คำอธิบาย
Model : K-992
Receiver specifications
Receiver type : Automatic reception
IF frenquency : 110MHz,10.7MHz
Antenna Input : BNC/50Ω
Sensitivity : 12dBuV(80dBS/N)
Sensitivity adjustment range : 12-32dBuV
Spur suppression : ≥75dB
MAXImum output : +10dBV
Technical parameters
Operating Frequency range : 697-740、740-800、800-850MHz
Modulation type : Broad band FM
Channel number : 200
Channel spacing : 250KHz
Frequency stabolity : ±0.005％
Dynamic range : 100dB
Maximum offset : ±48KHz
Frequency response : 40Hz-18KHz（±3dB）
Overall noise ratio : ＞105dB
Overall distortion : ≤0.3％
Effective range ; 100m（under optimal conditions）
Operating temperature range : -10℃+40℃
Transmitter specifications
Antenna : Handheld microphone with built-in rotational antenna,Transmitter with 1/4 wavelength Whip antenna Power
Output : high power 30mW,low power 3mW
Spur suppression : -60dB
Battery : two double A,1.5V Alkaline batteries
Battery life : around 6 hours under common power transmission and 10 hours under low power transmission
