Radio Signals

Date: 2506

1. Get to FM radio waves and catch signal
2. Get to corresponding signal for RF remote controlled car (RC car) (ran at 2.4 Ghz)

Software Used

Gqrx SDR

• open source software defined radio receiver (SDR)
• powered by GNU Radio

Attempted: [Trunked Radio System](https://en.wikipedia.org/wiki/Trunked_radio_system_

Hardware Used

• Hack RF
  • Could get to range, but couldn't detect signal
• RTL2832U amazon
  • Caped at 1.7 GHz, so couldn't detect signal
  • https://www.rtl-sdr.com/

NOTES:

• gnu radio
• ex: run a pager network on an island with radio in a box on an island
• posx encoding and runs a bunch of beakers

CHIPS USED:

• realtec chips - rtlsdr
• realtex rt3828 option

Amazon

• RTL-XTR
• DVV - salder an entenna

RTL2838UHIDIR

• https://www.rtl-sdr.com/
• DVB-T+DAB+FM+SDR

RTL2832U R820T2 TCX0+BIAS T+HF

• https://www.amazon.com/RTL-SDR-Blog-RTL2832U-Software-Defined/dp/B0BMKB3L47

hackerRF One Great Scott Gadgets

directional antenna

• sma or rp sma
• bigger - bnc tnc etc
• cv connector so-123

alpha - high power dongle - power limited