Gemini GPS/GNSS Receivers
NewSpace Systems (NSS)
L1-band GPS receivers for orbital position/velocity determination — 2 models (SR5 @ 5V, MR28 @ 28V), >80 receivers delivered, >10 years flight heritage. NMEA083 and binary output.
Typed specifications82 values
Discloses 9 of 12 fields engineers filter by in this category (category median 5).
- Mass
- 383 g max · GEMINI-MR28 · datasheet p.2 154 g max · GEMINI-SR5
- Position accuracy
- 1.5 m 1 sigma, GEMINI-MR28 · datasheet p.2 2 m 1 sigma, GEMINI-SR5 | 1.5 m max · GEMINI-MR28, 1 sigma, SEP | 2 m max · GEMINI-SR5, 1 sigma, SEP
- Envelope (L×W×H)
- 155 mm x 31 mm x 76 mm GEMINI-MR28 · datasheet p.2 96 mm x 91 mm x 18 mm GEMINI-SR5
- Solution rate
- 20 Hz Up to, GEMINI-MR28 · datasheet p.2 20 Hz Up to, GEMINI-SR5 | 20 Hz max · GEMINI-MR28, up to 20 Hz | 20 Hz max · GEMINI-SR5, up to 20 Hz
- Time to first fix, cold start
- 50 s GEMINI-MR28 · datasheet p.2 50 s GEMINI-SR5
- Constellations
- GPS L1/L2C, GALILEO E1/E5b, QZSS, BDS B1I/B2I, GLONASS L1/L2 GEMINI-MR28 · datasheet p.2 BeiDou GEMINI-MR28, BDS B1I/B2I | GLONASS GEMINI-MR28, GLONASS L1/L2 | L1 (1575.42 MHz) GEMINI-SR5 | GPS GEMINI-SR5 (L1) and GEMINI-MR28 (L1/L2C) +4
- Supply voltage
- 28 V nom. · GEMINI-MR28, unregulated · datasheet p.2 28 V GEMINI-MR28 | 5 V GEMINI-SR5 | 5 V nom. · GEMINI-SR5
- Power consumption
- 2 W Nominal, excluding active antenna, GEMINI-MR28 · datasheet p.2 0.5 W Nominal, excluding active antenna, GEMINI-SR5 | 2 W max · GEMINI-MR28, nominal, excluding active antenna | 0.5 W max · GEMINI-SR5, nominal, excluding active antenna | 2 W max · Nominal, GEMINI-MR28 (excluding active antenna) +1
- Data interface
- RS-422 GEMINI-MR28 · datasheet p.2 RS-422 GEMINI-SR5 | RS-422 NMEA/Binary
- Operating temperature
- -25 °C min · GEMINI-MR28 · datasheet p.2 -25 °C min · GEMINI-SR5 | 70 °C max · GEMINI-MR28 | 70 °C max · GEMINI-SR5 | -25–70 °C
- Radiation tolerance (TID)
- 30 krad Component level, GEMINI-MR28 · datasheet p.2 30 krad Component level, GEMINI-SR5 | 30 krad component level, qualification
- Signals and bands
- B1 GEMINI-MR28, BDS B1I · datasheet p.2 B2 GEMINI-MR28, BDS B2I | E1 GEMINI-MR28, GALILEO E1 | E5b GEMINI-MR28, GALILEO E5b | G1 GEMINI-MR28, GLONASS L1 +12
- Works in orbit (no COCOM limit)
- yes allows for space altitude and velocity use cases · datasheet p.1
- Velocity accuracy
- 0.05 m/s 1 sigma, GEMINI-MR28 · datasheet p.2 0.1 m/s 1 sigma, GEMINI-SR5 | 0.05 m/s max · GEMINI-MR28, 1 sigma | 0.1 m/s max · GEMINI-SR5, 1 sigma
- Connector
- 2x SMA Female (antenna), Male D-Sub standard density 9-pin and female D-Sub standard density 9-pin GEMINI-MR28 · datasheet p.2 2 x SMA Female (antenna), 15-pin Nano-D GEMINI-SR5
- Random vibration
- 10 g RMS acceptance testing, all FM parts · datasheet p.2 14.1 g RMS mechanical tests (qualification)
- Flight heritage
- Based on the NSS NGPS-01-422 and NGPS-03-422 which has been flying for more than a decade; >60 receivers and >70 antennae delivered globally; receiver operational since 2020; utilized on Asian SAR and European satellite constellations datasheet p.1
- Satellite class
- CubeSat datasheet p.2 smallsat 100-500 kg
- Missions flown
- 80 datasheet p.1 60 60+ in orbit; >60 receivers and >70 antennae delivered; 80+ r…
- Quasi-static load
- 14.1 g datasheet p.2 14.1 g
- Antenna included
- no datasheet p.2
- Board format
- CubeSat Kit bus datasheet p.2 PC/104 GEMINI-SR5, 4 x M3 on CubeSat PC104 footprint
- Antenna inputs
- 2 2 x SMA Female (antenna) · datasheet p.2
- Antenna connector
- SMA 2 x SMA Female (antenna) · datasheet p.2
Each value is typed with its unit and measurement condition and cites the datasheet page it was taken from. Nothing is guessed: a field that is absent here has not been published by the manufacturer. machine-extracted ✓ checked by NewSpace Market ✓ manufacturer confirmed by the manufacturer.
As published by the supplier9 lines, in the manufacturer's own wording
- Models
- Gemini-SR5, Gemini-MR28
- Frequency band
- L1
- Output protocols
- NMEA083, Binary
- Sr5 supply voltage
- 5 V
- Mr28 supply voltage
- Unregulated 28 V
- Mr28 protection
- Latch-up protection, watchdog timer
- Receivers delivered
- > 80
- Flight heritage
- > 10 years
- Radiation tolerance
- COTS radiation-tolerant
About
NewSpace Systems’ Gemini Receiver line consists of L1-frequency GPS units built on proven heritage chipset technology. Both models support space-altitude and velocity applications with NMEA083 and binary protocol output options. The Gemini-SR5 operates from a 5V supply while the Gemini-MR28 accepts unregulated 28V input with latch-up protection and watchdog timer. Both are radiation-tolerant COTS designs in compact, low-mass packages. Over 80 receivers and 70 antennas have been delivered across multiple international missions with over a decade of flight heritage. Applications include orbital position determination, maneuver tracking, and payload time/position tagging.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.