GNSS recorder and player

Echo™ 4RP

Multi-frequency
L1 – L2 – L5 – L6 – S-Band

Up to 4 RF channels simultaneously
No phase drift between channels during acquisition or replay

Next-Generation of Record & Playback solution for GNSS signals

Whether developing new components, improving algorithms or working on the integration of an entire receiver system, Echo™ 4RP GNSS Recorder is the perfect fit for your testbed environment.
Echo™ singularity lies in the alliance of SDR (Software Defined Radio) and a state of the art RF Analog front-end.
Top-end processing performance and superior RF quality are now met into a COTS appliance with utmost flexibility in recording control.

Highest-Fidelity

4 Rx and Tx RF Channels
Covers L, S, and C bands
(not limited to GNSS spectrum)
Ability to record or replay up to 4 RF channels @16bit I&Q and 93.75MHz sampling rate (each) simultaneously, in a single rack or 187.5MHz @ 8 bits
4, 8 or 16-bit I&Q
Up to 368 MB/s write & read speed per channel
Tight synchro phase enabling CRPA recording and replaying

Simple data management

Easy to set up and use

Use cases

Choose the best recorder & playback solution for GNSS signals for DESIGN, VALIDATION & PRODUCTION

Compact, Precise, and High-Fidelity

Designed for space agencies, aviation, and rail industries, Echo 4RP is the all-in-one GNSS recorder and replayer you need.

Weighing less than 10 kg, this compact system delivers unparalleled precision with 4 synchronized RF channels (Rx & Tx) covering the L, S, and C bands simultaneously.

Capture high-fidelity GNSS signals with 16-bit I&Q at 93.75 MHz per channel, or 8-bit I&Q at 187.5 MHz per channel.

Whether you’re validating satellite navigation, conducting aircraft flight tests, or ensuring seamless railway positioning, Echo 4RP offers a cutting-edge solution for recording and replaying real-world GNSS scenarios.

4 RF Channels (Record & Replay)
Multi-Band Coverage (L, S, C)
High-Precision 16-bit I&Q Sampling

Resilient GNSS Signal Integrity

With perfect phase synchronization, Echo 4RP is the ultimate CRPA (Controlled Radiation Pattern Antenna) testing tool.

As the demand for anti-jamming and anti-spoofing technology grows, resilient GNSS receivers must undergo realistic interference testing. Echo 4RP enables high-fidelity CRPA recordings and replays, preserving tight phase offsets critical for jamming and spoofing mitigation.

From aerospace defense to mission-critical navigation, ensure unmatched accuracy in your CRPA validation workflows.

Phase-Synchronized CRPA Testing
Real-World Jamming & Spoofing Replay
L, S, and C Bands Coverage

Wideband Recording & Replay for Space Telecom

Echo 4RP is not just a GNSS tool—its extensive bandwidth makes it a game-changer for telecommunication signal testing.

With the ability to record and replay beyond GNSS frequencies, it is particularly suited for space telecom applications.

Whether for satellite communications, radio frequency (RF) testing, or next-gen aerospace connectivity, Echo 4RP ensures seamless signal capture and playback, delivering unmatched fidelity for telecom research and development.