SAMpack 120 (RD-120) Radiation Detection Backpack with Isotope ID


Berkeley Nucleonics offers isotope identification backpacks (backpack radiation detectors) for clandestine monitoring of gamma and neutron radiation.

The RD-120 Series SAMpack can be customized to specific applications with a variety of detector and networking options. Low power drain allows for many hours of uninterrupted monitoring. New multi-detector algorithms provide directionality to the user, enabling faster localization of nuclear sources.  See below for an illustration of our Rad-Compass. 

Additional user software may be integrated to allow fast and automatic data transmission to reachback centers. Alarming options include both local alarms (on the smart phone app) and in stand off locations. One example – the user may use the backpack to zero in on the likely cause of the alarm, take one or more pictures of the area with a Smartphone, and send those pictures back to the Command Center to supplement the data transmitted automatically by the backpack. The RD-120 SAMpack Radiation Detection system can also continuously transmit a GPS location along with corresponding radiation levels and energy spectrum.




Quick Specs


  • Isotope Identification & Non-Isotope Version
  • Detection type: Gamma and Neutron
  • Scintillation Type: NaI and CeBr
  • RadResponder Enabled
  • Wifi, Bluetooth, GPS, and USB
  • Homeland Security
  • Emergency Responder
  • Safeguard and Nuclear Security
  • Radiological Area Mapping
  • Geological Radiation Survey


Gamma and Neutron Detection/ID

Backpack, Stanchion or Doorway Configuration

Isotope Identification in Real-Time

Bluetooth Notification

Text/Voice Messaging

Command Center Support

IP-65, Water Resistant (fully decontaminate)

Option: RadCompass

Web-Based Training @


Emergency Response

Law Enforcement

Border Security




Radiation Safety

Portal Monitoring

Passenger and Freight Monitoring

Non-proliferation Enforcement

Health Physics

Environmental Waste Monitoring


RD-120-G (Gamma Only)

RD-120-GN (Gamma/Neutron)

RD-120-CG (High Resolution Gamma)

RD-120-CGN (High Resolution Gamma/Neutron)

Option D – Radiation Compass (Directionality) 





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