Midland Radio 77-255ESP manual Technical Specifications General

Page 10

TECHNICAL SPECIFICATIONS

GENERAL

Frequency range

 

26.965-27.405 MHz

Channels

 

 

40

Modulation type

 

AM

Antenna impedance

 

50 Ohm

Loudspeaker

 

8 Ohm

Microphone

 

Electret

Power Supply

 

13.8 VDC negative ground

RECEIVER ( CB, 26.965-27.405 MHz )

 

 

Sensitivity at 10db S/N

 

0.6 uV

Selectivity

.............................................................................................

 

 

6 db @ 5 Khz

Squelch range

 

0.5 uV-500 uV

Audio output power

 

3.0 W @ 8 Ohm ( 10% distortion)

Distortion at 1000 mV

3%

Audio frequency response

 

400-2400 Hz

Intermediate frequency

 

I ° 10.695 MHz II ° 455 Khz

Spurious response

 

.............more than 45 db

TRANSMITTER

 

 

 

RF Output Power

 

4.0 W

Frequency Tolerance

0.005%

Harmonic Suppression

 

More than 60 db

Modulation

 

AM 90% ( ± 5%)

SPECIFICATION - WEATHER RECEIVER

CHANNELS

05

162.450

 

00

163.275

 

 

01

162.550

 

06

162.500

 

02

162.400

 

07

162.525

 

03

162.475

 

08

161.650

 

04

162.425

 

09

161.775

 

Sensitivity _________________________________1.0 uV for 20 db

Audio Power _______________________________3.0 W

Audio Load ________________________________8 ohms

Intermediate Frequency ______________________455 Khz

10

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Contents Page How to install your Midland mobile CB Power wiring negative ground only Where to locate your CB transceiverMechanical mounting Installation of microphone hanger Mounting the main unitWhere you locate your antenna does make a difference Antenna installationTuning your antenna 77-255ESPFront Panel Controls Back Panel HOW to Operate Your Transceiver for CB USE Technical Specifications General Midland