ESP-01 ESP8266 module

Package DIP-8
Size 24.7*14.4*11.0
SPI Flash Default 8Mbit
Interface UART/GPIO
IO Port 2
UART Baudrate Support 300 ~ 4608000 bps ˈDefault 115200 bps
Frequency Range 2412 ~ 2484MHz
Antenna PCB antenna, 2 dBi
Secondary Development Support
Transmit Power
802.11b: 16±2 dBm (@11Mbps)
802.11g: 14±2 dBm (@54Mbps)
802.11n: 13±2 dBm (@HT20, MCS7)
Receiving Sensitivity
CCK, 1 Mbps : -90dBm
CCK, 11 Mbps: -85dBm
6 Mbps (1/2 BPSK): -88dBm
54 Mbps (3/4 64-QAM): -70dB
HT20, MCS7 (65 Mbps, 72.2 Mbps): -67dBm
Power (Typical Values)
Continuous Transmission => Average: ~ 71mA, Peak: 300mA
Modem Sleep: ~20mA
Light Sleep: ~2mA
Deep Sleep: ~0.02mA
Security WEP/WPA-PSK/WPA2-PSK
Power Supply Voltage 3.0V ~ 3.6VˈCurrent >300mA