NXTRX4

Cormorant

Cubesat Transceiver

Being a crucial component our transceivers provide TT&C functionality while keeping low power consumption and uncompromised functionality built with many years of expertise. As a bonus some very interesting HAM-Radio friendly features are implemented.

Designed by OM1LD.

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Cormorant - Cubesat transceiver

Dimensions

Width

40,00

mm

Length

70,00

mm

Height

6,50

mm

Main features

  • Flight heritage
  • Plug & Fly, easy to use
  • Small-sized and lightweight
  • Frequency range 145 MHz to 440 MHz
  • RF power output up to 30dBm (1W) @ 50Ohm
  • GFSK modulation speed 1200 to 19200 bps (James Miller G3RUH compatible)
  • Compatible with hamradio transceiver Kenwood, Yeasu, Icom and more
  • Compatible with modems Kantronics, SCS and more
  • Support HDLC, AX.25, CSP, NMP, Morse transmitter
  • CSP protocol over I2C, CAN, RS485, UART
  • CSP packet router
  • Integrated hamradio digipeater
  • Custom AX.25 and morse messages transmitter

Other features

  • Broken antenna detector
  • RSSI measurement
  • Ferroelectric RAM data buffer
  • Non-magnetic construction
  • Minimal space needed on the satellite surface (two radio on PC104 PCB board)
  • Integrated temperature sensor
  • Integrated power bus voltage sensor
  • Integrated onboard battery voltage sensor
  • Radiation-tolerant HW & SW design
  • Bit-flip resistant
  • Internal watchdog
  • Fully configurable through NMP protocol
  • Health statistic data
  • Interface status data, uptime, counters
  • Indication LED for easier integration process
  • Vacuum, vibration and shock environmental tested

General information

NameValueNote
Frequency range145-440 MHzBy order.
Comm protocolCSP
CAN<1 Mbps
UART or RS485 speed38400-115200 kbpsConfigurable by user via CSP KISS encapsulation.
i2c400 kHz or 100 kHzConfigurable by user via CSP.
Analog input (max)2.5 VAnalog in.
Power in2.7-3.7 VWithout fuse/protection!
RF ModulationGFSKG3RUH Compatible
RF Modulation Speed1200-19200 bps
RF Power Out - Datamax 30 dBm
Sensitivity<-100 dBDepends by FSK speed.
Master Reset1 kHzControlled by GS via CSP.
Morse transmitter10-30 wpmConfigurable by user via CSP
Morse Custom MessageYesConfigurable by user, payload or OBC via CSP.
AX.25 LayerYesConfigurable by user via CSP.
AX.25 Custom MessageYesConfigurable by user, payload, or OBC via CSP.
AX.25 DigipeaterOn/OffConfigurable by user via CSP.

Connector

NameNumDirectionNote
CAN1In/OutInterface (CSP bus) / +5V supply VDDA needed
UART or RS4851In/OutInterface (CSP bus)
l2C2In/Out2x Interface (CSP bus)
AA1In/OutAnalog in
PPS in1InOption time input*
General reset1OutReset signal
MMCX1In/OutRF Radio Connector
Debug1In/OutDebug connector