# HDRTx-3
*bus . products*

HDRTx-3 is an X-band transmitter for low Earth orbit spacecraft with up to 3 Gbps data-rate capability.

## Specifications
- **manufacturer**: dragonfly
- **deployment context**: orbital
- **entity type**: bus
- **last verified date**: 2026-05-28
- **verified by**: operator
- **claim status**: unclaimed
- **provider**: dragonfly
- **attributes**: {"kind":"bus","product_status":null,"manufacturer":"dragonfly","description":"HDRTx-3 is an X-band transmitter for low Earth orbit spacecraft with up to 3 Gbps data-rate capability.","sensor":null,"bus":null,"ground_segment":null,"launcher":null,"analysis_service":null,"deployment_context":"orbital"}

## Editorial
HDRTx-3 is Dragonfly Aerospace's X-band transmitter for LEO spacecraft with DVB-S2 dynamic modulation.[^dragonfly-hdrtx3-page]

Dragonfly presents HDRTx-3 as ITAR-free and TRL 7.[^dragonfly-hdrtx3-page][^dragonfly-components-overview]

The transmitter supports a maximum data rate of 3 Gbps.[^dragonfly-hdrtx3-page]

Its electrical and thermal envelope includes a 20-40 V supply range, configuration-dependent power consumption below 36 W, and -10 C to +50 C operation.[^dragonfly-hdrtx3-page]

The unit measures 175 x 145 x 55 mm, has mass below 1.6 kg, and has a design life of up to 8 years in LEO.[^dragonfly-hdrtx3-page]

Its RF section covers 8.025-8.4 GHz and provides 4 W in single-channel mode or 2 W per channel in dual-channel mode.[^dragonfly-hdrtx3-page]

Maximum symbol rate is 300 + 300 Msps in dual-channel mode or 600 Msps in single-channel mode.[^dragonfly-hdrtx3-page]

Telemetry and telecommand interfaces are CAN, I2C, and RS485, while high-speed data interfaces are GTx and LVDS.[^dragonfly-hdrtx3-page]

## Sources
- [dragonfly-hdrtx3-page] | Dragonfly Aerospace HDRTx-3 technical specification page | https://dragonflyaerospace.com/components/hdrtx-3/ | tier=operator-datasheet | accessed=2026-05-28 | author=Dragonfly Aerospace
  Official product page with technical specification table; page labels a download but no separate PDF href was exposed during this pass.
- [dragonfly-components-overview] | Dragonfly Aerospace satellite components overview | https://dragonflyaerospace.com/components/ | tier=operator-marketing | accessed=2026-05-28 | author=Dragonfly Aerospace
  Official components index cross-checking ITAR-free and TRL summary labels.

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Source: https://eo-atlas.org/products/bus/hdrtx-3
Maintainer: SpectraWorks B.V. (CC-BY 4.0)