RB-14/28-25 Series APU | 25A, 14/28VDC, 115V, 60Hz P7-531212 The STX 360R Sentinel is

The STX 360R Sentinel is a remote mounted 978 MHz UAT ADS-B device with a built-in Mode A/C transponder for aircraft with limited panel space

A conductive mounting gasket is supplied with this product

providing comfort for the user and reducing fatigue

This tool is engineered to improve efficiency during maintenance and testing procedures

Boeing certified

RB-14/28-25 Series APU | 25A, 14/28VDC, 115V, 60Hz P7-531212 The STX 360R Sentinel isThe RB 14 28 25 Series Aircraft Ramp Power Supply is an aircraft flight line service and maintenance tool. The APU unit has a filtered 14 or 28 volt DC power supply with an amperage capability up to 25 amperes for testing of aircraft electrical systems. This ramp or hangar accessory is an absolute must for avionics service, gear and flap actuator exercising and other electrical system service. Version R 14 28 25 is designed as a power supply only unit