Makerfocus 4pcs ESP8266 Esp-01 Serial Wireless WiFi Transceiver Module Compatible with Arduino (ESP-01S)

Makerfocus 4pcs ESP8266 Esp-01 Serial Wireless WiFi Transceiver Module Compatible with Arduino (ESP-01S)

<b>4pcs ESP8266 ESP-01S WiFi Serial Transceiver Module with 1MB Flash for Arduino</b><br/><br/><b>Feature:</b><br/>SDIO 2.0, SPI, UART<br/>32-pin QFN package<br/>Wi-Fi Direct (P2P), soft-AP<br/>Integrated TCP/IP protocol stack<br/>Integrated TR switch, balun, LNA, power amplifier and matching network<br/>Integrated PLLs, regulators, DCXO and power management units<br/>+19.5dBm output power in 802.11b mode<br/>Power down leakage current of andlt;10uA<br/>Integrated low power 32-bit CPU could be used as application processor<br/>SDIO 1.1/2.0, SPI, UART<br/>STBC, 1×1 MIMO, 2×1 MIMO<br/>A-MPDU andamp; A-MSDU aggregation andamp; 0.4ms guard interval<br/>Integrated RF switch, balun, 24dBm PA, DCXO, and PMU<br/><b> </b>Integrated RISC processor, on-chip memory and external memory interfaces<br/>Integrated MAC/baseband processors<br/>Quality of Service management<br/>I2S interface for high fidelity audio applications<br/>On-chip low-dropout linear regulators for all internal supplies<br/>Proprietary spurious-free clock generation architecture<br/>The PCB layout has changed for an improvement in WiFi radio performance.<br/><br/>Package Including<br/>4 * ESP8266 ESP-01S WiFi Serial Transceiver Module