Spacelink Duo

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Dual hot-redundant

Half duplex

UHF transceiver

Micro/nano satellites

5 years design life

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430-450 MHz

19.2 kbps

1 Watt

-125 dBm

7-28 V

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Price from: 10,000 EUR

Delivery: 4 weeks

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Dual hot-redundant satellite TT&C radio

2 Half-duplex UHF transceivers

Designed for micro and nano satellites

5 years design life in LEO

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RF:

  • Frequency: 420-460 MHz
  • Baud rates: 4800, 9600, 19200
  • TX power: 1 Watt +/- 0.5 dBm PAE: 30%
  • RX sensitivity:
    – 4800 Baud: -125dBm
    – 9600 Baud: -122 dBm
    – 19200 Baud: -119 dBm
  • Noise figure: 2 dB (LNA: 1.5 dB, impl.: 0.5 dB
  • Bandwidth: 1.5 x Baud
  • Frequency stability: +/- 100 Hz
  • Convolutional coding (Viterbi k=7 r=1/2)
  • Block coding (Reed-Solomon)
  • MTU: 235 bytes un-coded / 196 bytes coded
  • Security: Scrambling
  • Redundancy: Full hot redundant RX/TX

Power:

  • Power supply: 7-28 Vdc unregulated
  • idle: 50mW
  • receiving: 150 mW
  • transmitting: 3 W

Bus:

  • Satellite bus interface: CAN 2.0B
  • Network protocol: CSP
  • Packet de-duplication

Connectors:

  • Satellite bus: Glenair Micro-D 10-pin female
  • RF: 2 x MCX

Physical:

  • Dimensions: 94 x 88 x 12 mm
  • Mass: 121 grams
  • Material: Al7075-T6 Alodined, 1 mm wall thickness
  • Temperature range: -40 /+60 C
  • Vibe: NASA GEVS
  • Radiation: TID: 5 years in SSO / 15 years in ISS orbit

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