TD-666
Technical specifications

General Specifications
Frequency Range
VHF:136-174MHz UHF:400-470MHz Number Of Channels 16
Channel Spacing 25/12.5KHz Operating Voltage 7.4V
Standard Battery 2000mah (Lithium Ion) Battery Average Working Hours (5-5-90 Working Cycles) About 20 Hours
Frequency Stability ±2.5PPM Operating Temperature Range -20℃~+60℃
Antenna Impedance 50Ω Dimensions (H X W X D)(Without Antenna) 113×51×32mm
Weight (Including Antenna And Battery) 261g
Transmitter
Output Power UHF:5.0W/1.0W VHF:5.0W/1.0W
Modulation Type F3E
Spurious And Harmonics -36dBm<1ghz-30dbm>1GHz
FM Noise 40/45dB
Modulation Limit ±2.5@12.5KHz±5.0@25KHz
Audio Distortion ≤5%
Audio Response(300 ~ 3000HZ)
+1to-3dB
Receiver
Sensitivity  ≤0.30μV/0.20μV
Adjacent Channel Selectivity
60/70dB
Intermodulation
65dB
Spurious Response Rejection
70dB
S/N 40/45dB
Audio Distortion
≤5%
Audio Output Power ≥600mW
Standard accessories