4-Wat 40 Channel CB Base/Mobile Transceiver 
(310-2081)                 Specifications             Faxback Doc. # 38101

General Specifications

Transmitter                                     PLL Frequency Synthesizer
                                                     Amplitude Modulation
Receiver                                        PLL Frequency Synthesizer
                                                 double heterodyne system
Communicating frequencies                                 CB, 40 channels
Operating Voltage                                    100-130VAC/11-16 VDC
                                            (positive or negative ground)
Transmitter/Receiver switching                                 Electronic

Standard Test Conditions

Supply Voltage                                         13.8VDC or 120VAC
Modulation                                                    1 kHz, 30%
Audio Output Power                                                500 mW
Audio Output Load                                                 8 ohms
Antenna Impedance                           50 Ohms (non-inductive load)
Measurement channel                                           Channel 18
Ambient Temperature                         25 degrees C +/- 5 degrees C

Receiver Specifications (1 microV=0dB)
Frequency Tolerance                                 Nominal +/- 1000 Hz
                                                     Limit  +/- 1350 Hz
Intermediate Frequency (1st)                                  9.785 MHz
                       (2nd)                        455 kHz +/- 1.5 kHz
Sensitivity for standard output (500 mW)             Nominal 0.3 microV
                                                       Limit 0.5 microV
Sensitivity for 10 dB S+N/N                          Nominal 0.5 microV
                                                       Limit 1.0 microV
AGC Figure of Merit (RF Input 10 mV AF -10 dB)            Nominal 86 dB
                                                            Limit 80 dB
Bandwidth at -6 dB                                        Nominal 6 kHz
                                                      Limit 3.5 - 8 kHz
Adjacent Channel Rejection at +/- 10 kHz                  Nominal 70 dB
                                                            Limit 60 dB
Overload Signal for 10% Distortion                       Nominal >50 mV
                                                           Limit >50 mV
Audio Power Output at 10% Distortion (RF input 1 mV)       Nominal 3.5W
                                                             Limit 3.0W
Distortion at Standard Output (RF input 1 mW)               Nominal 2 %
                                                              Limit 4 %
Battery Drain at no signal                               Nominal 250 mA
                                                           Limit 350 mA
Fidelity (RF input 1 mV, 1kHz 0dB reference) at 450 Hz    Nominal -6 dB
                                                        Limit -6 +/-3dB
Fidelity (RF input 1 mV, 1kHz 0dB reference) at 2500 Hz   Nominal -6 dB
                                                        Limit -6 +/-3dB
Squelch Sensitivity                                  Nominal 0.5 microV
                                                       Limit 1.0 microV
Squelch Sensitivity at the deepest point            Nominal 1000 microV
                                                  Limit 500-2000 microV
Image Rejection at 1st IF/2nd IF                       Nominal 76/60 dB
                                                         Limit 60/50 dB
S/N Ratio at 1mV input                                    Nominal 40 dB
                                                            Limit 35 dB
"S" Meter Sensitivity for "S9"                       Nominal 100 microV
                                                    Limit 50-200 microV
Delta Tune                                              Nominal 1000 Hz
                                                      Limit 700-1500 Hz
Conducted Receiver Radiation                              Limit 2000 pW
Cross Modulation                                          Nominal 60 dB
                                                            Limit 50 dB
Spurious Response                                        Nominal -70 dB
                                                           Limit -60 dB

Transmitter Specifications
Frequency Tolerance                                 Nominal +/- 1000 Hz
                                                      Limit +/- 1350 Hz
RF Power Output at no modulation                  Nominal 3.8W (4W max)
                                                            Limit 3.5 W
RF Power Output at 100% modulation                      up or no change
Conducted Spurious Suppression (worst value)             Nominal -65 dB
                                                          Limit 8 Watts
Modulation Capability                               Nominal +95 % -100%
                                                   Limit +80%-<+/- 100%
Battery Drain at no modulation                           Nominal 110 mA
                                                          Limit 1400 mA
Battery Drain at 100% modulation                        Nominal 1600 mA
                                                          Limit 1900 mA
Microphone Sensitivity at 50%, 1kHz modulation           Nominal 0.5 mV
                                                              Limit 1mV

Public Address Specifications
Maximum Output Power (DC/AC) with 10mV input               Nominal 5.0W
                                                             Limit 4.0W
10% THD Output Power (DC/AC) with 10mV input               Nominal 4.0W
                                                             Limit 3.5W
(10/08/96)