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Last modified 2026-05-07

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Icom IC-X21ET

A picture of Icom IC-X21ET

SPECIFICATIONS

GENERAL
Type:Amateur UHF transceiver
Frequency range: Europe, general market
TX: 430-440 / 1240-1300 MHz
RX: 144-146 / 430-440 / 1240-1300 MHz
Denmark
TX: 432-438 / 1240-1300 MHz
RX: 144-146 / 432-438 / 1240-1300 MHz
Tuning steps:5 / 10 / 12.5 / 15 / 20 / 25 / 30 / 50 KHz
Frequency stability:±2 ppm @ 0-50°C (32-122°F)
Mode:FM
Channels / memory management: 32 regular
1 scan edge pair
1 call
Repeater shift / offset:Programmable
Power supply:6-12 VDC (Depending on battery pack)
or 6-15 VDC external
Current drain / power consumption:RX: 20-250 mA
TX: 0.6-1.6 A
Antenna impedance / connector:50 ohm / BNC
Dimensions (W*H*D):57*125*35 mm (2.24*4.92*1.38")
Weight:400 g (14.1 oz)
Other features:CTCSS/PL option. DTMF. Clock & timer.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 45.15 MHz (70 cm) - 95.85 MHz (23 cm)
2nd IF: 455 KHz
Sensitivity: 2 m: 3.2 uV (12 dB SINAD)
70 cm: 0.16 uV (12 dB SINAD)
23 cm: 0.12 uV (12 dB SINAD)
Squelch sensitivity: 70 cm: Less than 0.16 uV (Threshold)
23 cm: Less than 0.2 uV (Threshold)
Noise figure:
Selectivity:15 KHz (-6 dB)
30 KHz (-60 dB)
Image rejection:70 cm: 60 dB
23 cm: 50 dB
AF output power / speaker:180 mW at 10% distortion / 8 ohm
External speaker connector:TRS "Minijack" (3.5 mm)




TRANSMITTER SECTION
RF output power:

High
@ 13.5V
Low3Low2Low1ELow
70 cm:5 W3.5 W1.5 W500 mW15 mW
23 cm:1 W600 mW350 mW150 mW150 mW
Modulation system:Variable reactance frequency modulation
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -60 dB (70 cm) / -40 dB (23 cm)
Microphone impedance / connector:2 Kohm / TRS "Subminijack" (2.5 mm)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1993-199x (Discontinued)
Additional info:
Related documents: User manual (2.8 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
AD-25
AD-28
BC-77A
BC-77D
BC-77E
BC-77V
BC-79
BP-130
BP-131
BP-132
BP-157
CP-13L
FA-B7023A
HM-9
HM-46
HM-54
HM-55A
HM-75
HM-75A
HM-30
HS-51
LC-105
LC-106
OPC-288L
SP-13
UT-63
Battery charge adapter
Battery pack adapter
Wall charger.
Wall charger.
Wall charger.
Wall charger.
Desktop charger
Battery case. Six LR6 / AA batteries
NiCd battery pack. 7.2 V, 900 mAh
NiCd battery pack. 12 V, 600 mAh
NiCd battery pack. 7.2 V, 900 mAh. No whisper mike
Cigarette lighter cable with noise filter
Dual band flexible antenna
Speaker-microphone
Speaker-microphone
Speaker-microphone
Speaker-microphone with DTMF keypad
Speaker-microphone
Speaker-microphone
Mounting bracket
Headset
Carrying case. For use with BP-130/132/157
Carrying case. For use with BP-132
DC power cable
Earphone
Tone squelch unit