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19

18

CB 

Channel Freq.

CB 

Channel Freq.

Channel

in MHz

Channel

in MHz

1

26.965

2

26.975

3

26.985

4

27.005

5

27.015

6

27.025

7

27.035

8

27.055

9

27.065

10

27.075

11

27.085

12

27.105

13

27.115

14

27.125

15

27.135

16

27.155

17

27.165

18

27.175

19

27.185

20

27.205

21

27.215

22

27.225

23

27.255

24

27.235

25

27.245

26

27.265

27

27.275

28

27.285

29

27.295

30

27.305

31

27.315

32

27.325

33

27.335

34

27.345

35

27.355

36

27.365

37

27.375

38

27.385

39

27.395

40

27.405

HH-36ST SPECIFICATIONS

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 + 65° C

MICROPHONE

ELECTRET, PUSH-TO-TALK

INPUT VOLTAGE 

9V VDC, DETACHABLE
12 VDC, EXTERNAL

ANTENNA CONNECTOR

TYPE BNC

METER

LCD DISPLAY, ICONS

SIZE, WITH 6 CELL BATT. PACK

2

1

/

2

”L x 5

3

/

4

”H X 1

3

/

8

”D 

WEIGHT

9 oz.

TRANSMITTER
POWER OUTPUT

3.5 W AT 9 VDC  - HIGH, 1.0 W IN LOW
4.0 W AT 13.8 VDC - HIGH, 2.0 IN LOW

MODULATION

AM

FREQUENCY RESPONSE

300 - 3000 HZ AT -6 DB

OUTPUT IMPEDANCE

50 OHMS, UNBALANCED

RECEIVER
CB
SENSITIVITY

LESS THAN 1 uV FOR 10 DB S/N

IF FREQUENCY

DUAL CONVERSION
1 ST - 10.690 MHZ, 2ND - 455 KHZ

AUDIO OUTPUT

500 mW MAXIMUM AT 10 % DISTORTION

FREQUENCY RESPONSE

300 - 3000 HZ AT -6 DB

2ND IF IMAGE REJECTION

GREATER THAN 60 DB

ADJACENT CH. REJECTION

50 DB MIN.

AUTOMATIC NOISE LIMITER

BUILT- IN.

FREQUENCY CONTROL 

PLL (PHASE LOCK LOOP)

FREQUENCY RANGE

The COBRA 36ST 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 as shown below.

Summary of Contents for 36ST

Page 1: ... Ingenious Products for Easier Communication Operating instructions for your COBRA ELECTRONICS CORPORATION 6500 W Cortland Street Chicago Illinois 60707 Printed in Thailand Cobra Electronics Corp 1997 Part no 480 197 P 001 3 36 6ST H HH H ...

Page 2: ... same time SoundTracker system dynamically adjusts the relationship between the signal and static commonly referred to as noise This allows Cobra s SoundTracker system to significantly reduce the amount of static on all incoming CB signals The system can be further optimized when two SoundTracker CB s are used to talk to each other The end result is a clearer cleaner sounding reception of signals ...

Page 3: ...5 1 BNC Antenna Connector 2 Squelch Control 3 On Off Volume Control 4 Belt Clip 5 High Low Power 6 Channel Up Key 7 Channel Down Key 8 PTT Push To Talk Key 9 Battery Chamber 10 Charging Jack 11 DC Power Jack 12 LED Display Panel 13 Microphone 14 SoundTracker Switch ...

Page 4: ...dvertising is not allowed on CB Channels because that is broadcasting FCC WARNINGS Replacement or substitution of transistors regular diodes or other parts of a unique nature with parts other than those recommended by Cobra may cause violation of the technical regulations of Part 95 of the FCC Rules or violation of Type Acceptance requirements of Part 2 of the Rules Citizens Band CB Radio operator...

Page 5: ...el SETTING THE SQUELCH Think of your squelch control as a gate for incoming signals If you turn the squelch control fully clockwise you effectively close the gate and no signals will pass through If you turn the squelch control fully counter clockwise you open the gate and all signals come through To achieve the Desired Squelch Setting DSS turn the squelch control counterclockwise until you just h...

Page 6: ...attery life switch the H L power key to the LOW position To return to full power switch the H L power key to the HIGH position Note Reduce power setting reduces the range of your 36ST NI CAD BATTERY RECHARGING Caution Use only the Cobra AC Charger with your 36ST so as to avoid the possi bility of improper charging damage to the batteries the unit or an injury from burn or explosion of the battery ...

Page 7: ...th a SoundTracker CB the noise level is cut by up to 90 which increases the signal to noise ratio and dramatically improves signal clarity This also allows you to significantly reduce the squelch level which greatly expands your listening range On Transmission Strengthens Signals Going Out A SoundTracker CB strengthens the transmit signal by more effectively using the available RF power output of ...

Page 8: ... waste removal authority for instructions DO NOT PUT BATTERIES INTO FIRE OR EXPOSE TO HIGH HEAT THEY MAY EXPLODE IN VEHICLE USE Your 36ST can be connected to a 12 volt power source with the cigarette power cord adapter provided Connect adapter as shown Note Due to the characteristics of CB transmissions it may be difficult to transmit and receive from inside your car Roof mounted antennas can dram...

Page 9: ...tion to find your destination Help law enforcement officers by reporting drunk and reckless drivers Never Used A CB Before WHAT TO EXPECT FROM YOUR NEW COBRA CITIZENS BAND TRANSCEIVER Citizens Band Two Way Radios operate on an AM frequency just like your car radio FIRST When you first use your new CB you should tune to channel 19 At first you may hear what you think is a lot of noise and garble Wh...

Page 10: ...elephone number is 10 85 My address is 10 91 Talk closer to mike 10 93 Check my frequency on this channel 10 94 Please give me a long count 10 99 Mission completed all units secure 10 200 Police needed at Operating Procedure for Emergency Communications 1 For EMERGENCY communications set radio to Ch 9 For non emergency communications select desired Channel by rotating the CHANNEL UP DOWN tuning kn...

Page 11: ...LE 12 VDC EXTERNAL ANTENNA CONNECTOR TYPE BNC METER LCD DISPLAY ICONS SIZE WITH 6 CELL BATT PACK 21 2 L x 53 4 H X 13 8 D WEIGHT 9 oz TRANSMITTER POWER OUTPUT 3 5 W AT 9 VDC HIGH 1 0 W IN LOW 4 0 W AT 13 8 VDC HIGH 2 0 IN LOW MODULATION AM FREQUENCY RESPONSE 300 3000 HZ AT 6 DB OUTPUT IMPEDANCE 50 OHMS UNBALANCED RECEIVER CB SENSITIVITY LESS THAN 1 uV FOR 10 DB S N IF FREQUENCY DUAL CONVERSION 1 S...

Page 12: ...Illinois 60707 If You Think You Need Service Call 773 889 3087 If your product should require factory service please call Cobra first before sending your unit in This will ensure the fastest turnaround time on your repair You may be asked to send your unit to the Cob r a factory It will be necessary to fu r nish the foll owing in order to h a ve the product serviced and returned 1 For Warranty Rep...

Page 13: ...cement DC Power Cord for in vehicle use 420 017 N 001 7 00 High performance NiCad rechargeable battery cell 212 001 N 001 4 00 10 batteries required 120 V A C Wall charger with plug Charges the 10 NiCad batteries CA 25 10 00 BNC SO239 anten na adapter Allows connection of your handheld CB to standard antennas CA 43 5 00 Long Range antenna Doubles the range of your handheld CB CA 41 15 95 Illinois ...

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