[UPGRADED SPECTRUM ANALYZER] Developed by Hugen, Ultra+ ZS406 installed with NEW V0.4.6, with 4.0 inch 480*320 large touchscreen display, 100kHz to 5.4GHz widely measure range. And with the new ESD protection function, the has a higher anti-static level and a longer service life. Built-in 32GB micro-SD card, solving the on-site data storage issue, convenient for data sharing and storage. [WIDELY FREQUENCY RANGE] Compared to the (100kHz to 960MHz), the Tiny sa ULTRA+ has an ultra measuring frequency range of 100kHz to 5.4GHz, spectrum analyzer for 100kHz-900MHz and Ultra mode up to 6GHz. Switchable resolution bandpass filters from 200Hz to 850kHz, you could fast and accurate execute measurement tests. Color display showing max 450 points providing gapless covering up to the full frequency range. [USB Interface Powered] The ZK09-BM is a USB-powered low noise amplifier, adds a battery and reduces power consumption, making it suitable for portable use. Ultra-broadband, Low noise. Good flatness in the 100k-10GHz range. Gain: 21dB, OP1dB: 13dBm Typ. Can be used to replace -8095, -8625 modules. [Built-in Battery] Built-in 300mAh battery, it has a flatter and more consistent gain, lower noise figure, smaller size, and longer battery life (Charging 210mA, Total 260mA, Battery life 5 hours). [Application] Recommended for use as ULTRA 5.8GHz preamplifier(Unless specifically requested, please avoid using both the built-in LNA and external LNA of ULTRA at the same time). For & (SDR). Notice:If there are differences in words, it not affect the application. Color:Black Material:plastic Package Contents: 1 * Handheld Spectrum Analyzer 1 * USB Type-C data cable 2 * 30cm ALSR100 SMA cables 1 * SMA-SMA connector 1 * Antenna with SMA connector 1 * Lanyard and touch plectrum 1 * Stylus pen 1 * ZK09-BM LNA Amplifier 1 * 32GB Micro-SD card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.