25
D General
• Frequency range:
Channel spacing: 25 kHz 118.000 to 136.975 MHz
Channel spacing: 8.33 kHz 118.000 to 136.992 MHz
Weather channel* 161.650 to 163.275 MHz
• Channel spacing: 25 kHz or 8.33 kHz
• Frequency stability: ±5 ppm (
–20°C to +55°C;–4°F to
+131°F)
• Operating temperature: –20˚C to +55˚C;
–4˚F to +131˚F
• Antenna impedance: 50 ø
•
Number of memory channels:
20 regular memory channels
50 group memory channels
20 history memory channels
10 weather memory channels*
• Mode:
AM 6K00A3E/5K60A3E
FM* 16K0G3E
• Power supply requirement: 13.80 V/27.50 V DC
(negative ground)
• Dimensions: 160
(W)✕34 (H)✕271 (D) mm;
(projections not included) 6.3 (W)✕1.3 (H)✕10.7
(D) inches
• Weight (approximately): 1.2 kg; 2.645 lb
D Transmitter
• Classes: 4 and 6
• Output power:
More than 12 V DC: 8 W (Carrier power)
10 V DC: 4 W (Carrier power)
Transmit is locked out below 9 V DC.
• Spurious emissions: –60 dBc
• Microphone impedance: 600 ø
• Modulation limiting: 70% (Maximum 98%)
D Receiver
• Classes: D and E
• Receive system: Double conversion superheterodyne
• Intermediate frequencies:
1st 38.85 MHz
2nd 450 kHz
• Sensitivity:
AM Less than 2 μV (pd)
at 6 dB S/N
FM* Less than 1.4 μV (pd)
at 12 dB SINAD
• Selectivity (with 8.33 kHz channel spacing):
6 dB ±2.778 kHz
60 dB ±7.37 kHz
• Spurious response rejection: More than 74 dBµ
• Audio output power:
External speaker 5 W into a 4 ø load
Headphones 60 mW into a 500 ø load
*Receiving only.
Measurements made in accordance with RTCA DO-186B.
In Canada, use of 8.33 kHz Channel Spacing of this radio is strictly prohibited and shall not be used.
6
SPECIFICATIONS
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