ESP01S ESP8266-01S ESP 8266 01S 01 S Wifi Wireless Internet Arduino M

ESP-01S THIS IS THE UPGRADATION OF ESP-01 BOARD, HAD SMALL IMPROVEMENT ON PCB. FEATURES: 1MB (8Mbit) Flash size. Very competitive price AP, STA, AP+STA modes available. Very simple AT commands, easy to use. Internal LWIP interface. Four pins interface, VCC-3V3, GND, TXD and RXD. Two extra GPIOs can use. AT commands firmware. New IC ESP8266ex Package All unit packaing is in tape reel Specifications: -802.11 b/g/n -Wi-Fi Direct (P2P), soft-AP -Integrated TCP/IP protocol stack -Integrated TR switch, balun, LNA, power amplifier and matching network -Integrated PLLs, regulators, DCXO and power management units - +19.5dBm output power in 802.11b mode -Power down leakage current of 10uA -1MB Flash Memory -Integrated low power 32-bit CPU could be used as application processor -SDIO 1.1 / 2.0, SPI, UART -STBC, 11 MIMO, 21 MIMO -A-MPDU & A-MSDU aggregation & 0.4ms guard interval -Wake up and transmit packets in < 2ms -Standby power consumption of < 1.0mW