coarse wavelength division multiplexer takes advantage of thin film coating technology. And the devices combine and separate the optical signal at different wavelength. 3C-LINK CWDM devices are mainly used in passive wavelength division multiplexing system module products, which can Mux, Demux or add-drop multiplexing different optical signals, meet the requirements of providing different rates of transmission channels transparent to the protocol on a single optical fiber, such as Ethernet, ATM, POS, SDH, etc., and are widely used in telecommunications, radio and television, enterprise network, campus network and other fields.
Based on TFF （thin film filter）
| Parameter | Specification | |
| Channel Wavelength (nm) | 1270 ~ 1610 or 1271~1611 | |
| Center wavelength Accuracy (nm) | ±0.5 | |
| Passband (nm) | ITU±6.5,7.0,7.5 | |
| Channel Passband (@-0.5dB bandwidth (nm) | >13 | |
| Pass Channel Insertion Loss (dB) | ≤0.6 | |
| Reflection Channel Insertion Loss (dB) | ≤0.4 | |
| Channel Ripple (dB) | <0.3 | |
| Isolation (dB) | Adjacent | >30 |
| Non-adjacent | >45 | |
| Polarization Dependent Loss (dB) | <0.1 | |
| Polarization Mode Dispersion | <0.1 | |
| Directivity (dB) | >50 | |
| Return Loss （dB） | >45 | |
| Maximum Power Handling (mW) | 300 | |
| Opterating Temperature (℃) | -20~+75 | |
| Storage Temperature (℃) | -40~85 | |
| Package dimension (mm) | Φ5.5x35 | |
* Excellent thermal stability
* Optical path epoxy free
* Telcordia and RoHS compliant
3CF-SFP+-SRP
3CPG-434S1OM-LX
3CW-QSFP28-23-LR& 3CW-QSFP28-32-LR
3C-56GB-CU1M
3CI-SFP0204G
3C-OTNS8600V OTN System
3C-ONTS8600I-OLS
3C-HDMI-M4K60-T10
3C-ONU-X100W
3C-XM100DG
3C-AD-SCU
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