SRS-3 Full-duplex S-band Transceiver

The Satlab SRS-3 is a full-duplex, low-power, S-band transceiver designed for TM & TC on micro- and nano-satellites.

The self-contained system operates on the ITU space operations S-band frequencies and features integrated transmit and receive filters, LNA and power amplifier, requiring only passive external antennas.

SRS-3 is highly configurable, with transmit and receive frequencies, bit rates, output power and framing configurations being adjustable on-orbit.


Key Parameters

Transmitter frequency2200 to 2290 MHz
Transmitter bit rate128 to 512 kbps
Transmitter powerAdjustable 20 to 30 dBm, with ALC
Receiver frequency2025 to 2110 MHz
Receiver sensitivity-104 dBm (<1% PER)
Receiver bit rate128 kbps
Input voltage5 to 40 V
Typical power consumption
(5 V input, 20℃, 30 dBm)
Awaiting frames: 550 mW
Full-duplex transmit and receive: 5.0 W
Operating temperatureRX: -40℃ to +85℃
TX: -40℃ to +70℃
Dimensions87 × 93 × 17 mm
Mass190 g

Additional Resources


Custom hardware and software requests can often be accommodated. Please see the R&D section

Standard lead time: 8 weeks
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