280-868MHz RF Access Remote Control Keypad for Garage Door

280-868Mhz RF Access remote Control Keypad for Garage DoorDescription:1.Wireless Keypad use for gate automation systems. 2.This is a 4 channel transmitter that are activated only after having entered a Suitable combination. 3.The units are designed for installation in indoor or outdoor locations that ensures the utmost security because the transmitted code is changed at each transmission session. 4.The estimated transmission range is 200 m in open space and 35m indoors. 5.The units are designed to ensure battery life equivalent to an estimated 1 years of operation considering 10 times per day. Main Technical Parameters:   Frequency280-868mhzPower Supply3VTransmitter power1MwWork temp-20~+55°cDimension85*75*35mmWeight180gChannel4Usage:Company information:Our factory covers an area of approximately 2000 square meters, where for the past 10 years we have been manufacturing electronic products, mainly remote control, receiver, door opener system, motorcycle alarm and remote control duplicator etc. Our company professional R&D staff can meet your different request. We have advanced equipment for production, such as SMT, frequency machine, logo engraving machine laser etc. FAQ:  1.What frequency do you need?433.92 Mhz or 315 Mhz2.What encode do you need?rolling code : HCS301, HCS300, HCS200 etc.learning code: PT2240, EV1527 etc.fixed code :SC2260 , SC2262, etc.3. How can i pay for products? Payment: T/T ,Paypal ,Western Union.4. Do your products carry warranty?Yes, 6 month or more and permanent service.5. How do i purchase more than 1 remote? Please contact with me,we offer samples to test before ordering./* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1