TWO-WAY RADIO TELEPHONE

Two-way Radiotelephone JHS-7

JRC TWO-WAY VHF RADIOTELEPHONE JHS-7

 Features

   Thirteen Operating Channels

   Heavy Duty Design

   Single-Handed Operation

   Mechanical Ruggedness

   Watertightness

   Sunlight resistance

   Low Power Consumption

   High Reliability

 

Specifications

 

GENERAL

Standard

IMO Res.A.569(14), A.605(15);
Radio Regulations Appendices 18 and 19

Operating channels

CH 16 (156.800 MHz)
CH 6 (156.300 MHz)
CH 13 (156.650 MHz)
CH 15 (156.750 MHz)
CH 17 (156.850 MHz)
CH 67 (156.375 MHz)

Optional channles

Seven simplex channels selectable form a range of 156.300 to 156.875 MHz

Channel spacing:

25 kHz

Channel selection

CH 16 - by one-touch selector switch
Other CHs - by a rotary dial knob

Local oscillator

PLL frequency synthesizer

Frequency stability

Within 10 ppm (TX)

Communication mode

Simplex

Class of emission

G3E/F3E

Type of antenna

Vertical, omnidirectional type integrated antenna

Operating time

More than 8 hours at the duty cycle of 1:9

Integrated battery

7.2 VDC, 1000 mAH

Operating temperature

-20degC to +55degC

TRANSMITTER

Effective radiated power:

0.25 to one watt

Type of modulation

Variable reactance frequency modulation

Frequency deviation

±5 kHz max.

Pre-emphasis

6dB (+1 dB, -3 dB)/octave

AF harmonic distortion

Better than 10%

RECEIVER

Receiving system

Double superheterodyne

AF output power

200mW or more at 10% THD

De-emphasis

-6 dB (+1 dB -3 dB)/octave

Maximum usable sensitivity

+6 dBuV or less (20 dB noise quieting)

Selectivity

12kHz or more at 6dB attenuation
25kHz or less at 70dB attenuation

Frequency Satbility

Better than 0.001%

Spurious response rejection

70 dB or more

Intermodulation response

70 dB or more

Blocking

90 dBuV or more

HOME
TEL
TEL
CONTACT