Icom ID-51A

89
SPECIFICATIONS
New2001 New2001
General ■
•Frequencycoverage:   (unit: MHz)
TX RX
EUR 144–146,430–440 144–146,430–440
U.S.A. 144–148,430–450*
1
108–174*
2
,380–479*
1
ALL —
BC Radio (AM): 0.520–1.710kHz
BC Radio (FM): 76.0–108.0MHz*
3
*
1
Guaranteed440–450MHzonly,*
2
Guaranteed144–148MHzonly
*
3
88.0–108.0MHzfortheUSAversion.
The SUB band audio signal may be muted, depending on
the combination of operating band and mode.
•Mode:
FM, AM (Rx only), DV
•Numberofmemorychannels: 554 (incl. 50 scan edges and 4 call
channels)
•NumberofBCradiomemorychannels: 500
•Usabletemp.range: –20°Cto+60°C;–4°Fto+140°F
•Tuningsteps: 
1, 5, 6.25, 8.33, 9, 10, 12.5, 15, 20,
25, 30, 50, 100, 125 and 200 kHz
* The selectable steps may differ, depending on the selected fre-
quency band or operating mode.
•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)×105.4(H)×26.4(D) mm;
(projections not included) 2.3(W)×4.1(H)×1.0(D) in
•Weight
(approximately): 255 g; 9 oz
(incl. battery pack and antenna)
Transmitter ■
•Modulationsystem:
FM Variable reactance freq.
modulation
DV GMSK reactance freq.
modulation
•Outputpower: 
High 5.0 W, Mid. 2.5 W,
Low2 1.0 W, Low1 0.5 W,
S-Low 0.1 W (Typical)
• Max. freq. deviation : ±5.0kHz(FM wide: approx.)
±2.5kHz
(FM narrow: approx.)
•Occupiedbandwidth: Lessthan6.0kHz (DV)
•Spuriousemissions: Lessthan–60dBcatHigh/Mid.
Lessthan–13dBmatLow2/
Low1/S-Low
•Ext.mic.impedance: 2.2kW