Apartment Use

QH-873AK
  • Product Type: Auto-learning Code Wireless Door Chimes
  • Color: White or Black
  • Power Supply(Transmitter): 1×DC3V CR2032
  • Power Supply(Receiver): AC 110~240V
  • Operating Range: 100M(in the open air)
  • Package: Blister
  • Place of origin: China
  • Price Terms: FOB,CIF
  • Payment Terms: T/T,L/C at sight
  • Minimum Order: 2000pcs
  • Delivery Time: 30 days
  • Brand Name: Quhwa or OEM logo available


Description:

 

*1 million sets of auto-learning codes to avoid interference                                                                           
*IP44 waterproof transmitter                                                       
*36 polyphonic melodies

*100M transmitting distance



Specification:

 

FREQUENCY

433.92MHz+100KHz

MODULATION TYPE

ASK

RING VOLUME

>80dB(WITHIN 0.5M)

RECEPTION SENSITIVITY

>-100dBm

POWER SUPPLY(TRANSMITTER)

1×DC3V CR2032(INCLUDED)

POWER SUPPLY(RECEIVER)

3×DC1.5V AAA(NOT INCLUDED)

TRANSMITTING CURRENT

<15mA

OPERATING RANGE

100M(IN THE OPEN AIR)

SOUND OPTIONS

36 POLYPHONIC MELODIES