Juniper QDD-2X100G-1M dual-port 100GbE transceiver module delivers two independent 100GBase-CWDM4 channels over a single-mode fiber connection with 1-meter duplex CS connectors. This QSFP28-DD form factor module supports 100 Gbps per port with coarse wavelength-division multiplexing technology, enabling high-density optical connectivity in enterprise and datacenter switching environments. Compatible with Juniper QFX and MX series platforms requiring dense 100GE uplink capacity. Typical deployments include campus backbone aggregation, datacenter east-west traffic, and carrier-grade network expansion. Refurbished unit tested and guaranteed to manufacturer specifications; available via quote.