Receiver parameters:

↘ frequency range: 740-820 MHZ

↘ oscillation modes: dual phase locking frequency synthesis (PLL)

↘ adjust way: FM

↘ maximum deviation: plus or minus 50 KHZ

↘ sensitivity: 18 dbuv (adjustable)

↘ signal-to-noise ratio: 89 db or higher

↘ audio response: 60 hz to 15 KHZ (plus or minus 3 db)

↘ audio output: 0-300 mv / 300 Ω

↘ equilibrium output: 0-300 mv / 300 Ω

↘ dynamic range: 105 db or higher

↘ working voltage: DC 12 v

↘ working current: 50 ma

↘ working temperature: - 10 ℃ to + 40 ℃

Transmitter technology parameters:

↘ frequency range: 740-820 MHZ

↘ transmission power: 10 mw

↘ frequency stability: plus or minus 0.005% or less

↘ modulation mode: FM

↘ maximum deviation: plus or minus 50 KHZ

↘ frequency selection: infrared frequency transmitter operating frequency is determined

↘ working power supply: 2 5 batteries

↘ working current: ma 100 or less

↘ working temperature: - 10 ℃ to + 40 ℃