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Samyung ENC
STR-7000A
The Samyung STR-7000A is a fixed-mount marine VHF/DSC radio with 191 channels, 25W/1W selectable output, and ITU-R M.493-14 Class A DSC operation.
- Brand
- Samyung ENC
- Category
- Marine
- Manufacturer
- Samyung ENC website ↗
- Availability
- Enquire for lead time
Technical
Specifications
| TX Frequency | 156.025MHz ~ 157.425MHz |
|---|---|
| RX Frequency | 156.050MHz ~ 163.275MHz |
| Number of Channels | 191 Channels (ITU:63, USA:57, CAN:61, WX:10) |
| Type of Emission | FM(16K0G3E), DSC(16K0G2B) |
| Communication Mode | Simplex and Semi-Duplex |
| Antenna Impedance | 50Ω (SO-239) |
| Freq. Stability | ±10 PPM (-20°C ~ +60°C) |
| Power supply | Input DC24V / Output DC13.8V / max 10A |
| Consumed Currency (13.8V) | TX: 5.5A Max, RX: 1.5A Max |
| Size / Weight | 136 x 220 x 175 / About 2.2kg |
| Antenna Output (13.8V DC) | High/25W, Low/1W |
| Starting Mode | SYNTHESIZER mode |
| Max. Freq. Deviation | ±5KHz or less |
| MIC Input Impedance | 2kΩ |
| Spurious Emission | 70dB or less |
| Adjacent Channel Power | -70dBc or less |
| Receiving Mode | DOUBLE CONVERSION SUPER HETERODYNE |
| Intermediate frequency | 1st: 21.7MHz / 2nd: 450kHz |
| Receiving Sensitivity | 20dB SINAD = 0.32uV or less; 12dB SINAD = 0.22uV or less |
| Squelch Sensitivity | 0.3uV |
| Adjacent Channel Selectivity | 70dB or more |
| Spurious Response Removal Ratio | 70dB or more |
| Residual Noise Level | -40dB or less |
| Audio Output (13.8V DC) | 4.5W / 4Ω (distortion factor 10% or less) |
| DSC Watch Keeping Receiver Frequency | 156.525MHz |
| DSC Mode | 16K0G2B |
| DSC Modulation Speed | 1200baud (±30ppm) |
| DSC Modulation Quotient | PM/FSK (Within M=2±10%) |
| Maximum Available Sensitivity | 0.25uV (10-2 Bit error rate or less) |
| DSC Operation | ITU-R M.541-10 / ITU-R M.689-2 |
| DSC Protocol | ITU-R M.493-14 class-A |
Overview
About this product
The Samyung STR-7000A is a fixed-mount marine VHF radio covering 156.025MHz to 163.275MHz across 191 channels (ITU, USA, Canadian, and weather), operating in simplex and semi-duplex FM and DSC modes with selectable 25W high or 1W low output power. Its DSC section runs ITU-R M.493-14 Class A protocol at 1200 baud with a dedicated 156.525MHz watch-keeping receiver, and the radio draws up to 5.5A on transmit and 1.5A on receive from a 13.8V supply regulated from a 24V DC input. It is rated for operation from -20°C to +60°C and weighs about 2.2kg.
Questions
Frequently asked questions
How many channels does the Samyung STR-7000A cover?
It covers 191 channels: 63 ITU, 57 USA, 61 Canadian and 10 weather channels.
What is the output power of the STR-7000A?
It transmits at 25W (high) or 1W (low).
Does the STR-7000A support DSC distress calling?
Yes. It supports DSC on 156.525 MHz per ITU-R M.493-14 class-A and ITU-R M.541-10 / M.689-2.
What is the STR-7000A's frequency stability?
It is rated at plus-or-minus 10 ppm across -20C to +60C.
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