1-1SECTION 1. SPECIFICATIONSM GENERAL• Frequency range: 136–174 MHz• Number of conventional channels: 16 channels• Type of emission:(Occupied band-width)[EXP], [THA] Wide: 16K0F3E (25.0 kHz)Narrow: 11K0F3E (12.5 kHz)[USA] Narrow: 11K0F3E (12.5 kHz)[EUR], [UK] Wide: 16K0F3E (25.0 kHz)Middle: 14K0F3E (20.0 kHz)Narrow: 8K50F3E (12.5 kHz)• Antenna impedance: 50 (Nominal)• Operating temperature range: –30˚C to +60˚C: –22˚F to +140˚F (Except [EUR], [UK].)–25˚C to +55˚C (For [EUR], [UK].)• Power supply voltage: Specified Icom's battery packs only (7.5 V DC: negative ground)• Current drain (Approximately): Receiving 77 mA (stand-by)330 mA (maximum audio, internal speaker)Transmitting 1.3 A (at 5 W)• Dimensions:(Projections not included)With BP-278 52.2(W)×111.5(H)×22.3(D) mm: 2.1(W) × 4.4(H) × 0.9(D) inchesWith BP-279 52.2(W)×111.5(H)×24.5(D) mm: 2.1(W) × 4.4(H) × 1(D) inches• Weight (Approximately): With BP-278 230 g: 8.1 oz.With BP-279 240 g: 8.5 oz.• Intermediate frequencies: 1st 46.35 MHz2nd 450 kHz• Output impedance (Speaker): 8 • Input impedance (Microphone): 2.2 kM TRANSMITTER• Output power: 5 W• Modulation: Variable reactance frequency modulation• Maximum frequency deviation: Wide ±5.0 kHzMiddle ±4.0 kHzNarrow ±2.5 kHz• Frequency stability: ±2.5 ppm• Spurious emissions: 70 dB minimum (Except [EUR], [UK].)0.25 μW (1 GHz), 1.0 μW (1 GHz) (For [EUR], [UK].)• Adjacent channel power: Wide 70 dB minimum, 74 dB typicalMiddle 70 dB minimum, 72 dB typicalNarrow 60 dB minimum, 70 dB typical• Audio harmonic distortion: Wide 1.0% typical at AF 1 kHz 40% deviationMiddle 1.0% typical at AF 1 kHz 40% deviationNarrow 1.5% typical at AF 1 kHz 40% deviation• FM hum and Noise:(Except [EUR], [UK])(Without CCITT FILTER)Wide 40 dB minimum, 46 dB typicalNarrow 34 dB minimum, 40 dB typical• Residual modulation ([EUR], [UK]):(With CCITT FILTER)Wide 45 dB minimum, 50 dB typicalMiddle 43 dB minimum, 47 dB typicalNarrow 40 dB minimum, 44 dB typical• Limitting charact of modulator: 60–100% of maximum deviation