**********NEW
UPGRADED VERSION: This Vector Network Analyzer added battery circuit management, more secure. Redesigned PCB, you can connect to mobile phone with Type C-Type C cable ( original PCB needs OTG cable), see a clear HD image on your phone. Designed a practical and simple control application on PC, you can download touchstone (SNP) files for radio design and simulation software. Moreover, added a shell case, which is protective and dust-proof.
*****IMPROVED HIGH ACCURACY: HF VHF UHF Antenna Analyzer Measuring added a shell case, which is protective and dust-proof. The metal shield is designed to reduce the external interference and improve the measurement accuracy*****IMPROVED
FREQUENCY ALGORITHM RANGE: Frequency range is 10KHz - 1.5GH z. The improved frequency algorithm can use the odd harmonic extension of si5351 to support the measurement frequency up to 1.5GH z. The 50K-300MHz frequency range of the si5351 direct output provides better than 70dB dynamic, The extended 300M-900MH