https://www.motorolasolutions.com/en_us/support/product-support/details.dp1400.html
The Motorola DP1400 programming software, also known as Motorola CPS (Customer Programming Software), is a tool used to configure and program the DP1400 two-way radio. The software allows users to customize the radio's settings, including channel configurations, tone settings, and button assignments. motorola dp1400 programming software free 2021 link download
A particularly useful feature introduced in the 2021 software and firmware updates (specifically version R01.21.03.0002 Lower Minimum Speaker Volume Level Setting What it does : It allows you to set the minimum volume level as low as within the CPS. Why it's useful https://www