TD-V28D
Technical specifications

General Specifications
Frequency Range UHF: 400-470MHz Number Of Channels 999
Channel Spacing 模拟:25/12.5KHz 数字:12.5KHz Operating Voltage 7.4V
Standard Battery
1500mah(锂离子) Battery Average Working Hours(5-5-90Working Cycle) 约14小时
Frequency Stability ±1.0 PPM Operating Temperature Range -20℃~+55℃
Antenna Impedance 50Ω Dimensions(HxWxD)(With out Antenna)
105 x 53 x 30mm
Weight(Including Antenna And Battery) 199g
Transmitter
Output Power UHF: 4.0W/1.5W
Modulation(Analog) 11KΦF3E@12.5KHz 16KΦF3E@25KHz
Modulation(Digital)
12.5KHz Data And Voice 7K60FXW.Date7K60FXD
Clutter And Harmonics -36dBm<1ghz -30dbm="">1GHz
Signal To Noise Ratio 40/45dB
Audio Distortion ≤3%
Modualation Limit ±2.5@12.5KHz;±5.0@25KHz
Audio Rseponse(300~3000HZ) +1to-3dB
Digital Vocoder Type AMBE++
Digital Protocal ETSI-TS102 361-1.-2.-3
Receiver
Sensitivity(Simulation) ≤0.20µV(12dB SINAD)
Sensitivity(Number) ≤0.20µV/BER3%
Adjacent Channel Selsetivity ≥60dB
Intermodulation ≥60dB
Spurious Response Suppression ≥60dB
Signal To Noise Ratio 40/45dB
Audio OutPut Power ≥500mW
Audio Distortion ≤5%
Audio Resopnse +1~-3dB
Conduction Emission Miscellaneous <-57dBm

The above specifications are tested in accordance with TIA/EIA-603 standard.The receive part specification applies only to 136-174MHz,400-470MHz.As the technology contionues to develop,the above specifications are subject to change without notice.

Standard accessories