transceivers achieve stable long reach connections even up to 95°C
Very high temperature (VHT) SFP+ 80km optics keep your transport network optimized in any environment.

Fiber Optics Demystified: How To Choose a Transceiver Guide
With our expert guide, you can easily maximize network performance while optimizing your expenses.

25G Ethernet Overhauling 40G Ethernet
25G Ethernet is surpassing 40G Ethernet as the go-to solution for quicker and more efficient networks.

10G/25G Dual Rate SFP28 Transceiver Overview
The SFP28 10G/25G Dual Rate SR transceiver is a cost effective way to upgrade your network.

Optic Impairments & Coherent Technology: What You Need to Know
Coherent optic impairments are the limitations of light transmission through an optical fiber cable which become more acute when distances and data rates increase.