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Vertex Standard VX-424A Series - Technical Specifications; General Operating Parameters; Receiver and Transmitter Performance

Vertex Standard VX-424A Series
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2
Specifications
General
Frequency Range: 146-174 MHz
Number of Systems: 32
Number of Groups: 250
Channel Spacing: 12.5 / 25 kHz
PLL Steps: 5 / 6.25 kHz
Power Supply voltage: 7.5 VDC ± 10%
Operating Temperature Range: –22°F to +140°F (–30°C to +60°C)
Frequency Stability: ±2.5 ppm
Dimensions (WHD): 2.3” (W) x 4.3” (H) x 1.2” (D) (58 x 108.5 x 29 mm)
Weight (approx.): 10.6 oz (300 g) w/FNB-V67LI, Antenna and Belt clip
Receiver (Measurements made per EIA standard TIA/EIA-603)
Sensitivity: 0.25 μV (EIA 12 dB SINAD)
Adjacent channel selectivity: 70 dB (25 kHz) / 60 dB (12.5 kHz)
Intermodulation: 70 dB (25 kHz) / 65 dB (12.5 kHz)
Spurious and Image Rejection: 70 dB
Hum & Noise: 45 dB
Audio output: 500 mW @4 Ohms, 10% THD
Transmitter (Measurements made per EIA standard TIA/EIA-603)
Power output: 5.0 / 1.0 W
Modulation: 16K0F3E, 11K0F3E
Conducted Spurious Emissions: 70 dB Below Carrier
FM Hum & Noise: 45 dB (25 kHz) / 40 dB (12.5 kHz)
Audio distortion (@ 1 kHz): < 5 %
Measurements per EIA standards unless noted above. Specifications subject to change without notice or obligation.

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