Icom IC-M504 - Manual (Page 74)

68
SPECIFICATIONS AND OPTIONS
11
■ Specifications
D D General
• Frequency coverage : Tx 156.025–157.425 MHz
Rx 156.050–163.275 MHz
• Mode : FM (16K0G3E), DSC (16K0G2B)
• Channel spacing : 25 kHz
• Current drain (at 13.8 V) : TX high 5.5 A max.
Max. audio 1.5 A max.
• Power supply requirement : 13.8 V DC ±15%
(negative ground)
• Frequency stability : ±10 ppm
(–20°C to +60°C; –4°F to +140°F)
• Antenna impedance : 50
Ω
nominal
• Dimensions : 165(W)
×
110(H)
×
123.2(D) mm
(Projections not included) 6 1 ⁄ 2 (W)
×
4 11 ⁄ 32 (H)
×
4 27 ⁄ 32 (D) in
• Weight : Approx. 1450 g; 3 lb 19 oz
D D Transmitter
• Output power : 25 W/1 W
• Modulation system : Variable reactance frequency
modulation
• Max. frequency deviation : ±5.0 kHz
• Spurious emissions : Less than 70 dBc @ 25 W
Less than 56 dBc @ 1 W
D D Receiver
• Receive system : Double conversion
superheterodyne
• Sensitivity (12 dB SINAD) : 0.22 µV (typical)
• Squelch sensitivity : Less than 0.32 µV
• Intermodulation rejection ratio : 80 dB (typical)
• Spurious response rejection ratio : 80 dB (typical)
• Adjacent channel selectivity
: 80 dB (typical)
• Audio output power : 4.5 W (typical) at 10% distortion
with a 4
Ω
load
All stated specifications are subject to change without notice or
obligation.