Check the listing for details. US Automatic 030217 Remote Control Transmitter - Patriot, Ranger, Sentry 300. Condition: New. Listed at 24.95 USD. US Automatic 030217 Remote Control Transmitter - Patriot, Ranger, Sentry 300USAutomatic TransmitterP art #030217 is a high security digital radio transmitter operating in UHF band (The operating frequency is 433.92 Mhz ) in AM/ASK modulation.It has been designed for the control of automatic closing systems and anti-burglar systems, thanks to its very high security coding system with 19683 code combinations.The equipment is manufactured in accordance with the American Standard FCC Cfr 47 part. 15It is available in 2 versions ( 030217 ) with 2 ( 030217 ) or 4 ( 030218 ) buttons and with a metal clip that allows to fix it on the visor of the car. The security code is identical to the one used by USAutomatic Part # 030210 or Part # 030212.The combinations of the 3 state-9 positions dipswitch are 19683: for this reason the transmitter is equipped with a special circuit that, through a detecting coil, can get the security code by proximity from an old transmitter (030210/030212) and set it as security code of the brand-new one via "Clone / Copy"Payments & Returns Policy