Icom IC-M505 - Manual (Page 73)

67
11
SPECIFICATIONS AND OPTIONS
10
11
■ Specifications
D D General
• Frequency coverage : Tx 156.000–161.450 MHz
Rx 156.000–163.425 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 (10.8 to 15.6 V)
(negative ground)
• Frequency stability : ±10 ppm
• Operating temp. range : –20°C to +60°C
• Antenna impedance : 50
Ω
nominal
• Dimensions : 165(W)
×
110(H)
×
123.2(D) mm
(Projections not included)
• Weight : Approx. 1450 g
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 0.25 µW
• Microphone impedance : 2 k
Ω
• Frequency error : Less than ±1.5 kHz
• Adjacent channel power : More than 70 dB
• Audio harmonic distortion : Less than 10 %
• Residual modulation : More than 40 dB
• Audio frequency response : +1dB to –3dB of 6 dB oct. from
300 Hz to 3000 Hz
D D Receiver
• Receive system : Double conversion
superheterodyne
• Sensitivity (20 dB SINAD) : –5 dBµ emf (typical)
• Squelch sensitivity : Less than 1 µV
• Intermodulation rejection ratio : More than 73 dB
• Spurious response rejection ratio : More than 73 dB
• Adjacent channel selectivity
: More than 73 dB
• Audio output power : More than 2 W at 10% distortion
with a 4
Ω
load
• Hum and noise : More than 40 dB
• Audio frequency response : +1dB to –3dB of –6 dB oct. from
300 Hz to 3000 Hz
All stated specifications are subject to change without notice or
obligation.