TECHNICAL SERVICES:-

Communication setup of the police department is maintained by the Technical Services wing of Tamil Nadu Police. This wing is headed by an officer of the rank of Inspector General of Police.

A VHF High band network for police station level communications is provided for all districts and Commissionerates. At present, 121 VHF repeaters are functioning from 88 repeater sites for supporting the entire VHF network. As on date, 6160 VHF Static / Mobile sets, 11018 VHF Handheld sets, 214 VHF repeater sets and 162 HF sets are used in the state for voice communication. Microwave phone facility is also provided upto district level.

The state is constantly endeavouring to upgrade the communication facilities of the Police Department. Data transfer among police units including police stations is possible through a fully operational Wide Area Network (WAN) For police units in Chennai City and suburbs Cor-DECT WLL telephone for voice and data transfer is also made fully operational and functioning. About Rs.2.50 crores would be spent in 2008–09 to achieve 100% digitalization. In addition, orders have been placed to replace 8 MB outdated microwave radios and upgrade to 34 MB Radios between Chennai and Kodaikanal at a cost of Rs.186.54 lakhs. Action is being taken to upgrade the analog to digital microwave communication in the newly formed Krishnagiri district and in 6 links between Tuticorin and Nagercoil at a cost of Rs.329.58 lakhs.

Apart from maintaining the Communication equipments, the technical cells in all districts and Commissionerates are also attending to frontline servicing on Computer & its accessories, Security gadgets and Office automation equipments etc. A new post of SP (Technical) has been created in 2007 in Police Telecommunication Branch headquarters.