SI-70A - universal AIS shipboard equipment (Class A)designed for use on sea and river vessels. This system integrates the AIS transponder with the receiver GLONASS / GPS, which allows you to effectively track the navigation data of the ship and neighboring objects. The SI-70A meets international standards and has many features for improved safety and control on the water.
Key features of the device:
- Support for standards IEC and ITU standards, as well as all international requirements.
- Flexible installation thanks to the ability to work with both 12 V, and with 24 V.
- Connection via RS-232, which makes the device compatible with various systems.
- Multilingual interface: korean, Chinese, English, Russian languages.
- Easy software updates via SD card (up to 16 GB).
If you need reliable equipment for ships that meets all the requirements of safety and navigation, you can buy from us SI-70Ato provide high-quality communication and monitoring.
Technical specifications
| Characteristic | Meaning |
|---|---|
| Display type | 7" color TFT, 800 x 480 pixels |
| Supply voltage | 12 V (RX: 0.9 A / TX: 5.2 A), 24 V (RX: 0.5 A / TX: 2.5 A) |
| Frequency range TX / RX | 156.025 ~ 162.025 MHz |
| Output power | 12.5 W (41 dBm) or 1.0 W (30 dBm) |
| Sensitivity (AIS RX) | PER <20% при -107 дБм |
| Sensitivity (DSC RX) | BER <10-4 при -107 дБм |
| Antenna Connector | SO-239 (50 ohms) |
| GLONASS / GPS Receiver | 72-channel, support for GPS, GLONASS, BeiDou, Galileo, WAAS |
| Operating temperatures | -15 °C to +55 °C (main unit), -30 °C to +70 °C (antenna) |
| VHF antenna | SAN-150, 156-162 MHz band |
Equipment:
- SI-70A combined processor unit;
- Antenna GNSS-70 with 30m cable;
- VHF antenna SAN-150 with a mount;
- Power unit SP-70AD and other accessories.

