Srs-4 Satlab Jun 2026
Security is paramount for modern low-earth orbit constellations. The Satlab SRS-4 incorporates hardware-accelerated . This layer guards against: Unauthorized telecommands (anti-spoofing) Payload data eavesdropping (anti-snooping) Malicious signal replays
The SRS-4 Satlab is a versatile device that can be used in a variety of surveying and mapping applications, including:
The transceiver acts not just as a radio, but as an advanced data-routing node inside the spacecraft bus. It features wide internal network options:
The space environment is notoriously harsh, and payload space is exceptionally limited. The SRS-4 tackles these challenges head-on with its highly compact, robust design. srs-4 satlab
Downloading data from onboard sensors and experiments.
Satlab provides deep developer support, offering client libraries in C and Python (wrapping the CSP protocol) along with open-source reference implementations and example code. Uncompromising Security and Maintainability
The unit is built for easy integration into standard CubeSat architectures: Form Factor : Housed in a durable aluminum enclosure following the Interfaces : Provides multiple connectivity options including (using CubeSat Space Protocol - CSP), (using IP), and Flight Heritage : It holds a It features wide internal network options: The space
Unlike older generation transceivers limited to kilobit-per-second ranges, the SRS-4 supports variable transmit and receive symbol rates up to . By offering runtime-configurable BPSK, QPSK, and 8PSK modulation schemes, operators can dynamically scale bandwidth based on orbital link margins, maximizing data download volume during brief ground station passes. 2. Advanced Channel Coding and Standard Compliance
Transmitting telemetry for tracking and orbit determination.
Engineered for extreme environments, rated from -40∘Cnegative 40 raised to the composed with power C +85∘Cpositive 85 raised to the composed with power C Its design priorities center on flexibility
The SRS-4's performance is what truly sets it apart in a crowded field of space-ready radios. Its design priorities center on flexibility, security, and reliability.
The is a high-performance, full-duplex S-band transceiver built specifically for high-speed data transmission on small satellites . Developed by Satlab A/S , this software-defined radio (SDR) bridges the gap between massive deep-space data requirements and the strict physical limits of micro- and nano-satellites. Holding a Technology Readiness Level of TRL 9 , the Satlab SRS-4 has a rich in-orbit flight heritage with over 100 units deployed globally. Technical Architecture and RF Performance
The Satlab SRS-4 transceiver balances high-throughput capabilities with the strict power and weight budgets required by CubeSat platforms. Specification Details PC/104 standard, aluminum enclosure Dimensions & Weight 93 mm x 87.2 mm x 17.5 mm Transmit (Tx) Frequency 2200 MHz to 2290 MHz (ITU Space Operations) Receive (Rx) Frequency 2025 MHz to 2110 MHz (ITU Space Operations) Modulation Schemes Tx: BPSK, QPSK, 8PSK Data Rate Range 1 Mbps up to 100 Mbps (Symbol rates up to 5 MBd) Adjustable Output Power 20 dBm to 33 dBm (0.1W to ~2.0W) Power Consumption 1.5 W (Idle/Rx) to 10.8 W (Max Tx operational) Input Voltage 5.1 V to 28.8 V DC Operating Temperature -40°C to +85°C Architectural Design and Modularity
The suffix "SATLAB" implies a pedagogical and iterative approach to testing. The system operates in three distinct phases:
