Antennas and more questions from the Technician exam pool.
Equipment
The transceiver is built on the scheme with a single superheterodyne frequency conversion and four Crystal quartz filter. The device is controlled by a microcontroller. The frequency synthesizer used as a local oscillator on-chip SI5351 The... Read more
![Amptec HF2015DX Amplifier [ First Video ]](http://qrznow.com/wp-content/uploads/2016/06/13418697_274756909542928_7182125022279320675_n-90x60.jpg)
VHF
Application For on-site communications such as warehouse, manufacturing, hospitality, school and security occasion, etc. Main Features ■ 50 CTCSS tones/105 DCS codes ■ 128 channels to store ■ Wide frequency range UHF: 400-470MHz /... Read more
App - Mobile
This is an Android application used to remotely control several HAM radio – any CAT enabled transceiver over Bluetooth, USB/Serial or with secure authentication over Network (with a PC component; – multiple WebSDR servers aroun... Read more
![Amptec HF2015DX Amplifier [ First Video ]](http://qrznow.com/wp-content/uploads/2016/06/13418697_274756909542928_7182125022279320675_n-180x120.jpg)
![YOTA Camp 2016 [ Video ]](http://qrznow.com/wp-content/uploads/2016/08/yota-90x60.jpg)
![YOTA Camp 2016 [ Video ]](http://qrznow.com/wp-content/uploads/2016/08/yota-180x120.jpg)
![US Navy tests signal lamp-based ship-to-ship [ Morse Code ]](http://qrznow.com/wp-content/uploads/2017/07/signal-lamp-6-90x60.jpg)
![US Navy tests signal lamp-based ship-to-ship [ Morse Code ]](http://qrznow.com/wp-content/uploads/2017/07/signal-lamp-6-180x120.jpg)
![HAM RADIO 2017 FRIEDRICHSHAFEN [ Videos and Photos ]](http://qrznow.com/wp-content/uploads/2017/07/19961611_1043424805794705_9094819903876948130_n-265x168.jpg)
