5G Fronthaul Network in China

In China, there are 3 kinds of 5G Fronthaul Network based on CWDM MWDM LWDM filter technology.



CWDM 6CH 1271-1371nm or 12CH 1271-1371 and 1471-1571nm, or 18CH 
MWDM 12CH 1267.5-1374.5 nm
LWDM (DWDM 800GHz) 6CH

CWDM  6CH or 12CH		MWDM 12CH				COT/RT 100G/800G O band
1271	1271	1271-3.5	1267.5	Channel 1	DML+PIN+TEC	1286.66	L1	1269.23
	1291	1271+3.5	1274.5	Channel 2			L2	1273.54
1291	1311	1291-3.5	1287.5	Channel 3		1291.1	L3	1277.89
	1331	1291+3.5	1294.5	Channel 4			L4	1282.26
1311	1351	1311-3.5	1307.5	Channel 5		1295.56	L5	1286.66
	1371	1311+3.5	1314.5	Channel 6			L6	1291.1
1331	1471	1331-3.5	1327.5	Channel 7		1300.05	L7	1295.56
	1491	1331+3.5	1334.5	Channel 8			L8	1300.05
1351	1511	1351-3.5	1347.5	Channel 9	DML+APD+TEC	1304.58	L9	1304.58
	1531	1351+3.5	1354.5	Channel 10			L10	1309.14
1371	1551	1371-3.5	1367.5	Channel 11		1309.14	L11	1313.73
	1571	1371+3.5	1374.5	Channel 12			L15	1332.41