Icom IC-W21AT (IC W21 AT ICW21AT) transceiver mods reviews software and diagrams
   
 
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Propagation:
  Sporadic E skip (Es)
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Icom IC-W21AT (IC W21 AT ICW21AT)
IC-W21AT
Programming interface schematics for Icom:
Programming software for Icom IC-W21AT (IC W21 AT ICW21AT) :
PDF User Manual for Icom IC-W21AT (IC W21 AT ICW21AT) :
PDF Service Manual with schematics for Icom IC-W21AT (IC W21 AT ICW21AT) :

Icom IC-W21AT (IC W21 AT ICW21AT) technical specifications :  Icom IC-W21AT (IC W21 AT ICW21AT) technical specifications



Type:Amateur VHF/UHF transceiver
Frequency range:TX: 144-148 / 440-450 MHz
RX: 100-995 MHz
Mode:TX: FM
RX: AM/FM
RF Power output:Hi: 5/5 W (depending on voltage)
Lo3: 3.5 W
Lo2: 1.5 W
Lo1: 0.5
El: 15 mW
Sensitivity:N/A
Selectivity:N/A
Image rejection:N/A
Voltage:7.2-12 VDC
Current drain:RX: 15-150 mA
TX: Max 2.4 A
Impedance:50 ohms, BNC
Dimensions (W*H*D):57*169*32 mm
Weight:440 gr (depending on battery type)
Manufactured:1992-19xx
Other:CTCSS. Keyboard. Cross band repeater function. Twin RX

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