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Last modified 2024-09-24

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Jotron Tron TR-20 GMDSS

A picture of Jotron Tron TR-20 GMDSS

SPECIFICATIONS

GENERAL
Type:Marine VHF transceiver
Frequency range: TX: 156.300-156.875 MHz
RX: 156.300-156.875 MHz
Tuning steps:Channelized
Frequency stability:? ppm
Mode:FM
Channels / memory management: 21 regular
20 optional
Duplex shift / offset:No
Power supply:7-9 VDC
Current drain / power consumption:RX: ? mA
TX: Max ? A
Antenna impedance / connector:50 ohm / SMA
Dimensions (W*H*D):62*160*41 mm (2.44*6.3*1.61")
Weight:350 g (12.4 oz), with lithium battery
420 g (14.8 oz), with NiMH battery
Other features:Channel 16 button. Dual/triwatch.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: ? MHz
2nd IF: ? KHz
Sensitivity:Better than 1 uV (20 dB SINAD)
Squelch sensitivity:
Selectivity:70 dB (Adjacent channel)
Image rejection:
AF output power / speaker:? mW at ?% distortion / ? ohm
External speaker connector:




TRANSMITTER SECTION
RF output power: High: 2 W
Low: 1 W
Modulation system:
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Less than 0.25 uW
Microphone impedance / connector:? ohm / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:2003-2017 (Discontinued)
Additional info:
Related documents:User manual (3.7 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
80059
80060
80080
80081
80082
80083
80084
80364
81719
84101
99920 (RCH-20)
NiMH battery pack. 7.2 V, 1500 mAh
Non-rechargeable lithium battery. 9 V, 2900 mAh
AC adapter (Europe)
AC adapter (UK)
AC adapter (USA)
Wrist strap
DC cable for 99920 (12-24 VDC operation)
Carrier case
DC cable for 99920 (With cigarette lighter plug)
Spare antenna
Dual slot rapid charger