SPECIFICATIONS

 

 

 

 

 

 

1 4 4 M H z

4 4 0 / 4 3 0 M H z

GENERAL

 

 

b a n d

b a n d

 

 

 

 

 

 

 

 

 

 

 

 

 

U.S.A.

Version

 

 

 

 

 

FREQUENCY

 

 

 

 

 

 

 

 

RANGE (MHz)

 

U.K.and Europe

 

144 to 146

430 to 440

 

 

 

Other

market

 

144 to 148

430 to 440

 

 

 

 

or 438 to 450

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F3E

(FM)

ANTENNA IMPEDANCE

 

 

 

 

 

 

OPERATING TEMPERATURE

 

 

 

 

 

POWER

 

 

 

 

 

 

 

 

 

REQUIREMENTS

BATTERY PACK

 

 

 

 

 

 

 

 

 

 

 

 

CURRENT DRAIN

 

 

Approx.

Approx.

Transmit

mode(13.8VDC)

H

 

1.4A

1.5A

Transmit

mode(13.8VDC)

L

 

0.5A

0.6A

Transmit

mode(13.8VDC)

EL

 

120mA

150mA

SIMPLEX

 

 

 

 

 

 

 

 

 

Receive mode with no signal

 

60mA

65mA

SIMPLEX

Battery Save mode

 

10mA

12mA

DUPLEX

 

 

 

 

 

 

 

 

 

Receive mode with no signal

 

110mA

110mA

DUPLEX

Battery Save mode

 

20mA

20mA

 

 

 

 

 

 

 

 

 

 

GROUND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

49.5 X 134

X 41 m m

 

DIMENSION ( Projection Included )

61.4 x 149.5 x 42mm

WEIGHT (Transceiver only)

270g

 

 

MICROPHONE INPEDANCE

 

 

 

TRANSMITTER

OUTPUT

 

 

more than 5W

 

 

H (7.5VDC)

Approx.

2W

 

 

POWER

 

 

 

 

 

 

 

 

 

L

Approx.

0.5W

 

 

 

 

 

 

E L

Approx. 20mW

Approx. 10mW

 

 

 

 

I

Reactance

I

 

MAX. FREQUENCY DEVIATION

 

 

 

 

 

 

 

 

 

 

 

SPURIOUS RADIATION

 

less than -6OdB

 

 

RECEIVER

 

CIRCUITRY

 

double conversion

 

 

superheterodyne

 

 

 

 

 

 

 

 

 

 

 

INTERMEDIATE FREQUENCY 1 ST IF

45.05MHz

58.525MHz

 

INTERMEDIATE FREQUENCY 2 ND IF

455 k H z

 

 

 

 

less than

less than

 

SENSITIVITY (12dB SINAD)

 

 

 

 

 

 

 

 

SQUELCH

SENSITIVITY

 

 

 

SELECTIVITY - 6dB

more than 12kHz

 

SELECTIVITY - 60B

less than 28kHz

 

AUDIO OUTPUT POWER

More than 200 mW

 

(10 %

distortion)

 

 

NOTES:

1.

Circuit and ratings are subject to change without notice,

 

 

 

due to development in technology.

 

2.Recommended duty cycle : 1 minute Transmission, 3 minutes Reception

68

Page 66
Image 66
Kenwood TH78E, TH-78A instruction manual Specifications, General

TH78E, TH-78A specifications

The Kenwood TH-78A and TH-78E are dual-band handheld transceivers that have earned a reputation for their advanced features and reliable performance in the amateur radio community. These transceivers are designed to operate on both the VHF and UHF bands, making them versatile tools for communication across different frequencies.

One of the standout features of the TH-78A and TH-78E is their dual receive capability, which allows operators to monitor two frequencies simultaneously. This is particularly useful for those who need to keep track of multiple communication channels, providing flexibility during operations. The transceivers also support a wide frequency range, ensuring compatibility with a diverse array of communication channels.

Both models are equipped with a large, easy-to-read display that enhances readability even in low-light conditions. The display provides essential information, such as frequency, channel, and battery status, ensuring operators can quickly access important data while on the move. An adjustable backlight further aids visibility in dark environments, making these radios a reliable choice for night operations.

The Kenwood TH-78A and TH-78E are known for their robust audio performance. They utilize advanced audio processing technology that enhances sound clarity, allowing for clear communication even in noisy environments. Additionally, the transceivers support a variety of digital modes, including CTCSS and DCS, which enable users to communicate securely by encoding their transmissions.

With a built-in 1000 memory channels, users can store and easily access their favorite frequencies. This extensive memory capability simplifies the task of switching between channels, making it easier for amateur radio enthusiasts to program and manage their communications. Furthermore, the radios feature programmable function keys that allow users to customize frequently used settings for quick access.

The TH-78A and TH-78E also come with a built-in GPS receiver, which is particularly beneficial for outdoor activities and emergency communications. The GPS functionality allows users to transmit their location coordinates, making it easier for others to locate them in case of emergencies.

In conclusion, the Kenwood TH-78A and TH-78E are powerful and versatile handheld transceivers that cater to amateur radio enthusiasts and professionals alike. Their dual-band operation, dual receive capabilities, comprehensive memory options, and advanced audio performance make these radios suitable for various communication needs. Whether for casual use or emergency situations, the TH-78 series remains a reliable choice for effective and efficient communication.