All arived as requested and delivery was within a week.

Working perfect as MADI SFP:s in products from both Lawo and Riedel Mediornet TDM!

I've purchased a few and so far have zero problems with you guys and will probably continue to use you for these kinds of solutions.

These SFP\'s work as intended so far! Great price...

Though FX transceivers are considered older technology, FS carries them and they work perfectly. Thanks!

Sin errores de compatibilidad.
Perfectamente embalado y a tiempo.

Asistencia en compra buena y despacho rápido, el producto llego muy bien protegido y rápido considerando la distancia, totalmente recomendado.
Gracias David Zhang

I am surprised that the shipping time is so short and my sales representative is so kind, patient, and professional. The quality is very excellent too.

Everything with fs is excellent!!!! From order simplicity, presales and after sales support, to packaging compatibility and quality!

I received the Cisco GLC-FE-100FX optics on time, and they worked well with my Cisco switches. Also, courteous and professional service was proveided to me when I was looking for the Cisco optics. You will have me as a customer again, likely very soon.