Channels

40 channels

Frequency Range

26.965 MHz to 27.405 MHz

Frequency Control

PLL controlled synthesizer

Operating Temperature Range

-22ºF to +122ºF (-30ºC to +50 ºC)

Power Requirements

13.8VDC (12-16 VOLTS DC, negative or positive ground)

Antenna

50-ohm (coaxial connector)

Microphone

600-ohm dynamic type

Internal Speaker

16-ohm 5 watts

Dimensions

1-5/8" x 5-1/2" x 6-5/8"(HWD)(4Omm x 140mm x 170mm) Weight 1.9lbs (0.86kg)

Items

Unit

Nominal

 Limit

Frequency Tolerance at 77ºF (25ºC), 13.8 V

 %

± 0.0005

 ± 0.003

RF Power Output

 W

4

3.6 to 4.4

AMC Range: 50% to 100% Modulation

dB

45

35

Modulation Frequency Response:

Lower Freq. 450 Hz

dB

-6

-6 ±3

Upper Freq. 2,500 Hz

dB

-6

-6 ±3

Microphone Sensitivity at 1 kHz 50% Mod.

mV

1

2

Modulation Distortion at 1 kHz 80% Mod.

3

8

RF Power Output Uniformity: CH to CH

W

0.2

0.5

Current Drain: at no modulation

mA

950

1200

at 80% modulation

mA

1550

2000

Modulation 100% Capability

 %

95/95

80/85

RF Power Output at 12 V

 W

2.7

2.2

Modulation Attack Time

mSec

20

25

Modulation Release Time

mSec

250

100to500

AWI Indicator, Antenna Open and Short

Light

ON

Items

Unit

Nominal

Limit

Maximum Sensitivity

uV

0.3

0.5

Sensitivity for 10 dB S/N

uV

0.5

1

AGC Figure of Merit 50 mV

dB

90

80

Overload AGC 50 mV to 1V

dB

+4

-2to+8

Threshold Squelch Sensitivity

uV

0.5

1

Tight Squelch Sensitivity

uV

1000

355 to 2820

Adjacent Channel Selectivity at ±10 kHz

dB

70

60

Spurious Rejection Ratio

dB

60

50

Image Rejection Ratio: - 900 kHz

dB

60

50

-21.384MHz

dB

90

70

IF Rejection Ratio: 10.692 MHz

dB

65

55

450kHz

dB

100

85

Cross Modulation

dB

60

50

Desensitization (3 dB Desensi) at 100 uV

dB

60

55

Audio Power Output: Maximum

W

5

4

10%THD

W

4

3

Audio Frequency Response: Lower Freq. 450 Hz

dB

-6

-6 ±3

Upper Freq. 2,500 Hz

dB

-6

-6 ±3

THD at 500mW Audio Output: Input 1mV 30% Mod.

%

2

4

50%Mod.

%

4

6

80%Mod.

%

6

8

Signal to Noise Ratio at 1000 uV

dB

45

35

RF Gain Control Range

dB

40

30

S-Meter Sensitivity at "4th" digit (no modulation)

uV

50

20 to 100

Oscillator on Voltage

V

7

10

Current Drain: at no Signal

mA

250

600

At Max. AF Output

mA

800

1500

1/2 IF Rejection Ratio (2nd IF)

dB

60

50

Skirt Rejection 20 kHz

dB

80

70

Tone Control Effect at 2 kHz

dB

-8

-8±3

ANL: Level

dB

-3

-6

Pulse

dB

-20

-15

Items

Unit

Nominal

Limit

Microphone Sensitivity for 4W Output Power at 1 kHz

mV

4

10

Power Output: Maximum

W

5

4

10%THD

W

4

3

Audio Frequency Response:

Lower Freq. 450 Hz

dB

-6

-6 ±3

Upper Freq. 2,500 Hz

dB

-6

-6 ±3

Current Drain: at no signal

mA

300

700

At Max. AF output

mA

1000

1500