Naming conventions:
Product_type_h/wRevision_s/wRevision_ValidArea_language_datecode.extension
Product_Howto_language_ Theme-with-description.extension 


DWM-157_fw_revb_203eu_Win_multi_20151014.zip		Firmware/Software-Upgrade für EU für Rev.B
							Firmware/Software-Upgrade for EU for Rev.B

DWM-157_fw_revc_312eu_win_multi_20200302.zip		Firmware/Software-Upgrade für EU für Rev.C
							Firmware/Software-Upgrade for EU for Rev.C