GMA™ 245R

Physical & Performance

• Unit size: 6.29″>”W x 1.36″>”H x 9.06″>”D (159.8 x 34.5 x 230.1 mm) includes end mount rack and connectors
• Weight: 1.39 lbs (630.49 g) includes mounting bracket and connectors
• Electrical: 11-33 VDC

Environmental

• Temperature: -20° C to +55° C (operating)
• Altitude range: to +55,000 ft MSL unpressurized

Audio Inputs

• Impedance: 600 ohm
• Max. input: 5 Vrms
• Isolation: 60 dB minimum
• Bandwidth: 100 Hz to 6.5 kHz
• Transceiver: 3 (including TEL)
• Receiver: 5 (NAV1, NAV2, AUX1, AUX2, AUX3)
• Alerts: 4 (unswitched)
• Telephone input: 1

Intercom Functions 

• Positions: 6 (pilot,copilot, 4 passengers)
• Volume control: 2 (pilot, copilot/passengers)
• VOX: Automatic (1 per MIC input)
• Modes: Pilot, crew, all
• MIC impedance: 150 ohm
• MIC Bias: 11 VDC through 470 ohm
• Keyed ICS: Configurable

Music functions      

• Inputs: 2 (independent from Bluetooth audio)
• Impedance: 600 ohm (differential)
• Max. input: 3.0 Vrms
• Gain: +24 dB Max/-96dB min
• Input level: < 200 mVrms at max gain for full power out 3dB@1kHz Bandwidth 20 Hz to 20 kHz
• Distortion: < 0.1% THD+N typical at full power over full bandwidth
• Muting: Selectable and configurable

Bluetooth     

• Supported profiles: A2DP and AVRCP (music) and HFP (phone)
• Paired devices stored: 10
• Connections allowed: 1 device
• Supported devices: Phones, tablets, VIRB XE, G3X additional features
• Volume: Set by device, and adjustable on GMA display 3dB@1kHz Bandwidth 20 Hz to 20 kHz
• Distortion: < 0.1% THD+N typical at full power over full bandwidth
• Firmware updates: Free and field loadable by SD card

Headphone Outputs

• Output amplifiers: 3 Stereo (pilot, copilot, passenger)
• Output power: 65 mW into 150 Ohms Pilot and Copilot, 260 mW into 37.5 Ohms passenger
• Distortion: < 3% THD+N at 10% Power, < 10% THD+N at full power
• Frequency response: 20 Hz to 20 kHz
• Impedance rated: 150 Ohm pilot/copilot, 37.5 Ohm Passenger (4-150 Ohm headsets)
• Impedance supported: 150 to > 600 Ohm

USB Charge Port   

• Rated power: 10 Watt
• Max charge current: 2.1 Amps
• Overcurrent protection: USB charge port protection with current > 2.3 Amps
• Device supported: Any USB device
• Charging scheme:  DCP

Speaker       

• Outputs: 1
• 28 Volt Aircraft : 10 Watt into 4 Ohm; 7 Watt into 8 Ohm
• 14 Volt Aircraft: 3 Watt into 4 Ohm 3dB@1kHz Bandwidth 350 Hz to 6.5 kHz
• Distortion: < 10% THD+N at full power, < 3% THD+N at 10% power

Voice Recorder      

• Record time max:  1 minute     

Code Load Options

• G3X Touch system

User Interface

• G3X Touch system

DIP Switch             

• Config switches: 8 (See install manual for descriptions)

Lighting Bus

• Voltage: 14 V or 28 V

CAN Bus

• Conforms to BOSCH CAN Network 2.0-B and complies with ISO 11898