DVA USB Manager v1.7.3.0 Release Notes:

 - added new AC26N_REV_1_2_1 firmware

 - added DVA_T8_MAIN_1_0_2. firmware

 - added DRK20M_1_0_1 firmware 

 - added PRE_MAIN_DVA_S1518_FW_2_7_6 firmware

 - added the S1518N management (firmware upgrade & telemetry download)

 - added the AC26N management (firmware upgrade)

 - added the DRK20M management (firmware upgrade)

DVA Network 1.2 Release Notes:

 - Upgraded RDNet engine to 2.0

 - New Eq. filters and options

 - Bug fixes and optimizations