Specifications include, but are not limited to: PERSONAL RADIATION DETECTOR (PRD) with gamma identification, small, ruggedized, handheld size, powered by placeable common AAA/AA or rechargeable batteries. Backlit display with battery life of 150 hours minimum at normal background operation. Able to operate in temperature extreme temperatures both cold and hot. Capable of transmitting data via wireless/Bluetooth or USB and must be compatible with Window based PC software. Updates to natural background or natural background rejection. Capable of quick gamma detection and identification at further distances. As well as neutron detection through prompt gammas. Alarms features must include, audible, vibratory, visual, with ability to plug in headphones. Quick determination and adjudication between threat and non-threat sources. Can be configured to show dose rate and count rate. Compatible with accessories for vehicle charging, duty belt bolsters, and tactical holsters.