M307FC Digital Outside Air Temperature Gauge | Celsius/Fahrenheit, Orange LED, Remote Probe 14G/34-9 This unit uses 10 relays

This unit uses 10 relays in a series/parallel arrangement to provide the same 20 poles of switching

This replacement balun transmission line (EDMO# 15-97-6) is for use with the RAMI AV-12 VOR/LOC/GS Receive Only Antenna

This brass female connector fitting (EDMO# 266P02X02) couples together Poly-Type

glass-reinforced polyester housing

One type is insulated

M307FC Digital Outside Air Temperature Gauge | Celsius/Fahrenheit, Orange LED, Remote Probe 14G/34-9 This unit uses 10 relaysThe 307 series digital outside air temperature (O. A. T.) gauge replaces one of the most difficult instruments to read in the cockpit. The digital probe with 12 ft cabling sends an accurate reading to the panel mount, super bright, sunlight readable display. The 307FC has a temperature probe and orange LED lighting.