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LD-3900

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- Commodity name: LD-3900
- Commodity ID: LD-3900
- Brand: Linton
LD-3900 Digital Professional Handheld Interphone
● 16 groups of regions with 256 channels
● Digital analog compatibility saves costs
● 8W high-power
● 2650mAh high capacity battery
● Individual call/group call/full call/emergency call
● Clear and loud digital voice
● Dual time slot communication digital analog mixed reception
● Double time slot efficiency in direct mode
General specifications
Frequency range: UHF 400-470MHz
Number of channels: 256
Channel spacing: Analog 12.5/25KHz Digital 12.5khz
Battery capacity: 2650mAh (lithium ion)
Average battery working time: approximately 23 hours
Working temperature range: -20 ℃~+55 ℃
Working voltage: 7.4V
Overall dimensions: 111mm x 51mm x 31mm (excluding antenna)
Overall weight: 260g
Frequency stability: ± 1.0ppm
Transmitters
Output power: 8W/1.5W
Modulation method: Analog 16K Φ F3E@25KHz 11K Φ F3E@12.5KHz Digital 12.5KHz data and voice 7K60 FXW. 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:+1~-3dB
Digital vocoder type: AMBE++
Digital protocol: ETSI-TS102361-1. -2. -3
Receiver
Sensitivity: Analog ≤ 0.20 μ V (12db SINAD) number ≤ 0.20 μ V/BER3%
Adjacent channel selectivity: ≥ 60dB
Intermodulation: ≥ 60dB
Spurious response suppression: ≥ 60dB
Signal to noise ratio: 40/45dB
Audio output power: ≥ 500mW