Apartment Use

QH-822A
  • Product Type: Auto-learning Code Wireless Door Chimes
  • Color: White,Black,or other colors
  • Power Supply(Transmitter): 1×DC3V CR2032
  • Power Supply(Receiver): 2×1.5V AA
  • Operating Range: 80M(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           

*FCC,CE,and RoHS compliant                                             

*Different IP44 transmitters for selection                        
*Piano surface finishing effect,white,black,or other colors available                                                       

*Energy saving, transmitter battery can be used for over 15 months and battery-operated receiver for least 9 months
*Music volume adjustable; flash, ring, or flash+ring for function option
*80M transmitting distance


Specification:


FREQUENCY 315/433MHz±0.5MHz
ACTIVE PRESSURE WAVE(RECEIVER) ≤-57dbm
NEGATIVE PRESSURE WAVE(TRANSMITTER) ≤-36dbm
RECEPTION SENSITIVITY ≥-80dBm
POWER SUPPLY(TRANSMITTER) 1×DC3V CR2032(INCLUDED)
POWER SUPPLY(RECEIVER) 2×1.5V AA(NOT INCLUDED)
TRANSMITTING POWER ≤10mW
QUIESCENT CURRENT ≤100uA
RING VOLUME ≥70dB
OPERATING RANGE 80M(IN THE OPEN AIR)
SOUND OPTIONS 36 POLYPHONIC MELODIES