- Product description
- Parameter specifications
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- Commodity name: LD-7900
- Commodity ID: LD-7900
- Brand: Linton
LD-7900 Digital Professional Handheld Interphone
● 64 regions with 512 channels
● Digital analog compatibility saves costs
● IP65 design 1.77 inch color screen
● Individual call/group call/full call/emergency call
● Secure encrypted communication
● SMS function
● DTMF/CTCSS/DCS encoding and decoding
● VOX hands-free voice control
● Working alone
● Power-on password protection -
General specifications
Frequency range: VHF 136-174MHz UHF 400-470MHz
Number of channels: 512
Channel spacing: 12.5/25KHz
Battery capacity: 2000mAh (lithium-ion)
Average battery operating time (5-5-9 duty cycles): Analog 13 hours/Digital 17 hours
Working temperature range: -20 ℃~+55 ℃
Working voltage: 7.4V
Overall dimensions: 119mm x 55mm x 34mm (excluding antenna)
Overall weight: 280g
Frequency stability: ± 1.0ppm
Transmitters
Output power: VHF 5.0W/1.0W UHF 4.0W/1.0W
Modulation method: Analog 16K Φ F3E@25KHz 11K Φ F3E@12.5KHz 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:+1~-3dB
Digital vocoder type: AMBE++
Digital protocol: ETSI-TS102361-1. -2. -3
Receiver
Sensitivity: Analog ≤ 0.30/0.20 μ V number ≤ 0.20 μ V/BER3%
Adjacent road selectivity: 60/7
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Address: 17G, Block B, Modern Window, Huaqiang North Road, Shenzhen
Tel：0755-83281970
Fax：0755-83280287
Q Q：654681553
E-mail：hlm@szhlm.com
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