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Last modified 2022-04-20

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Icom IC-W21AT

A picture of Icom IC-W21AT

SPECIFICATIONS

GENERAL
Type:Amateur VHF/UHF transceiver
Frequency range
depending on version:
USA
TX: 144-148 / 440-450 MHz
RX: 100-995 MHz
Australia
TX: 144-148 / 430-440 MHz
RX: 100-995 MHz

NB! The wide RX frequency range may require modification
Tuning steps:5 / 10 / 12.5 / 15 / 20 / 25 / 30 / 50 KHz
Frequency stability:5 ppm @ 0 to 50C (32 to 122F)
Mode:TX: FM
RX: AM / FM
Channels/memory management: 64 regular (32 per band)
2 repeater (1 per band)
2 call (1 per band)
2 scan edge pairs (1 per band)
Priority function
RAM storage with rechargeable backup battery (Supercap?)
Repeater shift/offset:0 to 60 MHz in selected step size
Power supply:7.2-12 VDC (Depending on battery pack)
or 6-16 VDC external (Barrel connector, center positive)
Current drain/power consumption:RX: 15-200 mA
TX: 0.5-1.5 A
Antenna impedance/connector:50 ohm / BNC
Dimensions (W*H*D):57*125*35 mm (2.24*4.92*1.38")
Weight:390 g (13.76 oz), with BP-157 and antenna
Other features: CTCSS/PL (Pre-installed in USA version). Cross band repeater function.
DTMF. Clock/timer. Backlit display. Twin RX (V+U, V+V or U+U reception).




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 43.1 MHz (VHF) - 45.15 MHz (UHF)
2nd IF: 455 KHz
Sensitivity:2 m/70 cm: 0.16 uV (12 dB SINAD)
Selectivity:15 KHz (-6 dB)
30 KHz (-60 dB)
Image rejection:60 dB
AF output power/speaker:200 mW at 10% distortion / 8 ohm
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power:

HighLow 3Low 2Low 1E Low
2 m:2-5 W2-3.5 W1.5 W500 mW15 mW
70 cm:2-5 W2-3.5 W1.5 W500 mW15 mW

The high and low3 power settings depend on voltage / battery pack.
Modulation system:Variable reatance frequency modulation
FM deviation:5 KHz
Spurious emissions:Less than -60 dB
Microphone impedance/connector:2 Kohm / 3-conductor (2.5 mm)
Microphone input sensitivity:? mV




MISCELLANEOUS
Manufactured:Japan, 1992-199x (Discontinued)
Additional info:
Related documents:User manual (5.9 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-B270A
HM-9
HM-30
HM-46
HM-54
HM-55A
HM-75
HS-51
LC-105
LC-106
OPC-288L
SP-13
UT-63
Battery charge adapter
Battery pack adapter
Wall charger. 12 VDC, 100 mA
Wall charger. 12 VDC, 100 mA (For 220 VAC)
Wall charger. 12 VDC, 100 mA
Wall charger. 12 VDC, 100 mA
Desktop rapid 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
Cigarette lighter cable with noise filter
Dual band flexible antenna
Speaker-microphone
Mounting bracket
Speaker-microphone
Speaker-microphone
Speaker-microphone with DTMF keypad
Speaker-microphone with remote control buttons
Headset with VOX & PTT
Carrying case, for use with BP-130, BP-131 & BP-157
Carrying case, for use with BP-132
DC power cable
Earphone
CTCSS/PL unit