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ISIS VHF/UHF Full Duplex Transceiver

Compiled from public sources. Checked on 2026-11-07. Not independently verified by ISISPACE.

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The ISIS VHF/UHF full-duplex transceiver is a CubeSat TT&C communications subsystem offered in UHF-uplink/VHF-downlink and VHF-uplink/UHF-downlink variants.

The ISIS VHF/UHF Full Duplex Transceiver is an ISISPACE satellite radio for full-duplex uplink and downlink communications in the very high frequency (VHF) and ultra high frequency (UHF) bands.[1] It has flight heritage since 2016.[2]

The transceiver supports telemetry, telecommand and beacon operation. It is offered in VHF/UHF link-direction variants, its frequencies and data rates are reconfigurable, and it has an FM transponder mode.[2] Representative transmitter ranges are 435-438 MHz or 400.15-402 MHz, and representative receiver ranges are 145.8-146 MHz and 148-150.05 MHz.[3]

The published specifications give a mass of 75 g, dimensions of 90 x 96 x 15 mm and a 6.5-20 V supply. Consumption is 0.48 W with only the receiver active and 4 W with the transmitter on.[2] The data interface is Inter-Integrated Circuit (I2C), the radio frequency connectors are 50-ohm MMCX, and the operating temperature range is -20 to +60 C.[2]

Operator pricing

Pricing not publicly listed by operator

Sources
Cite https://eo-atlas.org/products/component/isis-vhf-uhf-full-duplex-transceiver Markdown twin → Field definitions → Suggest a correction →
How to cite this page

Plain text

ISIS VHF/UHF Full Duplex Transceiver. EO-Atlas, SpectraWorks B.V., last reviewed 2026-11-07. https://eo-atlas.org/products/component/isis-vhf-uhf-full-duplex-transceiver (CC BY 4.0)

BibTeX

@misc{eoatlas:products:component:isis-vhf-uhf-full-duplex-transceiver,
  title = {ISIS VHF/UHF Full Duplex Transceiver},
  author = {{EO-Atlas}},
  publisher = {SpectraWorks B.V.},
  year = {2026},
  note = {Last reviewed 2026-11-07. CC BY 4.0},
  url = {https://eo-atlas.org/products/component/isis-vhf-uhf-full-duplex-transceiver}
}