Makerfocus 4pcs ESP8266 ESP-01S WiFi Serial Transceiver Module with 1MB Flash for Arduino

Price: $16.99 $13.99
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Manufacturer Description

4pcs ESP8266 ESP-01S WiFi Serial Transceiver Module with 1MB Flash for Arduino

Feature:
SDIO 2.0, SPI, UART
32-pin QFN package
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 andlt;10uA
Integrated low power 32-bit CPU could be used as application processor
SDIO 1.1/2.0, SPI, UART
STBC, 1×1 MIMO, 2×1 MIMO
A-MPDU andamp; A-MSDU aggregation andamp; 0.4ms guard interval
Integrated RF switch, balun, 24dBm PA, DCXO, and PMU
Integrated RISC processor, on-chip memory and external memory interfaces
Integrated MAC/baseband processors
Quality of Service management
I2S interface for high fidelity audio applications
On-chip low-dropout linear regulators for all internal supplies
Proprietary spurious-free clock generation architecture
The PCB layout has changed for an improvement in WiFi radio performance.

Package Including
4 * ESP8266 ESP-01S WiFi Serial Transceiver Module

Product Features

Latest version esp-01s,comparing to ESP-01, ESP-01S will provide you stronger antenna singna 1MB Flash Memory. upgraded from 512KB Integrated WEP, TKIP, AES, and WAPI engines. 802.11 b/g/n Wake up and transmit packets in 2ms. Standby power consumption of 1.0mW (DTIM3) Document link: https://nurdspace.nl/ESP8266

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