Search results

...ence clock for some 315 MHz transmitters and receivers, e.g. [[garage door opener]]s. (Alternative frequencies for the same chipsets: 6.0630 MHz ...ence clock for some 390 MHz transmitters and receivers, e.g. [[garage door opener]]s. (Alternative frequencies for the same chipsets: 4.8970 MHz ...

...patent for tuning filed in April 1900 and granted a year later opened the door to patents disputes since it infringed on the Syntonic patents of Oliver Lo ...cheap high frequency applications such as [[walkie-talkie]]s and [[garage door opener]]s. ...