Whelen A350 & A350CN Series Post Light Assembly R-C-ALLEN the ST3400 serves as a

the ST3400 serves as a drop-in replacement for conventional RMI units

safe decisions based on the best weather information available

powered from the aircraft's regulated 14V or 28V system

there’s no need for the static line to be disconnected

You will always hear the audio from the transceiver that is selected by the 2-position mic selector toggle switch

Whelen A350 & A350CN Series Post Light Assembly R-C-ALLEN the ST3400 serves as aAircraft Instrument Post Lights A350 & A350N Series Post Light Assembly Whelen post lights illuminate the face of 1" to 3" instruments. Requires no adapters or backing plates. They are commonly used in rheostat control dimming circuits. Standard non glare black finish with corrected instrument white lens. Available in 14 or 28 volts.