<ul><li>Feature: SFP Bidi Transceiver date rate 1.25Gb/s, Single LC connector.</li><li>Wavelength: Up: TX1310nm/RX1490nm; Down: TX1490nm/RX1310nm.</li><li>Compatible with: Cisco MGBBX1D, WDM SFP moudle 1000BASE-BX-U and 1000BASE-BX-D Bidirectional SFP Optic, up to 20km.</li><li>Widely use for: Cisco,Ubiquiti, Mikrotik, D-Link, Supermicro, Netgear. Meet the coding requirements for various brands of switches and routers.</li><li>Aftersales terms: Each transceiver is individually tested before delivery. High Quality with CE, FCC, 30 days free return, 3 year warranty.</li></ul> Date Rate:1.25G Wavelength(nm):Tx1490/Rx1310 Source:DFB+PIN Temperature Range:0~+70 Connector:LC TX Power(dBm):-9~-3 RX Sens(dBm):-23 DDM:with Reach:20km

QSFPTEK 1.25g BIDI SFP Module, 1000BASE-BX-D BIDI WDM Transceiver, Tx1490 / Rx1310nm DDM LC WDM Transceiver Optical Fiber Transceiver for Cisco Cisco GLC-BX-20U, Cisco GLC-BX-20D, up to 20km - 10pair