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SRG series

Product catalog summary

General Information
The SRG-250/400 is a console type MF/HF DSC radio equipment compliant with the Global Maritime Distress and Safety System (GMDSS). It supports a frequency range for transmission (TX) from 1.6MHz to 27.5MHz and reception (RX) from 1.6MHz to 27.9MHz. The equipment can store up to 2,000 memory channels and operates in simplex and duplex communication modes. It is designed to function in temperatures ranging from -15℃ to +55℃ and can be powered by both AC and DC sources.

Transmitter Specifications
The SRG-250 model outputs 250W, while the SRG-400 outputs 400W. It uses low power level modulation and supports various emission modes including J3E, H3E, F1B, J2B, and A1A. The transmitter includes a 2-tone alarm feature with frequencies of 1300Hz and 2100Hz.

Receiver Specifications
The receiver is a synthesized double super heterodyne type, supporting emission modes such as J3E, H3E, R3E, FQB, J2B, F3C, and A1A. It has an image disturbance rate of more than 70dB and an input impedance of 50 ohms.

DSC Receiver
The DSC receiver operates on frequencies including 2187.5KHz, 4275KHz, 6312KHz, 8414.5KHz, 12577KHz, and 16804.5KHz, with emission modes F1B and J2B. It maintains frequency stability within 10Hz.

NBDP Specifications
The NBDP uses phase sequence AFSK modulation with an intermediate frequency of 1700Hz and a modulation speed of 100BAND. It supports ARQ and FEC modes with a frequency tolerance within 0.5Hz.

Components and Configuration
The equipment set includes MF/HF radio equipment, control part, keyboard, antenna matcher, printer, and necessary cables and spare parts. The printer is a heat-sensitive serial dot type, capable of printing 40 characters in standard size and 80 in small size on paper 112mm wide.

Compliance and Certification
The SRG-250/400 complies with ISO 9002 / KS A 9002 standards, with certificate number QSC92073.

Catalog excerpts

MF/HF DSC RADIO EQUIPMENT Remote control by compact controller The existing communication type(C.W) possible Built-in self-test and easy maintenance owing to module Dual type, operable at indication panel and keyboard

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CONSOLE TYPE(250W/400W) SRG-250(250W) SRG-400(400W) MF/HF DSC RADIO EQUIPMENT SRG-250/400 Type MF/HF Radio Equipment is in compliance with the Global Maritime Distress and Safety System (GMDSS) developed by the International Maritime Organization (IMO) which is designed for automation, SSB, NBDP, DSC and MF/HF Radio Communication Equipment. SPECIFICATIONS ■ General information Frequency range : TX : 1.6MHz ~ 27.5MHz(100Hz STEP) RX : (10Hz STEP) TX/RX channel : Full ITU channels Memory channel : 2,000 channels Frequency tolerance : within 10Hz(within 0.3PPM) Modes of emission : J3E, H3E, F1B,...

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