Inexpensive GPS mobile Antenna
- An inexpensive external GPS antenna, for 1.5 GHz band for GPS receiver, If you operate APRS or just need an external antenna for your GPS receiver, here’s one that is easy to build yet offers surprisingly good performance in a compact size. Best of all, it uses commonly available components and materials.
Digital Oscilloscope kit
- The kit is build on a 75mm x 65 mm PCB and consists of only a few components. Kit includes comprehensive hardware details, Windows 95/98 software plus all the parts you needs to build this project.
Pravacy Speaker PMR446
- We are a leading developer and manufacturer PMR446 in Korea. Our new developed PMR446 model no. IFR-100 has new function like as private speaker it allow not to speak out from the radio and only you can hear the communication by using a private talk mode.