Wi-Fi module product overview
ROHM's Wi-Fi module is equipped with a baseband section that performs modulation/demodulation processing and a MAC (Media Access Control) section that performs transmission/reception control, etc., using ROHM's in-house IC.
In addition, ROHM's optimized antenna design eliminates the need for high-frequency design. In addition, since it has already obtained domestic radio law certification, it can be used as wireless equipment immediately after being incorporated into the customer's developed product.
Product features
✓Compliant with EEE802.11b/g/n [20MHz, 1×1]
✓Equipped with a variety of host interfaces such as USB2.0, SDIO, and UART
✓WPA-PSK, WPA2-PSK, WPS and other wireless LAN standards compliant processing are all processed by modules
✓Built-in TCP/IP protocol stack version is also available
✓ Wide operating temperature range (-40 to +85°C)
✓Single 3.3V voltage drive
Product lineup
| Product name | Power supply voltage (V) | Host CPU I/F | Supported standards/module specifications | function | Installed system LSI | Operating temperature (℃) | Size (mm) |
| BP3580 | 3.1 to 3.5 (Single power supply) |
USB/SDIO/UART | ・IEEE802.11b/g/n | AP, STAs (infrastructure mode), STAs (ad hoc mode) |
BU1805AGU | –40 to +85 | 17.0×17.0×2.3 |
| BP3591 | 3.1 to 3.5 (Single power supply) |
USB/SDIO/UART | ・IEEE802.11b/g/n ・BP3580 and chip-antenna into 1 module |
BU1805AGU | –40 to +85 | 24.0×33.1×4.7 | |
| BP3595 | 3.1 to 3.5 (Single power supply) |
USB/SDIO/UART | ・IEEE802.11b/g/n ・The small size type of BP3591 |
BU1805AGU | –40 to +85 | 15.3×27.6×2.6 | |
| BP3599 | 3.1 to 3.5 (Single power supply) |
USB/SDIO/UART | ・IEEE802.11b/g/n ・Type with flash memory mounted on BP3591 ・Firmware is written in a flash memory |
BU1805AGU | –40 to +85 | 24.0×33.1×4.7 | |
| BP359B | 3.1 to 3.5 (Single power supply) |
UARTs | ・IEEE802.11b/g/n ・Type with MCU and flash memory mounted on BP3591 ・Firmware is written in a flash memory |
STAs (infrastructure mode) |
BU1805AGU | –40 to +70 | 24.0×33.1×4.7 |
Among the above products, the BP3595 is a smaller module that retains the functionality of the BP3591 (wireless LAN module with built-in antenna that conforms to IEEE802.11b/g/n). It can greatly contribute to the miniaturization of wireless LAN-equipped products. In addition, since there is software compatibility with BP3591/BP3599, assets developed with BP3591/BP3599 can be used as they are with BP3595.
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