BIDI SFP+ transceivers are designed for bi-directional 10G serial optical data communications by using 1330(1270) (1490nm) transmitter and 1270(1330) (1550nm) receiver.
10G BIDI SFP+
BIDI CWDM SFP+ special CWDM SFP+, TX and RX with the same wavelength. AT present available waves 1270-1330nm, if you need other waves, please, contact with us.