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Chipset ESPRESSIF-ESP32-PCIO-D4 Xtensa® single-/dual-core 32-bit LX6 microprocessor. FLASH QSPI flash/SRAM, up to 4 x 16 MB. SRAM 520 kB SRAM. KEY reset,IO36. dispaly 0.96 SSD1306. Power indicator lamp red
USB to TTL CP2104. modular interface SD card、UART、SPI、SDIO、12C、LED PWM、TV PWM、I2S、I2C、IRGPIO、capacitor Press sensor、ADC、DACLNA pre-amplifier
lora TTGO LORA
Colour: Black
Material: metal + pc
on-board clock 40MHz crystal oscillator
working voltage 2.3V-3.6V
working current about 60mA
sleep current 900 uA
working temperature range -40℃ ~ +85℃
size 80.14mm*25.15mm*11.95mm
Power Supply Specifications
Power Supply USB 5V/1A
charging current 500mA
battery 3.7V lithium battery
WIFI Description
protocol 802.11 b/g/n/e/i (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
Bluetooth Description
protocol meet bluetooth v4.2BR/EDR and BLE standard
radio frequency with -98dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH
audio frequency CVSD&SBC audio frequency
Software specification Description
wifi 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
OS FreeRTOS
Package Contents:
1* 20dm 915MHZ module
1* antenna
1* power cord
2* pins
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.