LILYGO® TTGO T-Internet-POE ESP32-WROOM LAN8720A Chip Ethernet Adapter And Downloader Expansion Board Programmable Hardware


Type: T-Internet-POE

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About this item


Product Detail :

1. Compatible with PoE mode A (powered by data pair) and PoE mode B (powered by backup pair) and auto MDIX, allowing the use of straight and crossover Ethernet cables. 

2. 20 needle footprint with 3.3V, V+ power and 15 ESP32GPIO are available for your application.  

3. The compact 75mm by 40mm footprint is compatible with 4 mounting holes of ordinary M2.5 or 4-40 screws. 


4. A small programming/USB serial console sub-module has been created so that the Inter-POE module can be easily programmed to meet the user's application needs. 


Hardware Specifications
Chipset ESPRESSIF-ESP32-WROOM,LAN8720A Ethernet chip,SI3404 Power management chip
Button BOT,Rest
External Device TF Card Slot,Type-C  Interface,PA2369NL 1825-S Transformer,HR861153C Ethernet-POE interface
USB to TTL CP2104
Modular interface  SD card,UART,SPI,I2C,PWM,I2S,ADC
On-board clock 32.768MHz crystal oscillator 
Working temperature range  -40℃ ~ +85℃
Weight 26.85g
Size 70*52.3*17mm
Power Supply Specifications
Power Supply Input Type-C USB  5V
HR861153C Ethernet-POE interface  50V
Working voltage 2.7V-3.6V
Maximum output current About 1.2A
Charging current 500mA
Standard FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC(esp32 chip)
Protocol 802.11 b/g/n(802.11n,speed up to150Mbps)A-MPDU and A-MSDU polymerization,support 0.4μS Protection interval
Frequency range 2.4GHz~2.5GHz(2400M~2483.5M)
Transmit Power 22dBm
Communication distance 300m
Protocol Meet bluetooth v4.2BR/EDR and BLE standard
Radio frequency With -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH
Audio frequency CVSD&SBC audio frequency
Software specification
Wi-Fi Mode Station/SoftAP/SoftAP+Station/P2P
Security mechanism WPA/WPA2/WPA2-Enterprise/WPS
Encryption Type  AES/RSA/ECC/SHA
Firmware upgrade UART download/OTA(Through network/host to download and write firmware)
Software Development Support cloud server development /SDK for user firmware development
Networking protocol IPv4,IPv6,SSL,TCP/UDP/HTTP/FTP/MQTT
User Configuration AT + Instruction set, cloud server, android/iOSapp

Package includes:

1 x T-Internet-POE 

1 x Double Row Pin 

Note: Not included Downloader

Note: The USB interface only has a charging function, the product needs downloader to program. 

Additional Information


Shipping information

(1) FREE Shipping 10 - 15 business days, (2) Standard Shipping 7 - 12 business days.

Shipping and Delivery Estimates

We ship in-stock orders as soon as possible. This is often within two business days, but there are situations where it may take longer. All estimates are based on business days.


(1) The shipping time mentioned above refers to the estimated time of business days that the shipment will take after an order has been shipped.

(2) Business days do not include Saturday/Sunday and any public holidays.

(3) These estimates are based on normal circumstances and are not a guarantee of delivery times.

(4) We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, customs issues, and any other event beyond our direct control.

for more information please visit our Shipping Policy Page.

Return and exchanges

Our policy lasts 14 days. If 14 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

for more information please visit our Refunds & Returns Policy page.