The YELLOW JACKET YJACK Series provides a total HVAC/R diagnostic solution. With 75 hours of continuous-duty battery life, the YJACK PATH Range Extender connects and re-broadcasts up to six YJACK devices and up to two P51-870 TITAN devices at one time using a Bluetooth signal, while providing amplified signal strength through difficult to penetrate barriers. The new YJACK PATH Range Extender works seamlessly with the YJACK DEW, YJACK Temperature Clamp, YJACK Temperature Strap, all P51-870 TITAN devices, and the new YELLOW JACKET YJACK VIEW App.