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IC-R20

Communications Receiver

specifications

Specifications

General

Frequency coverage

 
France
 
Dualwatch VFO A
Dualwatch VFO B

0.150–1304.999, 1305.000–3304.999MH*
*Cellular blocked in the U.S.A. version.
0.150–29.999, 50.2–51.2, 87.5–108, 144–146,
430–440, 1240–1300MHz
0.150–469.999MHz (LSB, USB, CW, AM, FM, WFM modes)
118–174.999, 330–1304.999MHz (AM, FM, WFM modes)
Mode LSB*, USB*, CW*, AM, FM, WFM
* 0.150-469.999MHz
No. of memory channels 1250
(1000 regular, 50 scan edges and 200 auto memory write)
Usable temperature range

-10°C to +60°C ;

+14°F to +140°F

Tuning steps 0.01, 0.1, 5, 6.25, 8.33*, 9*, 10, 12.5, 15, 20, 25, 30, 50, 100kHz
* Selectable depending on operating bands.
Battery requirement BP-206 or 3 × AA (R6) alkaline cells
External power supply 6.0V DC ±5% (with BC-149A/D, CP-18A/E)

Current drain (at 3.7V DC)

(Single receive, IC rec OFF)

Rated audio 150mA typ. (Backlight off)
Standby 100mA typ. (Backlight off)
Power save 35mA typ. (duty=1:4)
Antenna impedance 50Ω (BNC)
Dimensions

60(W)×142(H)×34.8(D) mm;

23/8(W)×519/32(H)×13/8(D) in

Weight (approx.) 320g; 11.3oz (With antenna and BP-206)
Receiver
Receiver system Triple conversion superheterodyne + down converter

Intermediate frequencies

1st 

 

2nd

3rd

 

266.7 MHz

429.1 MHz

19.65 MHz

450 kHz

Sensitivity

FM (12dB SINAD) 

 

 

 

 

 

 

WFM (12dB SINAD) 

 

 

 

 

AM (10dB S/N)

 

 

 

SSB, CW 10dB S/N)

(except spurious points; single receive)

1.620– 4.999MHz 0.56μV
5.000– 221.999MHz 0.4μV
330.000– 832.999MHz 0.56μV
833.000– 1304.999MHz 0.71μV
1330.000–2304.999MHz 5.6μV
2330.000– 2999.999MHz 18μV
   
76.000– 108.000MHz 1.8μV
175.000– 221.999MHz 1.8μV
470.000– 769.999MHz 2.5μV
   
0.495– 4.999MHz 2.2μV
5.000– 29.999MHz 1.4μV
118.000– 135.999MHz 1.4μV
   
0.495– 4.999MHz 0.4μV
5.000– 29.999MHz 0.25μV
50.000– 53.999MHz 0.25μV
118.000– 146.999MHz 0.25μV
330.000– 469.999MHz 0.32μV

Selectivity

SSB, CW

AM, FM

 

WFM

 

More than 1.8kHz/–6dB

More than 12kHz/–6dB

Less than 30kHz/–60dB

More than 150kHz/–6dB

AF output power (at 3.7V DC) 100mW typ. at 10% distortion with an 8Ω load
External SP connector 3-conductor 3.5 (d) mm (1⁄8″) /8Ω

All stated specifications are subject to change without notice or obligation.

Supplied accessories

  • BP-206*
  • BC-149A/D*
  • MB-98
  • Handstrap
  • Antenna

  *depending on version

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