Type

Standard

Wavelength flattened

Broadband

Center wavelength (nm)

1310 or 1550

1310 or 1550

1310 and 1550

Bandwidth (nm)

±20

±40

±40

Star structure

4×4

8×8

16×16

4×4

8×8

16×16

4×4

8×8

16×16

Tree structure

1×4

1×8

1×16

1×4

1×8

1×16

1×4

1×8

1×16

Typical insertion loss

6.3

9.4

12.6

6.3

9.4

12.6

6.3

9.4

12.6

Maximum Insertion (dB)

7.1

10.6

14.3

7.6

11.5

14.5

7.7

11.7

15.5

Uniformity(dB)

0.7

1.0

1.3

1.5

2.2

3.0

1.9

2.8

3.7

Minimum directivity

>60 dB

Operating temperature

-40~+75 ℃

Storage temperature

-40~+85 ℃

Industry standard

Telcordia GR-1221-CORE