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Midland Base Tech II Low Band Base Stations

General Specification 71-0150BA 71-0150BB 71-0150BC 71-0110BB 71-0110BC
Frequency Range 30-40 MHz 35-45 MHz 40-50 MHz 35-45 MHz 40-50 MHz
TX Power Transmit  25-50W 25-50W 25-50W 50-100 W 50-100W
Primary Power 13.6V DC 13.6V DC 13.6V DC 13.6V DC 13.6V DC
Power Supply 12 Amp 12 Amp 12 Amp 25 Amp 25 Amp
Channel Capacity 99 99 99 99 99
CTCSS Programmable by channel
DCS Option, Programmable by channel
5 Tones  Programmable by channel
DTMF Programmable
Scrambler Programmable option voice inversion type
Channel b/w 20 kHZ 20 kHz 20 kHz 20 kHz 20 kHz
Channel Stepping 2,5 kHz 2,5 kHz 2,5 kHz 2,5 kHz 2,5 kHz
Operating  Temperature -30°C to +60°C -30°C to +60°C -30°C to +60°C -30°C to +60°C -30°C to +60°C

 

Receiver Specifications  
Sensitivity 0.35 µV 0.35 µV 0.35 µV 0.35 µV 0.35 µV
RX Frequency Separation  3.0 MHz (dual front end available)
Selectivity 25/12.5kHz  90 dB 90 dB 90 dB 90dB 90 dB
Intermodulation  85 dB 85 dB 85 dB 85 dB 85 dB
Spurious Rejection  100 dB 100 dB 100 dB 100 dB 100 dB
Audio output  7.5 Watt 7.5 Watt 7.5 Watt 7.5 Watt 7.5 Watt
Squelch Sensitivity  < 8 dB sinad < 8 dB sinad < 8 dB sinad < 8 dB sinad < 8 dB sinad
Frequency Stability  1.5 PPM 1.5 PPM 1.5 PPM 1.5 PPM 1.5 PPM
RX Input Impedance  50 ohms 50 ohms 50 ohms 50 ohms 50 ohms

 

Transmitter Specifications  
Sensitivity 0.35 µV 0.35 µV 0.35 µV 0.35 µV 0.35 µV
RF Power Output (continuous) 25/50 Watts * 25/50 Watts * 25/50 Watts * 50/100 Watts * 50/100 Watts *
Modulation  2.5 kHz or 5 kHz
TX Frequency Separation Full Band Full Band Full Band Full Band Full Band
TX Spurious and Harmonics 80 dB 80 dB 80 dB 80 dB 80 dB
FM & Hum Noise 50 dB 50 dB 50 dB 50 dB 50 dB
Audio Distortion 2% 2% 2% 2% 2%
Duty Cycle 100% 100% 100% 100% 100%
Frequency Stability 1.5 PPM 1.5 PPM 1.5 PPM 1.5 PPM 1.5 PPM
TX Output Impedance 50 ohms 50 ohms 50 ohms 50 ohms 50 ohms

 * - Higher power option available Complies with NTIA specifications

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Phone/Fax (434) 237-8255 • (800) 488-7908
78 Airpark Drive • Lynchburg, Virginia  24502
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