Does the SR-655HPC have upper & lower sideband? Shawn July 05, 2017 17:18 The SR-955HPC is currently our only radio with side band. While the SR-655HPC has AM/FM, it does not have SSB. Related articles How do I warranty repair a 955 hpc? Radio should be putting out 80+ watts. Indicating only 40-50 with RF power on max and mic gain on high. How do I determine built date? How do I calibrate the SWR meter on my radio? Does the Stryker SR-955 HPC transmit a CTCSS tone to access repeaters? Comments 0 comments Article is closed for comments.