This project is based on Ameba A1 Pico (RTL8720DN from Realtek), it has dual-core ARM Cortex-M processors clocked at 20MHz and 200MHz respectively, equipped with 5G & 2.4G WiFi as well as BLE5.0, 512KB SRAM, 2MB Flash, thus its able to house many applications into the single firmware on the flash. With the TFT LCD Menu feature, you can easily add your own application and start hacking~ Now this is the combination of all 3 previous projects, this is a "Swiss-Army-Knife" type of microcontroller-based WiFi toolkit for your on-the-go Wi-Fi analysis's need. The RF Explorer 3G Combo is a great diagnostic tool that is well-suited for monitoring and trouble-shooting cell phone signals, public safety signals and Wi-Fi systems that operate in the 2.4 GHz bands.I have previously demonstrated a few other projects such as Whip helical antenna for the 2.4GHz band.Nagoya NA-773 wide-band telescopic antenna for all Sub-GHz frequencies.It has two SMA connectors for attaching the following two included antennas: This model includes the 1G base unit and a 3G expansion module. Also, you can gain additional functionality by connecting it to the USB port of a PC. Therefore, it is suitable for indoor or outdoor use. Because of it’s low power consumption, it can run 16+ hours on a single charge of the internal Lithium-ion polymer battery. This affordable device is convenient and compact without sacrificing performance. Because the 3G Combo is a such a great tool, it is perfect for measuring RF spectrum the most popular frequency bands. The RF Explorer brand of handheld digital spectrum analyzers is a very affordable RF tool. It will cover all cell phone, Bluetooth and 2.4 GHz WiFi bands. The 3G Combo model covers from 15 – 2700 MHz. The RF Explorer 3G Combo is a handheld digital spectrum analyzer.
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