1REDUCE EXTERNAL INTERFERENCE: Metal shielding design of mini vector network analyzer reduces external interference and improves measurement accuracy 2ANTENNA PERFORMANCE MEASUREMENT: The default firmware of the main function is used for antenna performance measurement. The TX or RX method can measure the complete S11 and S21 parameters. If you need to obtain S12 and S22, you need to manually replace the transceiver port wiring 3STURDY AND DURABLE: Vector network analyzer adopt aluminum alloy shell, sturdy and durable for a long service life 4PROTECT ACCURATE CIRCUIT Complete metal shell can totally protect the internal accurate circuit while considering the protection of the external interface 510KHZ-5GHZ MEASURING FREQUENCY: Measuring frequency is from 10KHz-5GHz, equipped with RF cable and Type-C data cable