Srs-4 Satlab

: Standard manufacturing lead time is roughly 8 weeks .

of output power while maintaining a small enough footprint to fit inside a standard CubeSat module. High Data Throughput

The SRS-4 stands out for its flexibility and security features:

: Transmits at 2200 to 2290 MHz and receives at 2025 to 2110 MHz . srs-4 satlab

The Satlab SRS-4 Transceiver is built explicitly to address the multi-megabit requirements of contemporary commercial constellations.

The primary purpose of the SRS-4 is to provide a robust, high-throughput communication link between a small satellite and ground stations.

Unlike hardware-bound legacy transceivers, the Satlab SRS-4 relies on a flexible SDR platform. This permits operators to alter modulation types, adjust signal filtering, or adapt channel coding parameters during runtime while the spacecraft is actively on-orbit. 2. Advanced Channel Coding and FEC : Standard manufacturing lead time is roughly 8 weeks

| Feature Category | Specification / Capability | | :--- | :--- | | | Full-duplex S-band (Tx: 2200-2290 MHz / Rx: 2025-2110 MHz), with configurable modulations (BPSK, QPSK, 8PSK) | | Data Handling | Configurable 100 kBd to 5 MBd symbol rate on Tx/Rx; capable of 100 Mbps max data rate | | Error Correction | Run-time configurable CCSDS-compatible FEC (Convolutional, Reed-Solomon, or both) to ensure data integrity | | Power System | Flexible input 5.1V to 28.8V; power consumption ~1.5W (Rx) to ~10.8W (Tx); adjustable output power up to 2W (33 dBm) | | Security | AES-256-GCM link-layer encryption and authentication for secure data links | | Integration | Compact PC/104 form factor board (93x87.2x17.5 mm), weighing just 253 g | | Interfaces | CAN-bus, RS-422 (using CubeSat Space Protocol), and high-speed Ethernet |

: It has a Technical Readiness Level (TRL) of 9, with over 100 units delivered for various space missions since its release in 2021. Technical Parameters Specification Transmit Frequency 2200 to 2290 MHz Receive Frequency 2025 to 2110 MHz Output Power Adjustable up to 33 dBm (approx. 2 W) Input Voltage 5.1 V to 28.8 V Operating Temp -40°C to +85°C (Rx) / -40°C to +70°C (Tx) For technical support, you can access the SatLab Resources for software updates and the official SRS-4 Datasheet for C and Python or the CCSDS channel coding standards supported by this radio? SRS-4 Full-duplex High-speed S-band Transceiver - Satlab

These blocks allow developers to model and test their communication systems in software, reducing development time and risk before hardware integration. The Satlab SRS-4 Transceiver is built explicitly to

The system is fully software-upgradable while in orbit, allowing for post-launch mission adjustments. Technical Specifications Specification Transmit Frequency 2200 to 2290 MHz Receive Frequency 2025 to 2110 MHz Output Power Adjustable from 20 dBm to 33 dBm (~2 W) Sensitivity -122 dBm ( Input Voltage 5.1 V to 28.8 V Data Interfaces CAN-bus (CSP), RS-422, and Ethernet (IP) Mass Dimensions 93.0 x 87.2 x 18.0 mm

In the growing market of CubeSat and small satellite subsystems, the SRS-4 competes with other S-band transceivers. However, it distinguishes itself through its combination of high data rates (with 8PSK modulation up to 5 MBd), full-duplex operation, powerful +33 dBm transmitter, and advanced security features, all within a low-SWaP (Size, Weight, and Power) PC/104 form factor. For example, NASA's noted a combined system with a form factor and power consumption "ideal for low-SWaP space missions," specifically referencing a device similar to the SRS-4.

Includes AES-256-GCM link-layer encryption and authentication to secure sensitive space-to-ground communications.

Built for the harsh environment of space, the SRS-4 utilizes a ruggedized design to ensure long-term reliability.