Describe：
Laser Diode, 25Gbps MWDM DFB, 10km, Commercial Temperature
1267.5; 1274.5; 1287.5; 1294.5; 1307.5; 1314.5;
1327.5; 1334.5; 1347.5; 1354.5; 1367.5; 1374.5;