DR-2X / DR-2XE Operating Manual
48
21. Specifications
z
General
Frequency range
:
144 to 146 MHz, 430 to 440 MHz or 144 to 148 MHz, 430 to 450 MHz
Channel steps
:
5 / 6.25 kHz
Emission type
:
F1D, F2A, F2D, F3E, F7W
16K0F1D F1D - Frequency modulation data transmission, double sideband, without using a modulating subcarrier
16K0F2D F2D - Frequency modulation data transmission, using a modulating subcarrier
16K0F3E F3E - Frequency modulation telephony
12K5F7W F7W - Two or more digital channels combinations of the above
Frequency stability
:
±2.5 ppm (−4°F to +140°F (−20°C to +60°C))
Antenna impedance
:
50 Ω
Supply voltage
:
AC 100-240V (DR-2X only)
DC 11.7 to 15.8 V, negative grounding
Current consumption
:
AC: 2 A (max) (@ 117 V Input) (DR-2X only)
DC: 1.5 A (receive)
10 A (50 W TX, 144 MHz / 430 MHz band)
Operating temperature
:
DR-2X: −4°F to +140°F (−20°C to +60°C)
DR-2XE: −20°C to +55°C
Dimensions :
19" (W) × 3.5" (H) × 15" (D) (482 × 88 × 380 mm) w/o knob, connector, handle
Weight (approx.)
:
DR-2X: 20.72 lbs (9.4 kg)
DR-2XE: 18.52 lbs (8.4 kg)
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Transmitter
RF power output
:
50 / 20 / 5 W
Modulation type
:
F1D, F2A, F2D, F3E Variable Reactance Modulation
F7W
4FSK (C4FM)
Spurious emission
:
At least 60 dB below
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Receiver
Circuit type
:
Double conversion super-heterodyne
Intermediate frequencies
:
CH-A 1st: 47.25 MHz, 2nd: 450 kHz
CH-B 1st: 44.85 MHz, 2nd: 450 kHz
Receiver sensitivity
:
0.3
μ
V (Digital 144 MHz Band/430 MHz Band) BER 1 %
0.2
μ
V (FM 144 MHz Band/430 MHz Band) 12 dB SINARD
Adjacent Channel Selectivity :
Better than 65 dB TYP (20 kHz offset)
Selectivity :
FM 12 kHz/35 kHz (−6 dB/−60 dB)
Intermodulation :
Better than 65 dB TYP (20 /40 kHz offset)
Audio output
:
4 W (4 Ω, THD 10%, 13.8 V; internal speaker)
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Symbols placed on the equipment
Direct current
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Rated values are at normal temperature and pressure.
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Ratings and specifications are subject to change without notice for product improvement reasons.