Kenwood TH-K20A 144MHz FM Transceiver

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Kenwood TH-K20A 144MHz FM Transceiver

Boasting 5.5 watts of RF output, Kenwood’s new TH-K20A radio is powerful. Despite being small enough to fit comfortably in the palm, it offers full-size performance and numerous features to ensure superb operating ease. Both display and keypad are backlit for nighttime use, and for added convenience everyday functions are pre-programmed to 11 keys with an additional PF key that can be assigned with a custom function. Plus, its construction is rugged enough to stand up to the worst weather. Inside and out, the TH-K20A is fully equipped for clear communications – wherever and whenever needed.

Features

Conveniently Compact, Reliably Robust

• This radio is remarkably light (just 7.4 oz or 210 g) and thin (2.13 inches or 54 mm). Yet there is no compromise on construction: it meets or exceeds the stringent IP54 dust and water intrusion standards as well as the MILSTD 810 C, D, E, F & G environmental standards, making it rugged enough for demanding outdoor use in bad weather.

High Sound Pressure for Audio Clarity

• Another feature that sets the TH-K20A apart is sound: it benefits from the audio expertise for which Kenwood is renowned. High sound pressure – which is not the same as volume – delivers a clarity that is unmistakable. Just listen once and you will appreciate what a difference it makes.

200 Channels with 6-Digit Memory Name

• The TH-K20A has 200 memory channels – with a 6-digit Memory Name function to enable clear identification – plus 6 program scan memories, 1 call channel and 1 priority channel.

Li-ion Battery & Cradle Charger

• This radio is supplied with a rechargeable Lithium-ion battery plus a convenient cradle charger.

Weather Alert/RX/Channel Scan (US only)

• In addition to reception of the NOAA Weather Radio (10ch), this transceiver can notify you of emergency transmissions such as storm warnings with an audible alert.

Specifications

GENERAL
		TH-K20A
Frequency Range	TX	144 – 148 MHz
	RX	136 – 174 MHz
Mode		F3E, F2D
Antenna Impedance		50 Ω
Operation Temperature Range		-4°F ~ +140°F (-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)	with KNB-63L	6 High /  8.5 Mid / 10.5 Low
	with BT-16	6 High /  8 Mid / 10 Low
Dimensions (W x H x D), Projections not included	Radio Only	2.13 x 4.40 x 0.57 in (54 x 111.7 x 14.4 mm)
	with KNB-63L	2.13 x 4.40 x 1.00 in (54 x 111.7 x 25.3 mm)
Weight	Radio Only	approx. 4.86 oz (138 g)
	with KNB-63L	approx. 7.40 oz (210 g)
TRANSMITTER
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)
RECEIVER
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)
DATASHEET		TH-K20A

* Assuming a duty cycle of 6-second transmit, 6-second receive, 48-second standby