Arris DT4250N-50-00, Digital Return Transceiver, Dual RF InputsCondition:* Used, Removed From Service In Working Condition.* Appears To Be In Overall Very Good Condition. Unable To Test.* As Pictured.Additional Notes:* Operates in 3 RF Bandwidth Ranges: 550 MHz, 575 MHz, or 5100 MHz, (Firmware Selectable)* Single Channel 1fer or Dual Channel 2fer Links (User Selectable, Front Panel Button)* Optical Transmission at 1310 nm, 1550 nm, 1 of 15 CWDM Wavelengths, or 1 of 40 DWDM Wavelengths* Concatenated or Point To Point Applications* Remote Status Monitoring* Hot PlugIn/Out* Fully Compatible With Existing Digital Return Platform* Designed For NC2000, NC4000, And VHSeries VHub Platforms* Dimensions (LxHxW): 4.0″ x 1.8″ x 2.3″ArrisDT4250N-50-00