Garmin APOLLO GX65 - Manual (Page 26)

VHF Comm Receiver Performance Specifications (GX60/65)
Class D
Frequency range - 118.000 to 136.975 MHz, 760 channels
Sensitivity
1 microvolt (2 microvolt hard) for 6 dB S+N/N
30% modulation at 1000 Hz
Selectivity
<6 dB variation at ±22 kHz
Speaker audio output level
12 watts into 4 ohms, 8 watts into 8 ohms
Headphone audio output level
280 mW into 100 ohms, 120 mW into 500 ohms
Distortion - <5% at rated output at 1000 Hz
AGC characteristics
<3dB variation in audio output from 5 to 100 mV input,
15% to 90% modulation
Squelch control - Automatic with manual override
VHF Comm Transceiver Performance Specifications (GX60/65)
Class 4
Output Power
8 watts minimum carrier at > 12 VDC
6 watts minimum at 10 VDC (transmit is locked out below
9 VDC input)
Modulation capability
85% with 100 mv to 1000 mv rms microphone input at
1000 Hz
Duty cycle 100%
Stuck mic time out
35 second time-out, reverts to receive
TSO/JTSO Authorizations
GX50
TSO-C129a Class A1/JTSO-C129a Class A1
GX55
TSO-C129 Class A2
GX60
TSO-C129a Class A1/JTSO-C129a Class A1
TSO- C128/JTSO-2C128
TSO-C37d/JTSO-2C37e Class 4
TSO-C38d/JTSO-C38e Class D
GX65
TSO-C129a Class A2/JTSO-C129a Class A2
TSO-C128/JTSO-2C128
TSO-C37d/JTSO-2C37e Class 4
TSO-C38d/JTSO-C38e Class D
Features and specifications subject to change without notice.
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Apollo GX Features