Proxim/Wavespan Stratum 100 5GHz Microwave Link System. 100Mbps ENET and 2x T1/E1 interfaces, with 20km LOS range. 2ea. IDUs, 3ea. ODU-As. (The only problem is one needs an ODU-A on one end of the hop, and an ODU-B on the other!) Removed from a working environment, use for parts, or put those ODU-Bs to work. $1500 for the lot. The IDU has 100bt and MII interfaces for ENET, 2x RJ45 T1 interfaces, 2x RJ45 serials for console and aux, ST Multimode Fiberoptic and Power Terminal interfaces for ODU connection, IEC power input.