Automotive Radar 77 GHz
| Frequency Range | 76–81 GHz |
| Applications | Adaptive cruise control (ACC), Automatic emergency braking (AEB), Blind spot detection |
Adaptive cruise control (ACC) · Automatic emergency braking (AEB) · Blind spot detection
| Frequency Range | 76–81 GHz |
| Wavelength | 3.7–3.9 mm |
| ITU / Standard | — |
Applications
- →Adaptive cruise control (ACC)
- →Automatic emergency braking (AEB)
- →Blind spot detection
- →Lane change assist
- →Parking assistance
Propagation Characteristics
Short wavelength enables very compact phased array antennas. 5 GHz bandwidth allows <3 cm range resolution. Less interference from rain than 24 GHz radar.
Regulatory Notes
EU: ECC Decision (04)03. US: FCC Part 15.253. Global harmonization underway. Replacing 24 GHz radar. Typical EIRP: 55 dBm max.
Related Calculators
Wavelength / Frequency
Convert between frequency, wavelength, and wavenumber in free space or any dielectric. Calculate half-wave and quarter-wave lengths for antenna design. Free, instant results.
Radar Range
Calculate maximum radar detection range from peak power, antenna gain, RCS, noise figure, and bandwidth using the radar equation. Free, instant results.
Free-Space Path Loss
Calculate free-space path loss (FSPL) in dB using the Friis equation. Enter frequency and distance for wireless link budget analysis. Free, instant results.