SIMRAD SHIPMATE DS44 Dual Station f/ CX45 CA44 CE44 CP44 CR44 CA54 CE54 CP54SIMRAD SHIPMATE DS44 Dual Station In perfect working condition with full warranty. ****** The DS models are remote control units for all the main unites in the 44 54 series i. e. model numbers starting with the letters CA, CE, CP and CR. The units with the same model numbers are identical in size e. g. DS44 and CE44, so the same installation guides can be applied when performing the installation. When choosing a dual station, the unit does not have to