Check the listing for details. Photonetics 3613CWL19045 1574.13nm DFB Diode Source OPT P13 -LAB TESTED-. Condition: Used. Listed at 225.00 USD. Low amounts of power loss, wavelength is very accurate. Power stable. If you need the performance figures for this unit we can pull it and give you those numbers. If you are looking for mainframes for this unit or other plugins of different wavelengths we have those in stock as well, check our store. Don't hesitate to reach out with offers. The more you are willing to buy the larger your discount. View our store for more bargains on used test equipment Payment accepted via PayPal. Expedited shipping available on request.Local pickup available on request, even if it is not listed in the ad.I will attempt to answer all questions.I will consider all offers.We are able to provide competitively priced calibration on many of our items upon request.Thanks for looking! Let us help you save money!:Not satisfied with the shipping estimate?Contact me before paying to get the best price on domestic and international shipping.I can do this quickly, and re-invoice you for the total amount. Custom-CalTest Equipment SalesTest Equipment CalibrationTest Equipment RepairCustom Fit for Your Business - Competitive pricing, superior value on test equipment calibration, repair, and sales- Custom-Cal's Buyer Assurance mediates the risk associated with buying and selling used test equipment- We utilize only selected vendors to lower turnaround time and lower your overall cost- When repair is uneconomical, we assist you in sourcing and selecting viable replacement options- We minimize downtime with our warranties and service contracts- We guarantee that your instruments are within OEM specifications Custom Calibration Solutions, LLC, an ISO registered company, meets your business goals by striking the optimum balance between quality objectives and cost. We have also received our ISO/IEC 17025 accreditation through ACLASS to meet the growing calibration requirements of customers. Custom-Cal can optimize your test equipment calibration program through the use of our customized procedures and integrated processes. Our test equipment repair services can save forty percent or more compared to Original Equipment Manufacturer (OEM) flat rates.Custom-Cal is a veteran-owned business founded by Randy Yousey. With thirty years of experience in test equipment calibration and repair, Randy leads a diverse team of engineers with top industry experience. The pros at Custom-Cal cut their teeth at cutting edge companies like JDSU, Lucent, and Lockheed. Trust Custom-Cal for all of your instrument needs.