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35 Northtstar Explorer VHF Series: 710US, 710EU Operation and Installation Manual
TRANSMITTER
Frequency: 156.025 - 157.425 MHz
Output power: 25 W / 1 W selectable
Transmitter protection: Open / short circuit of antenna
Max Freq deviation: +/- 5 kHz
Spurious & harmonics: better than 2.5 μ W
Modulation distortion: Less than 4%@ 1 kHz for a +/-3 kHz deviation
RECEIVER
Frequency: 156.025 - 163.275 MHz
12 dB SINAD sensitivity: 0.25 uV (distant) / 2.5 uV (local)
20 db SINAD sensitivity: 0.35 uV
Adjacent CH selectivity:more than 70 db (VHF 710US)
more than 70 db (VHF 710EU)
Spurious response: more than 70 db (VHF 710US)
more than 70 db (VHF 710EU)
Intermodulation
Rejection ratio: more than 68 db (VHF 710US)
more than 68 db (VHF 710EU)
Residual Noise level: more than -40 db unsquelched
Audio output power: 2 W (with 8 ohm at 10% distortion)
4 W with 4 ohm external speaker
Compass safe distance: 0.5 m (1.5')
Specifi cations are subject to change without notice.