This X-ray and Gamma Radiation Personal Dosimeter is a miniature electronic dosimeter capable of solving a wide range of personal dose monitoring tasks - measurement of personal dose equivalent (DE) and personal dose equivalent rate (DER) of X-ray (continuous and pulsed) and gamma radiation. The dosimeter also provides wireless on-line data transfer (DE and DER) and off-line transfer of instrument history events to radiation monitoring system database of different institutions.