PDT Standard (Police Digital Trunking) is China's police wireless communications standard established by China's major vendors of professional wireless communications equipment under the leadership of Information and Communications Bureau of the Ministry of Public Security. This standard facilitates the digital transformation of the Ministry's existing MPT analogue trunking system. PDT is an open standard to vendors. Hytera Communications (HYT) is the major contributor to the standard, and is the first enterprise that launches PDT two way radio and system.
Features of PDT system：
All-IP architecture; independent control and carrier; independent call processing and service switching; easy to develop new applications.
Various networking modes; flexible and convenient networking; highly scalable.
Distributed system architecture; multi-layered fault mitigation design; high reliability and efficiency.
Hardware platform built with universal devices such as switches and routers; mature technologies and low costs.
Module-based design; customizable system functions.
Based on the universal SNMP network management standard; easy to manage and maintain.
The core network is interoperable with different systems such as DMR (Digital Mobile Radio) and Tetra (Terrestrial Trunked Radio).
