The UHF radio utilizes a half-duplex architecture with high performance low power consumption transceiver which is controlled by a dedicated ARM Cortex-M4 MCU. The radio uses the ultra-high frequency band (UHF) that is programmable in 430 to 440 MHz range.

Main features

  • High-performance ARM 32-bit CortexTM-M4 CPU
  • Clock Speed: 16-72 MHz (configurable)
  • Up to 48 KB of Built-in SRAM
  • 256 Kbytes of Built-in Program Memory
  • 64 MB On-board NOR Flash Memory for User Data
  • RF Architecture: Half Duplex
  • Frequency Range: 430-440 MHz
  • Modulation: 2-FSK (G3RUH compatible)
  • Deviation: 3 kHz (G3RUH compatible)
  • Bit Encoding: G3RUH
  • Data Packet Format: AX25
  • In-orbit Re-configuration Capability

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Last updated: 2020-12-11

UHF Radio SAT2RF1-1B



power consumption
5 W
transmit power
< 2 W
transmit frequency
430 to 440 MHz
receive frequency
430 to 440 MHz
data rate
9.6 kb/s
-118 dBm


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