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