1. Weight [gram] : 25.5 (3309A) & 1.8 (3310A) 2. Sensitivity [pC/g] : 5 (3309A) & 1.2 (3310A)3. Housing : stainless steel (3309A) & titanium (3310A)4. Upper Frequency Response [Hz], +/- 5% : 7,000 5. Maximum Shock [g] : 5,000