A new software upgrade for the SL200 modem to maintain a control link in extreme conditions

June 2021

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Simpulse SDR (Software Define Radio) technology provides major enhancements to the SL200 modem. With this latest software update, the radio link will be maintained even under extremely difficult conditions.

The data-rate is now adapted to the transmission conditions. Under good conditions, the data-rate is maximum, and when conditions become difficult, the transmission rate gradually decreases to improve the robustness of the link.

Together with SIMPULSE’s unique process of data prioritization, while maintaining robustness for chosen high priority data, the data-rate can go down to:

- 600 kbps for commands, telemetry and a low-resolution live video for example

- Or even 170 kbps for critical data like commands/control and GPS coordinates

To give an idea, reducing the datarate from 5 Mbps to 170 kbps will multiply by 4 the distance range in Line-of-Sight. In the same way, the distance range and robustness are greatly improved for robotics under Non-LOS conditions.

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New RSF200 ground antenna: Easy to use, embedding a SL200 modem

June 2021

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To complete our range of ground antennas, we introduce RSF200, the little sister of the GRS-T200 tracking ground antenna, targeting UAV / UGV usages for mid-range distances.

RSF200 is waterproof, dustproof (IP67) and can be mounted on a mast or a portable tripod. RSF200 is very quick to install: just mount the box on the tripod, screw the 2 antennas, and plug in the connection cable. No calibration or pointing is required.

Thanks to its high-sensitivity SL200 modem, the distance range can reach 20 km in Line-of-Sight (LOS) to transmit HD video, using a transmission power of only 500mW with the provided omnidirectional antennas.

This range can be extended to 40 km for low resolution video under the same conditions. Longer ranges can be achieved by using sector antennas (optional).

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Updated GRS-T200 Datasheet Available

November 2020

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The GRS-T200 tracking ground station datasheet has been updated and is now available for download.

GRS-T200 is a tracking antenna which expands the range of action of SL200 embedded modem. Updates include the improvements brought by the last releases of the SL200 software, such as sensitivity, latency and available frequency bands.

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Updated SL200 Datasheet Available

October 2020

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An updated version of the SL200 Mobile Data Link Modem datasheet is now available for Download.

This update includes the improvements brought by the last releases of the SL200 software, such as sensitivity, latency and available frequency bands.

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Simpulse partners with solar drone specialist XSun to reach air-ground data links of over 100 km

June 2020

SL200 modem

Simpulse is proud to announce its partnership with solar drone specialist XSun, provider of innovative energy-independent drones. The partnership will enable to extend the range of wireless air-ground data and video transmissions between XSun’s SolarXOne drone and ground-station to distances of over 100 km, using Simpulse’s SL200 mobile data-link modem. This very long range capacity can now be achieved with reduced weight and transmit power, thanks to the compact SL200 modem and underlying Software Defined Radio (SDR) technology.

More on XSun and SolarXOne energy-independent drone : XSun solar drone specialist

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