Use Manual

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DTX-145MSPECIFICATIONS
RECEIVER
25 kHz Wide band 12.5 kHz Narrow band
Sensitivity (12 dB SINAD): 0.25 µV 0.25 µV
Adjacent channel: -70 dB -60 dB
Spurious rejection: -65 dB -65 dB
Image rejection: -70 dB -70 dB
Intermodulation: -67 dB -67 dB
FM hum and noise: -45 dB -40 dB
Conducted spurious: -57 dBm -57 dBm
Receiver attack time (TX to RX): < 10 ms < 10 ms
Noise squelch attack time: < 15 ms < 15 ms
(for 20 dB quieting)
RSSI squelch attack time: < 5 ms < 5 ms
RSSI squelch sensitivity: PC adjustable; factory set for –106 dBm
Noise squelch sensitivity: PC adjustable; factory set for –121 dBm
AUX OUT frequency response: 12 - 2500 Hz @ +1 / -3 dB
AUX OUT level range: 0 to 3 Volts peak-to-peak
Audio Speaker Output >700 mW into 8 , with less than 5 % THD ( 0 to 2.5 Vrms)
Audio Speaker freq response: de-emphasized 6 dB/octave from 400 to 2500 Hz
TRANSMITTER
RF Power Output: 2.0 watts @ 12.5 VDC < .9 A
Voice Emission Designator: 16K0F3E (wideband) 11K0F3E (narrowband)
Data Emissions Designator for external modem: 11K0F1D or 11K0F2D narrowband
18K0F1D or 18K0F2D wideband
Wideband Narrowband
Deviation: +/- 5.00 kHz +/- 2.50 kHz
Transmitter attack time: < 10 ms < 10 ms
FM Hum and Noise: -45 dB -40 dB
Audio Distortion: < 5 % < 5 %
Spurious and Harmonics: -20 dBm max
Aux In frequency response: 8 Hz to 2500 Hz @ +1 / -3 dB
Aux In level range: 0.1 to 5 V peak-to-peak
Microphone freq response: pre-emphasized 6 dB/octave from 300 to 2500 Hz
Microphone level: 25 mV rms for nominal +/- 3 kHz deviation on wideband channel