44
System Specifications:
Channels 6
Frequency Type F3
Modulation Type FM
Noise Reduction Type Compander/Expander
Distance 300 feet
Transmitter / Emetteur / Sender / Transmisor (VT3L and VH3):
Transmission Mode Frequency modulation, 80KF3E, 20 kHz peak deviation
Frequency Range 173.80 MHz to 213.20 MHz, 25 frequencies
Band A (European / UK models) 160.10 to 177.90 MHz
OSC System Crystal controlled, x9 multiplication
RF Power 20 mW (USA models), 2 mW (European / UK models)
Operating Range 300 ft.
Frequency Stability ± 10 ppm
Approvals Complies with ETS 300 422 and FCC Part 74
Radiating Harmonic and Spurious Emission Below limits of applicable regulations
Antenna Type Internal
Audio Frequency Response 40 Hz to 16 kHz ±3 dB
Pre-Emphasis 50 µSec
Noise Reduction System NE571 based compandor
Signal To Noise Ratio > 100 dB
Maximum Input Level 0 dBv (VT3L, VT3), -20 dBv (VH3)
T.H.D. < 1% @ 1 kHz
Current Consumption 32 mA (typical)
Battery Life (MN1604 9-volt alkaline) 14 hours (typical)
Operating Temperature -10 to +55 degrees C
Controls
VT3L Power On/Off, Mute On/Off, Level Control (Trimpot)
VH3 Power On/Off, Audio On/Off, Level Control (Trimpot)
LED Indicator Battery high/medium/low
Dimensions
VT3L 65 (W) x 22 (H) x 100 (D) mm (2.6 x .87 x 4 in.)
VH3 37 (W) x 240 (H) mm (1.46 x 9.45 in.)
Weight 110 grams • 3.9 oz.
Receiver / Récepteur / Empfänger / Receptor (VM1):
Local Oscillator System Crystal Controlled
Receiving System Single conversion Super Heterodyne Diversity
De-emphasis 50
µsec
IF Frequency 10.7 MHz
Antennas 5/8 Wavelength
In/Out 5.5 DC Inlet, Unbalanced Output (3.5 mm phone jack),
Headphone Output (3.5 mm phone jack)
Display (LED) Receiver A/B (Orange), Peak (Red), RF Level / Battery Strength (3 pc)
Peak LED lighting point AF output level approx. +4 dB
Controls Audio Level swtitch, Squelch level,
Headphone volume, Meter function switch
Operating Temperature Range -10° C / 55° C
Power Requirement 9 VDC, 65 mA (min.) - 140 mA (max.)
@ 9 V Battery or supplied AC adapter
Frequency Range
U.S. Model 173.8 MHz - 213.2 MHz
Band A (European/UK models) 160.1 MHz - 177.9 MHz
Squelch Sensitivity 10 dBuV to 21 dBuV adjustable
Sensitivity (AF = 1 kHz, dF = 20 kHz) =<6 dBuV @ 20 dB S/N
Selectivity ± 150 kHz BW, nominal @ -60 dB
T.H.D. < 1% @ 1 kHz
Signal to Noise Ratio > 100 dB (w/IHF-A Filter)
Audio Frequency Response 50 Hz - 15 kHz (±3 dB)
Audio Output Levels -10 / -20 / -30 dBv unbalanced
Audio Output Impedance 50 k Ohms
Dimensions (W x H x D, without antennas) 66 x 26 x 108 mm (2.6 x 1 x 4.3 in.)
Weight 120 g (0.24 lb) without Battery
Specifications
