PCS - Personal Communications Service
Personal Communications Service is similar to mobile communication service with the difference of emphasizing personal service and extended mobility. The device is usually smaller than the mobile device and requires a number of antennas to blanket an area of home, office or building. It can be used for voice and data communication over a wireless medium by incorporating a digital technology.
PCS - Provincial Civil Services
Provincial Civil Services are the state civil services whose employees are under the control of state government and not be transferred to other state.
PCS - Public Civil Service