Cobra Electronics 29 LTD SE specifications Frequency Ranges

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Frequency Ranges

29 LTD SE Specifications

 

 

The COBRA 29 LTD SE 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.

Channel

In MHz

Channel

In MHz

1

26.965

21

27.215

2

26.975

22

27.225

3

26.985

23

27.255

4

27.005

24

27.235

5

27.015

25

27.245

6

27.025

26

27.265

7

27.035

27

27.275

8

27.055

28

27.285

9

27.065

29

27.295

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

GENERAL

 

Channels

CB - 40 CH

Frequency Range

CB - 26.965 to 27.405 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

13.8VDC 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 2-13/64” H

Weight

.4 lbs.

Antenna Connector

.UHF; SO-239

Meter

.Illuminated; 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 Control

.Adjustable for optimum signal reception

Noise Blanker

.RF type

Squelch

.Adjustable;threshold less than 1µV

Audio Output Power

.4 watts

Frequency Response

.300 to 3000 Hz

Distortion

.Less than 5% @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, when PA-CB switch is in PA, (Not Supplied) . . . . . . . . . . . . . . . . . . . . .The PA speaker also monitors the receiver;

separate jack provided

(SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE)

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Contents Antennas ContentsInstallation LocationLocation InstallationMounting and Connection Mounting and ConnectionInstallation Antennas Ignition Noise Interference Marine InstallationCB Antenna CB AntennaSetting Channel Selector Setting Channel SelectorOperation Turning OnCalibrate For SWR Standing Wave Ratio Select channel Switch to the CAL positionCalibrate for SWR Standing Wave Ratio Meter located on the rightTo Receive To ReceiveSelecting a SwitchChannel OFF NoiseRF Gain Control Bright/Dim SwitchBright/Dim Setting Squelch Setting Delta-Tune Setting SquelchSetting Delta-Tune Setting Dynamike Setting DynamikeSetting TalkBack TransmitExternal Speaker RF MeterRF Meter External SpeakerAddress PA PublicBase Station Operation From 120V AC House Current Home And Office Set-Up Temporary Mobile Set-UpTemporary Mobile Set-Up Base Station Operation From 120V AC House CurrentFew Rules You Should Know Channel Emergency Messages How Your CB Can Serve YouCB 10-Codes Standard questions and answers. These codesCB 10-Codes Noisy areas. Following are some of the moreFrequency Ranges For Products Purchased in the U.S.A Limited One Year Warranty Optional AccessoriesFor Products Purchased in Canada Optional Accessories CB transceiver If You Think YouNeed ServiceCB Story Automated Help Desk Customer SupportOrdering from Canada Ordering from U.S.A