S handheld metal, good drop effect s effective distance: 60 meters
S rf carrier frequency range: 740-820 MHZ
S offset degree: + 40 KHZ
S system distortion < 0.5%, 1 KHZ modulation
S oscillation mode: quartz control
S sensitivity: 2.0 uV
S mirror interference ratio: 88 db
S receiving channel: 2 way
S frequency stability: < 0.002%
S current loss: < 25 ma
S oscillation mode: quartz control
S battery: DC3V
S antenna: built-in