This digital recording and logging system automatically (or manually) records all of the public address or acoustic hailing device's operations. All recordings are made using a tamper-proof encryption system ensuring they are admissible in court. They are, therefore, Ideal for police and other information sensitive applications - ensuring there can be no doubt about the content of any verbal transmissions nor the timings of any signals etc. Recordings can also be manually replayed on-site.

The PR-920 is an extremely compact 1 U ½ 19″ standard construction format extremely compact manufactured audio recorder with an SD card archiving medium