Yes the DSC Powerseries PC1832  can hold up to 32 wireless sensors. You will also need to make sure that you have a compatible wireless receiver for this unit which can be either built into the keypad such as a DSC RFK5564 or wired directly into next to the PC1832 control panel with the DSC  RF5132-433. Once you have added either one of these options you now have successfully turned your DSC Pc1832 wired system into a hybrid security system meaning you can use both hardwired security sensors and wireless rf sensors.

DSC Powerseries PC1832 Frequently Asked Questions

DSC Powerseries PC1832 Alarm Monitoring Options