- Product description
- Parameter specifications
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- Commodity name: PD790Ex
- Commodity ID: PD790Ex
- Brand: Hytera
PD790Ex digital explosion-proof handheld intercom
● IIC explosion-proof grade
● IP67 waterproof and dustproof
● Humanized exterior design
● High strength LCD protective lenses
● The host and battery adopt glue filling process
● Anti slip design of the body
● Reverse alarm
● GPS positioning -
General specifications
Frequency range: UHF 400-470MHz VHF 136-174MHz
Number of channels: 1024
Channel spacing: 12.5/25KHz
Battery capacity: 1800mAh (lithium ion)
Average battery operating time (5-5-9 duty cycles, high-power transmission): Analog 14 hours/Digital 16 hours
Working temperature range: -20 ℃~+50 ℃
Working voltage: 7.4V
Overall dimensions: 141mm x 55mm x 39mm (excluding antenna)
Overall weight: 550g
Frequency stability: ± 0.5ppm
Transmitters
Output power: 1W
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++or SELP
Digital protocol: ETSI-TS102361-1. -2. -3
Receiver
Sensitivity: Analog ≥ 0.22 μ V (12dB SINAD) number ≥ 0.3 μ V/BER5%
Adjacent channel selectivity: 60dB
Intermodulation: ≥ 65dB
Spurious response suppression: ≥ 70dB
Signal to noise ratio: 40/45dB
Audio output power: 500mW
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Shenzhen HLM Technology Development Co., Ltd
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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