Shenzhen Chang Yu / China Everbright Kai Lim Electronics Co., Ltd. (GD TECHWAY) was founded in 2001, is specialized in radio frequency (RF) R & D, manufacturing and sales of high-tech international companies, to provide customer modular products (OEM) or design (ODM) based professional R & D team; through FCC / CE international standards, 2006 by IS9001: Under the 2000 international quality management system certification, to produce the kinds of quality products available to a variety of environmental / each kinds of interference demand / distance requirements in different fields, such as applications, customers around the world. Product Name: wireless remote GD-F04 Item No: GD-F04 Product Description: Frequency: 315 / 433.92Mhz Voltage: 12V button: 1key / 2 key / 3key / 4key current: 9.5 ~ 11.5mA Transmission distance:> 200m Size: 63 * 38.5 * 13.6mm Modulation: ASK Operating temperature: -40 / + 85 ℃ Main: Chang Yu electronic manufacturing GD Series RF wireless transceiver modules, including low power / low voltage / resistance to a variety of strong interference module and two-way data transmission and other RF products; providing customers with a wireless remote control and a variety of wireless control / software / hardware development and production of wireless smart products. Applications: wireless intelligent control, electric windows, garage doors, gateways and other types of motor control; industrial control and a variety of door control; GSM / GPS / TPMS all kinds of car remote control, two-way security; intelligent home, infrared remote control RF remote control; remote control lights and switches, security and communications. http://www.tgdd-gd.com