Specifications
General
Frequency Ranges: 134 -174 MHz
Emission Type: F3E
Channel Spacing: 12.5/20/25 kHz
Number of Channels: 8 channels (VX-4100 Series)
501 channels (VX-4200 Series)
Power Supply Voltage: 13.6 V ± 10% (50 W version)
13.8 V ± 10% (25 W version)
Current Consumption (@13.6 V): 11 A (TX: 50 W)
300 mA (RX: SQL Closed)
2.5A (RX: 2 W AF Out)
Operating Temperature Range: –22 °F to +140 °F (–30 °C to +60 °C)
Frequency Stability: ±2.5 ppm (–22 °F to +140 °C [–30 °C to +60 °C])
Antenna Impedance: 50 Ω
Case Size (W x H x D): 6.5" x 1.7" x 6.1" inch (165 x 43 x 155 mm) (W/O knob)
Weight (Approx.): 3.1 lbs (1.4 kg)
Receiver
Circuit Type: Double-conversion Superheterodyne
Intermediate Frequency: 1st: 50.85 MHz, 2nd: 450 kHz
Sensitivity (EIA 12 dB SINAD): 0.25 µV
Sensitivity (20 dB Quieting): 0.4 µV
Adjacent Channel Selectivity: 75 dB (12.5 kHz)
85 dB (25 kHz)
Spurious & Image Rejection: 90 dB
Intermodulation: 75 dB (12.5 kHz)
80 dB (25 kHz)
Hum & Noise: 44 dB (12.5 kHz)
50 dB (25 kHz)
Audio Output: 12 W @4 Ohms, 5% THD (External)
2 W @32 Ohms, 5% THD (Internal)
Transmitter
Modulation Type: Variable Reactance
Power Output: 50/25/10 W (50 W version)
25/12.5/5 W (25 W version)
Conducted Spurious Emission: 75 dB below Carrier
Maximum Deviation: ±2.5 kHz (12.5 kHz)
±5 kHz (25 kHz)
FM Hum & Noise: 44 dB (12.5 kHz)
50 dB (25 kHz)
Audio Distortion: 3 % (@1 kHz)
Specifications subject to change without notice or obligation.
A-1
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