# COTS CubeSat Radio

Jump to navigation
Jump to search

Radio is currently the standard mode of CubeSat telecommunication. Hence, there are a variety of COTS CubeSat radio options available.

**Here's a list of COTS CubeSat radio system suppliers:**

- AstroDev
- Stensat
- ISIS (good luck googling that one)

**Here's a preliminary list of commercial CubeSat transmitters useful for a one-way downlink:**

**Stensat Radio Beacon**- Cost: $750
- Downlink rate: AX.25 Unnumbered Information (UI) packets at 1200 bps AFSK and 9600 bps FSK
- Transmitter Frequency range: 420-450 MHz or 144-148 MHz (depending on model)
- Mass: 50g
- Dimensions: 44.45 x 78.74 (mm) (PCB layout)
- Power Consumption: <3W
- More details on the product page: [1]

**ISIS TXS S-Band Transmitter**- Cost: $9600
- Downlink rate: up to 100 kbps
- Transmitter Frequency range: 2100 MHz - 2500 MHz
- Mass: 62g
- Dimensions: 90 x 96 x 15 (mm)
- Power Consumption: <3.5W
- More details on the product page: [2]

**Integrated S-Band Transmitter**- Cost: $7300
- Downlink rate: 1.06 Mbs (max)
- Transmitter Frequency range: 2200-2300 MHz, adjustable in steps of 100 kHz
- Mass: 75g
- Dimensions: 95 x 46 x 15 (mm)
- More details on the product page: [3]

**Here's a preliminary list of commercial CubeSat transceivers useful for bi-directional communication:**

**ISIS VHF down UHF up Duplex Transceiver**- Cost: $9600
- Downlink rate: 1200, 2400, 4800 or 9600 bps
- Uplink rate: 300 or 1200 bps
- Transmitter Frequency range: 130 - 160 MHz (VHF)
- Receiver Frequency range: 400 - 450 Mhz (UHF)
- Mass: 85g
- Dimensions: 96 x 90 x 15 (mm)
- Power Consumption: <1.7W (transmitter on), <0.2W (receiver only)
- More details on the product page: [4]

**ISIS UHF down VHF up Duplex Transceiver**- Cost: $9600
- Downlink rate: 1200, 2400, 4800 or 9600 bps
- Uplink rate: 1200 bps
- Transmitter Frequency range: 420-450 MHz (UHF)
- Receiver Frequency range: 140-150 MHz (VHF)
- Mass: 75g
- Dimensions: 96 x 90 x 15 (mm)
- Power Consumption: <4.0W (transmitter on), <0.480W (receiver only)
- More details on the product page: [5]

- "Astrodev Lithium"
- Cost: ~$5000
- Downlink rate: Max 77 kbps
- Power Consumption: < 10.0W; 4.0W transmitter power
- Efficiency: 40%