GTX™ 325 Mode C Transponder

Physical & Performance

• Physical dimensions (unit, rack, connectors); depth is measured from face of instrument panel: 1.68” x 6.30” x 10.07” (42 x 160 x 256 mm)
• Display type: Digital
• Weight (unit, rack, connectors)  2.9 lbs (1.32 kg)
• Voltage range: 14/28 VDC (14 W max)
• Transmit power: 200 W minimum
• Temperature: -40° C to +70° C
• Operating altitude: To 55,000 ft (16,800 m)
• Cooling input: Not required
• Environmental compliance (TSO Approved): DO-160G
• Software compliance (TSO Approved): DO-178 Levels B, C, D
• Hardware compliance (TSO Approved): DO-254 Level C; TSO compliance (Approved): TSO-C88b (w/opt. alt. encoder); TSO-C74d
• Mount type: Panel
• Transponder type: Mode A/C
• Squawk code selection: Push-button

Transponder Features

• Solid state transmitter (more efficient, longer life): yes
• Aural alerts: yes
• Total air temperature (TAT): yes
• Pressure altitude readout: yes
• Altitude monitor function: yes
• Density altitude readout: yes
• Built-in timers: yes
• Automatic ALT/GND mode: yes
• Pressure altitude encoder module (mounts to connector backplate): Optional