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 Does the Stryker SR-955 HPC transmit a CTCSS tone to access repeaters? How do I determine built date? SR-447HPC / SR-497HPC Setup Guide Radio should be putting out 80+ watts. Indicating only 40-50 with RF power on max and mic gain on high. Does the SR-955HPC have a "PA mode". If yes, where is the switch or button? Comments 0 comments Article is closed for comments.