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Last modified 2023-09-18

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Icom IC-S21E

A picture of Icom IC-S21E

SPECIFICATIONS

GENERAL
Type:Amateur VHF transceiver
Frequency range: Europe, general market
TX: 144-146 MHz
RX: 108-174 / 400-490 MHz
Italy
TX: 144-148 MHz
RX: 108-174 / 400-490 MHz
Taiwan
TX: 145-146 MHz
RX: 108-174 / 400-490 MHz

(The wide RX frequency range may require modification for some markets)
Tuning steps:5 / 10 / 12.5 / 15 / 20 / 25 / 30 / 50 KHz
Frequency stability:±10 ppm @ 0 to 50°C (32 to 122°F)
Mode:TX: FM
RX: AM / FM
Channels / memory management: 100 regular
6 scan edge pairs
1 call
1 repeater
Priority watch
Repeater shift / offset:±?
Power supply:6-12 VDC (Depending on battery pack)
or 4-16 VDC external
Current drain / power consumption:RX: 8-160 mA
TX: 90 mA to 1.8 A
Antenna impedance / connector:50 ohm / SMA
Dimensions (W*H*D):54*111*36 mm (2.1*4.4*1.4")
Weight:315 g (11.1 oz)
Other features: CTCSS/PL with tone scan (Option). 1750 Hz repeater tone (Europe only).




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 30.85 MHz
2nd IF: 455 KHz
Sensitivity:0.16 uV (12 dB SINAD)
Selectivity:15 KHz (-6 dB)
30 KHz (-60 dB)
Image rejection:
AF output power / speaker:300 mW at 10% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm




TRANSMITTER SECTION
RF output power:

High
@ 13.5V
Low3
@ 13.5V
Low2Low1E Low
2 m:6 W4 W1.4 W1 W15 mW
Modulation system:Variable reactance frequency modulation
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -60 dB (High)
Microphone impedance/connector:2 Kohm / ?-pin (2.5 mm)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1993-199x (Discontinued)
Additional info:New price 1994 in Sweden: SEK 3995:-
Related documents:Service manual (19.1 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
AD-44A
BC-74A
BC-74D
BC-74E
BC-74V
BC-79
BP-151
BP-152
BP-153
BP-159
CP-12L
HM-46
HM-54
HM-55A
HM-75A
HS-51
LC-109
LC-110
LC-111
MB-30
OPC-254L
SP-13
UT-81
Battery pack adapter
Wall charger
Wall charger
Wall charger
Wall charger
Desktop charger
NiCd battery pack. 6 V, 800 mAh
NiCd battery pack. 6 V, 1100 mAh
NiCd battery pack. 12 V, 600 mAh
Battery case. Four R6/AA alkaline or NiCd cells
Cigarette lighter cable with noise filter
Speaker-microphone
Speaker-microphone
Speaker-microphone with DTMF keyboard
Speaker-microphone
Headset with PTT and VOX
Carrying case. For use with BP-151 and BP-159
Carrying case. For use with BP-153
Carrying case. For use with BP-152
Mobile bracket
DC power cable
Earphone
Tone squelch unit (CTCSS/PL encoder/decoder)