![background image](http://html1.mh-extra.com/html/icom/ic-f4261dt/ic-f4261dt_service-manual_4270747043.webp)
1 - 1
SECTION 1. SPECIFICATIONS
M
GENERAL
• Frequency range
: 400–470 MHz [USA-01], [USA-02], [USA-05], [EUR-01], [EXP-01],
[EXP-02], [EXP-03], [CHN-01], [DPM-01], [DPM-02]
450–512 MHz [USA-03], [USA-04], [USA-06]
450–520 MHz [AUS-01], [EXP-07]
350–400 MHz [EXP-04], [EXP-05], [EXP-06]
• Number of conventional channels : 512 channels (128 zones)
• Type of emission
: Wide
16K0F3E (25.0 kHz)
Except [USA]
Middle
14K0F3E (20.0 kHz)
[EUR], [DPM]
Narrow
11K0F3E (15.0kHz)
[USA]
8K50F3E (12.5 kHz)
Except [USA]
Digital
4K00F1E, D
• Antenna impedance
: 50
Ω
(Nominal)
• Operating temperature range
: –30˚C to +60˚C; –22˚F to +140˚F
Except [EUR], [DPM]
–25˚C to +55˚C
[EUR], [DPM]
• Power supply voltage
: 7.5 V DC nominal (negative ground)
• Current drain (approximately)
: Receiving
stand-by
160 mA ( In the digital Mode, GPS and Man Down
functions are ON.)
maximum audio 550 mA (internal speaker)
Transmitting
High
1.8 A (at 5 W)
• Dimensions
(Projections not included)
: 142.7(W) × 53.5(H) × 39.5(D) mm; 5.6(W) × 2.1(H) × 1.6(D) in (with BP-232WP)
• Weight (Approximately)
: 230 g; 8.1 oz (without BP-232WP, MB-94R and FA-SC57U)
400 g; 14.1 oz (with BP-232WP, MB-94R and FA-SC57U)
M
TRANSMITTER
• Output power
: 5 W
• Modulation
: Variable reactance frequency modulation
• Maximum frequency deviation
: Narrow
±2.5 kHz
Middle
±4.0 kHz
Wide
±5.0 kHz
• Frequency stability
: ±1.0 ppm
• Spurious emissions
: 70 dB maximum
Except [EUR], [DPM]
0.25 µW (
≤
1 GHz), 1.00 µW (
>
1 GHz)
[EUR], [DPM]
• Adjacent channel power
: Narrow
60 dB minimum
Middle
70 dB minimum
Wide
70 dB minimum
Digital
60 dB minimum
• Audio harmonic distortion
: 3% typical (at AF 1 kHz 40% deviation)
• FSK error
: 5% maximum
• Residual modulation
(With CCITT FILTER)
([EUR], [DPM])
: Narrow
40 dB minimum
Middle
43 dB minimum
Wide
45 dB minimum
• FM hum and Noise
(Without CCITT FILTER)
(Except [EUR], [DPM])
: Narrow
34 dB minimum
Wide
40 dB minimum
• Limitting charact of modulator
: 60–100% of maximum deviation
• Input impedance (Audio)
: 2.2 k
Ω