Icom ID-31A

53
SPECIFICATIONS
9
D General
•Frequencycoverage : (unit: MHz)
Version
TX RX
U.S.A. 420–450*
1
400–479*
1
AUS 420–450*
2
400–479*
2
EUR, KOR 430–440 430–440
UK 430–440 400–479*
2
ITR 430–434, 435–438 430–434, 435–438
EXP 400–479*
2
400–479*
2
EXP-1 430–440 400–479*
2
CAN 430–450*
1
400–479*
1
*
1
Guaranteed 440–450 MHz only, *
2
Guaranteed 430–440 MHz only
•Mode  : FM, FN-N, DV
•No.ofmemorychannels : 552
(incl. 50 scan edges and 2 call channels)
•Usabletemp.range  :–20°Cto+60°C;–4°Fto+140°F
•Tuningsteps  :5,6.25,10,12.5,15,20,25,30,50,
100, 125 and 200 kHz
•Frequencystability  :±2.5ppm
(–20°C to +60°C; –4°F to +140°F)
•Powersupply  :10.0–16.0VDCforexternalDCpower,
or specified Icom’s battery pack
•Digitaltransmissionspeed:4.8kbps
•Voicecodingspeed  :2.4kbps
•Currentdrain(at 7.4 V DC) :
TX (at 5 W) Less than 2.5 A
RX Max.output FM  Lessthan350mA(Internalspeaker)
     Lessthan200mA(Externalspeaker)
DV Less than 450 mA (Internal speaker)
     Lessthan300mA(Externalspeaker)
•Antennaconnector :SMA(50W)
•Dimensions :58(W)×95(H)×25.4(D) mm;
(projections not included) 2.3(W)×3.7(H)×1(D) in
•Weight
(approximately) : 140 g; 4.94 oz
(
without battery pack/case and ant.
)
D Transmitter
•Modulationsystem  :
FM Variable reactance freq. modulation
DV GMSK reactance freq. modulation
•Outputpower(at 7.4 V DC) : High 5.0 W, Mid. 2.5 W, Low 0.5 W,
(Typical) S-Low 0.1 W
•Max.frequencydeviation :±5.0kHz(FMwide:approx.)
±2.5kHz(FMnarrow:approx.)
•Spuriousemissions :Lessthan–60dBcatHigh/Mid.
Less than –13 dBm at Low/S-Low
•Ext.mic.impedance :2.2kW
D Receiver
•Receivesystem :Double-conversionsuperheterodyne
•Intermediatefrequencies :46.35MHz(1stIF)
450 kHz (2nd IF)
•Sensitivity
(exceptspuriouspoints):
FM
(1 kHz/3.5 kHz Dev.; 12 dB SINAD) Less than –15 dBµ
DV (PN9/GMSK 4.8 kbps; BER 1%) Less than –11 dBµ
•Audio output power (at 10% distortion)
Internal speaker : More than 0.4 W with a 16
Ω
load
 Externalspeaker :
More than
0.2 W with a 8
Ω
load
•Selectivity  :
FM
(Wide) More than 55 dB
FM
(Narrow), DV More than 50 dB
•Ext.speakerconnector :3-conductor3.5(d)mm;(
1
⁄8˝)/8 W
•Spuriousandimagerejectionratio:
More than 60 dB
•SquelchSensitivity
(threshold, 1 kHz/3.5 kHz Dev.):
Less than –15 dBµ
All stated specications are subject to change without notice or obligation.