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19

Specifications 

Transmitter

Frequency Coverage ......................................................  152.255–156.250 MHz

Frequency Tolerance ............................................................................  ±1.5 kHz

Type of Modulation ........................................................................................  FM

RF Power  ........................................................................................... 1 W (high)

0.6 W (low)

Deviation  .................................................................................................  ±5 kHz

Spurious Rejection  ....................................................................................  45 dB

Minimum Operating Voltage .................................................................. 6.5 Volts

Current Drain ...........................................................  500 mA (high power mode)

Receiver

Sensitivity (SINAD 12 dB)  ........................................................................  0.5 

µ

V

Signal-to-Noise Ratio (20 dB)  ................................................................. . 1.0 

µ

V

AF Power Output ...................................................................................  250 mW

Adjacent Channel Rejection ......................................................................  50 dB

Squelch Sensitivity (Start)  ........................................................................  0.5 

µ

V

Stop Voltage  .......................................................................................... 6.5 Volts

Distortion (1 mV Input, 3 kHz Deviation)  ...................................................... . 5%

General

Power Requirements ......................................................................  8.4 Volts DC

Antenna Length ................................................................................ 5

7

/8 Inches

(150 mm)

Dimensions (HWD)  ....................................................  2

1

/2 

×

 1

1

/2 

×

 6

1

/3 Inches

(65 

×

 35 

×

 160 mm)

Weight  ..................................................................................................... 15.5 oz

(439 g)

Specifications are typical; individual units might vary. Specifications are subject
to change and improvement without notice.

Содержание BTX-123

Страница 1: ...Cat No 19 1204 OWNER S MANUAL Please read before using this equipment BTX 123 Business Band Transceiver...

Страница 2: ...range or low to save battery power Built In Modulation Limiter Circuit automatically adjusts for a wide va riety of voice levels to ensure an un derstandable transmission 3 Color Receive Transmit Bat...

Страница 3: ...enna 8 Connecting an Optional Antenna 9 Connecting an Earphone or Headphones 9 Listening Safely 10 Traffic Safety 10 Connecting an Extension Speaker 10 Using the Belt Clip 10 Using an External Speaker...

Страница 4: ...es and Regulations It is the user s responsibility to see that this unit is operating at all times in accordance with the FCC Rules and Regulations Apply for a frequency through the PCIA unless you ar...

Страница 5: ...for the commercial use of your business and only when other commercial channels such as the telephone are either not available or not practi cal You must always yield the oper ating frequency to commu...

Страница 6: ...e or would change the frequency determining method are strictly prohibited Replacement or substitution of crys tals transistors ICs regulator di odes or any other component that is of a unique nature...

Страница 7: ...takes about 14 16 hours to recharge a battery pack that is fully dis charged You can charge the battery pack while it is installed or removed Cautions Do not use the transceiver while you are chargin...

Страница 8: ...transceiver until the BUSY TX BATT indicator on the front of the trans ceiver lights yellow when you press PUSH TO TALK Then fully charge the battery pack Important At the end of a recharge able batte...

Страница 9: ...use RG 8 low loss di electric coaxial cable If your anten na s cable does not have a BNC connector you will also need a BNC adapter available at your local Ra dioShack store Follow the installation i...

Страница 10: ...or near traffic Doing so can create a traffic hazard and could be illegal in some areas If you use an earphone or head phones with your transceiver while riding a bicycle be very careful Do not liste...

Страница 11: ...om your local Ra dioShack store for Channel B or as replacements for Channel A Be sure to specify the transceiver s cat alog number 19 1204 Important Channel A crystals are soldered in and can only be...

Страница 12: ...ks to expose both jacks Caution PUSH TO TALK on the side of the transceiver is under spring tension and it might come loose when you remove the back cover in the next step To avoid losing PUSH TO TALK...

Страница 13: ...Frequency 8 Receive Crystal Operating Frequency 10 7 MHz 4 For example to transmit and re ceive on 151 455 MHz specify a transmit crystal of 18 931875 151 455 MHz 8 and a receive crystal of 35 18875...

Страница 14: ...front of the transceiver lights green when the trans ceiver receives a transmis sion If the transceiver picks up unwanted partial or very weak transmissions turn SQUELCH clockwise to decrease the tra...

Страница 15: ...3 inches from your mouth Hold down PUSH TO TALK and speak into the microphone on the front of the transceiver in a normal voice The BUSY TX BATT indicator on the front of the transceiver lights red w...

Страница 16: ...smitted signals and if they contain metal might com pletely block them Trees and heavy cloud formations have a similar ef fect though not as severe If you are near a lake or the ocean you might get ex...

Страница 17: ...the transceiver see Installing Removing the Battery Pack on Page 7 The battery pack is not charged Charge the battery pack see Charging the Bat tery Pack on Page 7 Be sure the adapter is plugged into...

Страница 18: ...he transceiver only in normal temperature environ ments Temperature extremes can shorten the life of electronic de vices damage batteries and distort or melt plastic parts Keep the transceiver away fr...

Страница 19: ...ity SINAD 12 dB 0 5 V Signal to Noise Ratio 20 dB 1 0 V AF Power Output 250 mW Adjacent Channel Rejection 50 dB Squelch Sensitivity Start 0 5 V Stop Voltage 6 5 Volts Distortion 1 mV Input 3 kHz Devia...

Страница 20: ...ONTAINED HEREIN EXCEPT AS PROVIDED HEREIN RadioShack SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY LIABILITY LOSS OR DAM AGE CAUSED DIRECTLY O...

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