What is meant by the blocking dynamic range of a receiver?

Blocking dynamic range is a critical measure of a receiver's ability to tolerate incredibly strong signals outside its tuned passband without degrading the reception of a weak desired signal. It is technically defined as the difference in decibels (dB) between the receiver's noise floor and the amplitude of an incoming off-frequency signal that causes a 1 dB decrease (gain compression) in the receiver's amplification. When a strong signal causes this compression, the receiver is said to be 'desensitized' or 'blocked,' making weak signals disappear. Distractors that mention the third-order intercept point or intermodulation products refer to Intermodulation Distortion (IMD) dynamic range, which is a different specification entirely. Blocking dynamic range is always associated with the 1 dB gain compression point.