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LD-7800 LD-7800 Professional Digital Walkie-Talkie
LD-7800 LD-7800 Professional Digital Walkie-Talkie

Technical Specifications

General Specifications
Frequency Range
VHF:136-174MHz UHF: 400-470MHz Number Of Channels 512
Channel Spacing 25/12.5KHz Operating Voltage 7.4V
Standard Battery 2000mah (lithium ion) Battery Average Working Hours (5-5-90 Working Cycles) Analog / Digital: 13/17 hours
Frequency Stability ±1.5 PPM Operating Temperature Range -20℃~+55℃
Antenna Impedance 50Ω Dimensions (H x W x D)(Without Antenna) 119 x 55 x 34mm
Weight (Including Antenna And Battery) 280g
Output Power VHF: 5.0W/1.0W UHF: 4.0W/1.0W
Modulation (Analog) 11KΦF3E@12.5KHz 16KΦF3E@25KHz
Modulation (Digital) 12.5KHz Data and voice 7K60FXW. Data only 7K60FXD
Clutter And Harmonics -36dBm<1GHz -30dBm>1GHz
Signal To Noise Ratio 40/45dB
Audio Distortion ≤3%
Modulation Limit ±2.5@12.5KHz;±5.0@25KHz
Audio Response(300 ~ 3000HZ) +1to-3dB
Digital Vocoder Type AMBE++
Digital Protocol ETSI-TS102361-1.-2.-3
Sensitivity (Simulation) ≤0.30/0.20µV
Sensitivity (Number) ≤0.22µV/BER5%
Adjacent Channel Selectivity 60/70dB
Intermodulation 65dB
Spurious Response Suppression 70dB
Signal To Noise Ratio 40/45dB
Audio Output Power 1.0W
Audio Distortion ≤3%
Audio Response +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 continues to develop, the above specifications are subject to change without notice.

Standard Accessories