Samyung SRG-2150DN / 2250DN "it's a professional one GMDSS PV / HF radio Stationdesigned for marine, river and fishing vessels, including small vessels and drilling rigs. This system complies with international standards of ITU, IMO and GMDSS requirements, and also has the approval of the Russian Maritime and River Registers.
Main advantages:
- Output power: 150 W (SRG-2150DN) and 250 W (SRG-2250DN).
- Compact device that includes a transmitter, receiver and a 6-channel DSC watch receiver.
- Large LCD display (10.4"), displaying frequencies, power, and communication parameters.
- Supports up to 300 channels and manual frequency input.
- Scan channels and frequencies.
- Built-in self-diagnosis system for easier maintenance.
Technical specifications:
| Parameter | Meaning |
|---|---|
| Frequency range | TX: 1.6-27.5 MHz (10 Hz step), RX: 0.5–29.9999 MHz (10 Hz step) |
| Operating modes | Simplex, half-duplex |
| Types of modulation | J3E, H3E, F1B |
| Receiver sensitivity | J3E/F1B: ≤3 µV, H3E: ≤6 µV |
| Output power | SRG-2150DN: 150W (J3E), 100W (F1B), 75W (H3E) |
| Food | 24 V DC ±15% (2.5 A receive, up to 25 A transmit) |
| Operating temperature | -15°C to +55°C |
| Overall dimensions | 288×312×166 mm |
Additional features:
- Built-in DSC watch receiver with 6 frequencies (2187,5; 4207,5; 6312; 8414,5; 12577; 16804,5 kHz).
- Storage up to 100 sent and received messages.
- Ability to print messages when the printer is connected.
Additional equipment:
- Telex terminal SN-100, which supports the Cyrillic alphabet.
- SAT-100 antenna matching device.
- Emergency light bulb, external speakers, pin antennas.

