AT-5555 CB Radio with CE&RoHS approval

General

Frequency Range

25.615MHZ—30.105MHZ (Programmable)  

Frequency Band

A/B/C/D/E/F

Channel

60 channels (programmable) in each band

Frequency Control

Phase-Locked-Loop Synthesizer

Frequency Step

10Hz  100Hz  1KHz  10KHz

Frequency Tolerance

0.005%

Frequency Stability

0.001%

Temperature Range

-30°Cto +50°C

Microphone

Plug-in dynamic; with push-to-talk /UP/DN/ ASQ switch and coiled cord

Input Voltage

DC 13.8V normal, 15.9V max; 11.7V min Transmit: AM full mod 5A Receiver: Squelched 0.6A  SSB 21W PEP output 6A

Size

28*25*6CM

Weight

2.8KG

Antenna Connector

UHF,SO239

TRANSMITTER

Power Output

AM/FM/CW: 12W    SSB:21W(PEP)

Modulation

High and low level class B    Amplitude Modulation: AM

Varied Capacitance Frequency Modulation: FM

Inter-modulation Distortion

SSB:  3rd order, more than -25dB; 5th order, more than -35dB

SSB Carrier Suppression

55dB

Unwanted Sideband

50dB

Frequency Response

AM and FM: 450 to 2500HZ

Saida Impedancia

50ohms, unbalanced

Sensitivity

SSB: 0.25μV for 10dB(S+N)/N at greater than 1/2-watt of audio output.

AM:1.0μV for 10 dB(S+N)/N at greater than 1/2watt of audio output.

FM: 1.0 μV for 20 dB (S+N)/N at greater than 1/2 watt of audio output.

Selectivity

AM/FM:6dB 3KHz,50dB  9KHz

SSB: 6 dB  2.1KHz,60dB  3.3KHz

Image Rejection

More than 65dB

IF Frequency

AM/FM: 10.695 MHz 1st IF, 455 KHz 2nd IF  SSB: 10.695 MHz

Adjacent-Channel

60dB AM/FM &70 dB SSB

Rejection

RF Gain Control

45 dB adjustable for optimum signal reception

Automatic Gain Control(AGC)

Less than 10 dB change in audio output for inputs from 10 to 100,000 microvolt.

Squelch

Adjustable; threshold less than 0.5 μV.

Automatic Squelch Control(only AM/FM) 0.5 μV

ANL

Switchable

Noise Blanker

RF type, effective on AM/FM and SSB

Audio Output Power

4 watts into 8 ohms

Frequency Response

300 to 2800 Hz

Built-in Speaker

8 ohms, round.

External Speaker(Not Supplied)

8 ohms; disables internal speaker when connected.