Kenwood TH-K20AK

5.5W VHF

2 Meter Amature Radio

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SKU: 11289509 Category:

Frequency Range TX 144 – 148 MHz
RX 136 – 174 MHz
Mode F3E, F2D
Antenna Impedance 50 Ω
Operation Temperature Range -20 °C ~ +60 °C
Operating Voltage DC 6.0 ~ 9.0 V (Standard Voltage DC 7.4 V)
Frequency Stability ±2.5 ppm
Microphone Impedance 2 kΩ
Battery Life* (Figures approximate)   High / Mid / Low
with KNB-63L 6 / 8.5 / 10.5 Hour
with BT-16 6 / 8 / 10 Hours
Dimensions (W x H x D),
Projections not included Radio Only
with KNB-63L 54 x 111.7 x 14.4 mm
54 x 111.7 x 25.3 mm
Weight Radio Only approx. 138 g
with KNB-63L approx. 210 g
RF Power Output High 5.5 W
with BT-16 approx.3.5 W
Mid 2 W
Low 1 W
Modulation Reactance modulation
Maximum Frequency Deviation Within ±5 kHz
Moduration Distortion Less than 5 % (300 Hz ~ 3 kHz)
Circuitry Double super heterodyne
Intermediate Frequency 1st IF: 38.85 MHz / 2nd IF: 450 kHz
Sensitivity (12dB SINAD) Less than 0.16 μV
Squelch Sensitivity Less than 0.13 μV
Selectivity -6 dB More than 10 kHz
-50 dB Less than 28 kHz
Audio Output More than 400 mW (8 Ω / 10 % distortion)

* Assuming a duty cycle of 6-second transmit, 6-second receive, 48-second standby
Specifications are guaranteed for amateur radio bands only. Specifications shown are typical.
Specifications are subject to change without notice, due to advancements in technology.

Applicable MIL-STD & IP

Standard MIL 810C
Procedures MIL 810D
Procedures MIL 810E
Procedures MIL 810F
Procedures MIL 810G
Low Pressure 500.1/Procedure I 500.2/Procedure I, II 500.3/Procedure I, II 500.4/Procedure I, II 500.5/Procedure I, II
High Temperature 501.1/Procedure I, II 501.2/Procedure I, II 501.3/Procedure I, II 501.4/Procedure I, II 501.5/Procedure I, II
Low Temperature 502.1/Procedure I 502.2/Procedure I, II 502.3/Procedure I, II 502.4/Procedure I, II 502.5/Procedure I, II
Temperature Shock 503.1/Procedure I 503.2/Procedure I 503.3/Procedure I 503.4/Procedure I, II 503.5/Procedure I
Solar Radiation 505.1/Procedure I 505.2/Procedure I 505.3/Procedure I 505.4/Procedure I 505.5/Procedure I
Rain 506.1/Procedure II 506.2/Procedure II 506.3/Procedure II 506.4/Procedure III 506.5/Procedure III
Humidity 507.1/Procedure I, II 507.2/Procedure II, III 507.3/Procedure II, III 507.4 507.5/Procedure II
Salt Fog 509.1/Procedure I 509.2/Procedure I 509.3/Procedure I 509.4 509.5
Dust 510.1/Procedure I 510.2/Procedure I 510.3/Procedure I 510.4/Procedure I, III 510.5/Procedure I
Vibration 514.2/Procedure VIII, X 514.3/Procedure I 514.4/Procedure I 514.5/Procedure I 514.6/Procedure I
Shock 516.2/Procedure I, II, V 516.3/Procedure I, IV 516.4/Procedure I, IV 516.5/Procedure I, IV 516.6/Procedure I, IV
International Protection Standard
Dust & Water Protection IP54


– Power On Message
– Time-out Timer
– Priority Scan
– Band Scan, Program Scan, MR Scan, CALL Scan, CTCSS Scan / DCS Scan
– Wide/Narrow Channel Spacing
– Busy Channel Lockout
– Key Lock Type Select
– Battery Save
– SMA Antenna Connector
– Automatic Repeater Offset
– 1750 Hz Tone Access
– Direct Keypad Frequency Entry
– DTMF Autodial Memories (16ch, up to 16 digits)
– Battery Capacity Indicator (on transmit)
– Electronic Serial Number

Weight 0.75 kg



Kenwood Amateur Radio


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