I'd like to buy the CTCSS for the SR-955HPC, where can I buy one? Shawn April 24, 2017 15:42 The CTCSS module can be purchased right on our website. Here is a link directly to the product page: http://strykerradios.com/store/ctcss-module-for-stryker-sr-955hpc-10-meter-radios/Thank you! Related articles In what country is the SR-955HPC Manufactured? How to use CTCSS with the SR-955HPC Is The Stryker 655 CB Radio Capable? Installation instructions for the CTCSS Board Is it possible to program roger beep key up tones at the start of the transmission? Comments 0 comments Article is closed for comments.