Features:

1. The smallest 802.11b/g/n Wi-Fi SoC module
2. Uses low power 32bit CPU and compatible with an application processor
3. Main frequency up to 160MHz
4. Built-in 10Bit high precision ADC
5. Support UART/GPIO/PWM/ADC interface
6. Integrate Wi-Fi MAC/BB/RF/PA/LNA
7. Support multiple sleep modes
8. Standby power consumption as low as 1.0mW
9. Embedded Lwip protocol stack
10. Support STA/AP/STA+AP work model
11. Support Smart Config/AirKiss
12. Series Rate up to 4Mbps
13. Universal AT instruction
14. Support serial local upgrade and remote firmware upgrade
15. Small size 18*18*2.8mm

Features:

1. Wi-Fi 2.4 GHz, support WPA/WPA2
2. 802.11 b/g/n
3. Integrated low power 32-bit MCU
4. Operating temperature range -40C ~ 85C
5. Support Smart Link Function for both Android and iOS devices
6. Integrated 10-bit ADC
7. Operating Current 80 mA
8. Operating Voltage 3.0-3.6 V

Specifications:

• LoRa ™ spread spectrum modulation technology
• Super-far-distance communication 15KM
• +20dBm-100mW voltage constant when the RF power output
• High sensitivity: low to -148dBm
• Half duplex SPI communication
• Programmable bitrates up to 300kbps
• Supports FSK, GFSK, MSK, GMSK, LoRa ™ and OOK modulation
• 127dB RSSI dynamic range
• Automatic RF signal detection, CAD models and ultra high-speed AFC
• With the CRC, up to 256 bytes of packet engine
• Small double stamp hole size SMD package
• Shielding shell
• IPEX external antenna (Ra-02)

Specifications:

1. Power supply: 5V
2. Processor: ESP8266
3. Logic level: 3.3V
4. WIFI module: ESP-12S
5. Built-in Flash: 32Mbit

Specifications:

• Compatible With:ESP8266 ESP-01/01S
• Operating Voltage:5 VDC
• USB to Serial Chip:CH340C
• Length (mm):50
• Width (mm):14
• Height (mm):12
• Weight (gm):6

Specifications:

• Size: 50mmx30mm
• USB-C Type Interface: you can connect a USB in any direction. Use USB-A to USB-C Cable.
• LEDs for Power, RX, TX
• Switch for Reset and Boot
• Both 3.3V and 5V are available on the O/P connector
• All signals on a standard 2.54mm Pitch Header (Header will come along with the board (unsoldered))

Specifications:

1. The on-board level shift circuit
2. Arduino UNO R3 and the compatible board can directly connect to this module;
3. Interface logic voltage: 3.3V / 5V compatible(On-board level shift circuit);
4. Working voltage: 4.5~5.5V (Onboard 3.3V LDO Regulator);
5. Working current: 240mA(MAX).

Specifications:

1. Transmission Distance (m) : 400
2. Trigger Voltage (VDC) : 5
3. Switching Voltage (VAC) : 250@10A
4. Switching Voltage (VDC) : 30@10A
5. Relay : 5V (10A/250V AC, 10A/30V DC)
6. Baud Rate : 9600
7. Length (mm) : 36
8. Width (mm) : 29
9. Height (mm) : 17
10. Weight (gm) : 17

Specifications:

• Brand: Hi-Link
• Network standard: wireless IEEE 802.11n, IEEE 802.11g,IEEE 802.11b wired IEEE 802.3, IEEE 802.3u
• Wireless transmission rate: 11n: maximum up to 150Mbps, 11g: maximum up to 54Mbps, 11b: maximum up to 11Mbps
• Track numbers: 1-14
• Frequency range: 2.4-2.4835G
• Emission power: 12-15DBM
• WIFI work mode: Client/AP/Router
• WDS Function:Support WDS wireless bridge connection
• Wireless security: Wireless MAC address filtering, Wireless security function switch, 64/128/152 bit WEP encryption, WPA-PSK/WPA2-PSK,WPA/WPA2 security mechanism
• Network management: Remote Web management, Configuration file import and export, WEB software upgrade
• Operating temperature: -20-70C
• TCP/UDP connection: Max connection number>20
• Operating humidity: 10%-90%RH
• Serial baud rate: 50~230400bps
• Storage temperature: -40-80C
• Storage humidity: 5%-90%RH

Specifications :

• Dynamic data rate : 802.11b : 1,2,5.5,11Mbps;
• 802.11g : 6,9,12,18,24,36,48,54Mbps;
• 802.11n: (20MHz)MCS0-7, up to 72 Mbps;
•  (40MHz)MCS0-7, up to 150 Mbps;
• Security support for 64/128 WEP, WPA, WPA2, WAPI.
• Operates in 2.4GHz frequency band.
• Drivers support multiple operation systems.

Specifications:

1. Lowest cost WI-FI
2. Flash size: 4MByte
3. Power input: 4.5V ~ 9V (10VMAX), USB-powered
4. Transfer rate: 110-460800bps
5. Support UART / GPIO data communication interface
6. Support Smart Link Smart Networking
7. Working temperature: -40°C ~ + 125°C
8. Drive Type: Dual high-power H-bridge
9. Don’t need to download resetting
10. A great set of tools to develop ESP8266

Specifications :

• Compatible with 3.3v or 5v I/O Arduino Board.
• Frequency Band:  433 MHZ (Pre-configure in factory)
• Low power consumption
• Compatible with Arduino Leonardo, Uno, Mega2560, DUE
• External Antenna via SMA Jack