Cobra 29 LX BT Operating Instructions - Page 23

Frequency Ranges 29 LX BT Specifications The Cobra 29 LX BT transceiver represents one of the most advanced AM two-way radios used as a Class D station in the Citizens Radio Service. This unit features advanced Phase Lock Loop (PLL) circuitry providing complete coverage of all 40 CB channels. Channel Channel CB Freq. CB Freq. WX Freq. Channel In MHz Channel In MHz Channel In MHz 1 26.965 21 27.215 1 162.550 2 26.975 22 27.225 2 162.400 3 26.985 23 27.255 3 162.475 4 27.005 24 27.235 4 162.425 5 27.015 25 27.245 5 162.450 6 162.500 6 27.025 26 27.265 7 162.525 7 27.035 27 27.275 8 161.650 8 27.055 28 27.285 9 161.775 9 27.065 29 27.295 10 163.275 10 27.075 30 27.305 11 27.085 31 27.315 12 27.105 32 27.325 13 27.115 33 27.335 14 27.125 34 27.345 15 27.135 35 27.355 16 27.155 36 27.365 17 27.165 37 27.375 18 27.175 38 27.385 19 27.185 39 27.395 20 27.205 40 27.405 40 GENERAL CHANNELS CB - 40 CH FREQUENCY RANGE CB - 26.965 TO 27.405 MHZ WX - 162.400 TO 162.775 MHZ FREQUENCY TOLERANCE 0.005 % FREQUENCY CONTROL PLL (PHASE LOCK LOOP) SYNTHESIZER OPERATING TEMPERATURE RANGE -30° C TO + 50° C MICROPHONE Plug-in dynamic INPUT VOLTAGE 13.2VDC nom. (positive or negative ground) Current Drain Transmit: AM full mod., 1.5A (maximum) Receive: Squelched, 0.3A; full audio output, 1.2A (nominal) Size 8-5/8" D x 7-9/32" W x 2-13/63" H Weight 4 lbs. Antenna Connector UHF; SO-239 Meter Indicates relative power output received signal strength, and vswr TRANSMITTER Power Output 4 watts Modulation AM (Amplitude Modulation) Frequency Response 300 to 3000 Hz Output Impedance 50 ohms, unbalanced RECEIVER Sensitivity Less than 1 µV for 10 dB (S+N) /N Selectivity 6 dB @ 7 KHz, 60 dB @ 10KHz Image Rejection 80 dB, typical Adjacent-Channel Rejection 60 dB, typical IF Frequencies Double Conversion: 1st: 10.695 MHz 2nd: 455 KHz Automatic Gain Control (AGC Less than 10 dB change in audio output for inputs from 10 to 50,000 microvolts RF Gain range 40 db Noise Blanker RF type Squelch Adjustable; threshold less than 1µV Audio Output Power 4 watts Frequency Response 300 to 3000 Hz Distortion Less than 7% @3 watts @ 1000 Hz Built-in Speaker 8 ohms, 5w External Speaker (Not supplied 8 ohms; disables internal speaker when connected PA SYSTEM Power Output 4 watts into external speaker External Speaker for PA 8 ohms 4 Watts min. (Not Supplied the PA speaker also monitors the receiver; separate jack provided (SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE) 41