Specifications:1) Output frequency: 8MHz, 34MHz, 60MHz2) Output level: e105?.5dBuV3) Frequency response: ?.5dBuV4) Return loss: e14dB5) Spurious suppression: e50dB6) Battery runtime: 16 hours (continuous operating)7) Power supply: two AA batteries8) Dimensions: 135 x 70 x 24mm9) 34MHz signal turn-off function for test in normal operating state10) Plastic mould housing, light, small and portable producing area:China