Door bells & chimes -
Door bells & chimes For Sale, Most Competitive Price, Fast Delivery, Custom Service, Wholesale Door bells & chimes, Made in China, High Quality Products!, China , Supplier, Manufacturer.
Frequency: 315/433MHz +/-0.5MHz
Negative wave: = < -57dbm
Quiescent current: = < 550uA
Working voltage: 4.5V
Max controlling distance: = >100m
Transmitting part:
Frequency: 315/433MHz +/-0.5MHz
Negative wave: = < -30dbm
Transmitting Power: = > 220uW
Quiescent current: = < 0mA
Working voltage: 12V
Max controlling distance: = > 100m
Qiaohua (Guangzhou) Electric Co. Ltd
Address: Rm 2003, Nanfang Securities Bldg Tiyu Road East, Guangzhou, Guangdong, China, 510620
Tel: (86 20) 38878000
About 200 clients from 70 countries have been relying on us, including top retailers in Europe, North America, Southeast Asia, and the Middle East. We supply stage lights to Target, door chimes to Wal-Mart, and TV antennas to Carrefour and Macro. Our product line also includes signal converters and cable TV signal amplifiers.
Eleven production lines are housed at our two ISO 9001:2000 certified factories, each with 25,000 square meters of floor space. We use ICs from Samsung, audions from Panasonic, and raw materials from more than 150 suppliers. Monthly output is 800,000 indoor and outdoor TV antennas, 300,000 door chimes and alarm systems, and 200,000 stage lights - over 80% delivered overseas. Our products carry CE, FCC, and UL certifications.
Every year, we invest over US$300,000 in R&D. We develop molds and PCBs in-house, and use network analyzers, noise figure analyzers, and frequency analyzers from HP. With support from top local universities, our 25-man R&D team releases four new products every month. New product development lead time is 10 to 40 days. Choose from our current catalog of 200 models.
We have offices in Hong Kong for easy processing of your orders. Browse through our showroom to learn more about our products.