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Shenzhen Qiaohua Industries Limited
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Shenzhen Qiaohua Industries Limited

Shenzhen Qiaohua Industries Limited

Guangdong, Mainland China

Exporter, Manufacturer

Average Response Time

N/A

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Wireless Doorbell
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Production Lead Time:
42 day(s)
Model No.:
QH-860A
Brand:
Quhwa
Colour:
White,black
Customised:
Yes
Type:
Door
Description
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Description
* Frequency: 433.92MHz+100KHz * Modulation Type: ASK * Ring Volume: >85dB(within 0.5m) * Channel space: 1 million sets of auto-learning codes * Receiver bandwidth: ±180KHz * Reception Sensitivity: >-80dBm * Transmitting power:<10mW * Power consumption: Receiver:<200uA ; Transmitter: standby:<5uA working:<10mA * Power Supply: Receiver: DC 4.5V (3 X 1.5V AA); Transmitter: DC 3V (CR2032) * Operating Range:<150m (in the open air)

Shenzhen Qiaohua Industries Limited

Shenzhen Qiaohua Industries Limited

Guangdong, Mainland China

Exporter, Manufacturer

Average Response Time

N/A

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