how do you flash new firmware? I want to install the latest meshtastic with meshtastic flasher tool, but won't go into boot mode

OK, this is the 3rd time I've tried to answer this question. If Amazon doesn't want me to answer, they should probably stop asking. The most reliable way I have found to flash the firmware is to use the python tool ,ESPtool, that works with the ESP32 chip. You can find instructions on meshtasticDOTorg under Getting Started > Flashing Firmware > CLI Script - ESP32 Obviously you need to make sure you are writing the correct firmware.

What is the overall board dimensions?

Please check the video there to show the product size.

What is the typical range for one of these devices? More then a mile?

My three boards are setup with SoftRF firmware not Mestastic but the hardware is the same. They are used to track gliders, the longest range when testing was just over 20 miles. But the unit was at 3000 ft. They are line of sight devices if the terrain is blocking it will be much shorter.

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LILYGO T-Beam Meshtastic LORA32 915MHz ESP32 TTGO Development Board WiFi BLE CH9102F Chip Soldered OLED Module

LILYGO T-Beam Meshtastic LORA32 915MHz ESP32 TTGO Development Board WiFi BLE CH9102F Chip Soldered OLED Module

Product ID: 471261747

Details

Brand
LILYGO
CPU speed
915 MHz
Installed RAM memory size
8 MB
Memory storage capacity
4 MB
Model name
T-Beam

📡915MHz LoRa long-range low-power

🧠ESP32 MCU with 4MB Flash + 8MB PSRAM

🛰️Built-in NEO-6M GPS module

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Description

🚀 Elevate your IoT game with the T-Beam: where long-range meets smart power!

PRECISION GPS TRACKING - Integrated NEO-6M GPS with ceramic antenna ensures reliable positioning, perfect for location-aware projects and mesh networks.
PLUG AND PLAY PROGRAMMING - CH9102F serial chip simplifies coding with easy driver installation, accelerating your development workflow.
POWERHOUSE ESP 32 PERFORMANCE - 4MB Flash and 8MB PSRAM onboard empower smooth multitasking and rapid prototyping for your IoT innovations.
SEAMLESS LONG RANGE CONNECTIVITY - Harness the SX1276 LoRa chip for ultra-efficient 915MHz data transmission that keeps you connected beyond WiFi limits.
COMPACT FLEXIBLE ANTENNA DESIGN - Space-saving 3D WiFi antenna plus an IPEX base for external antenna options—customize your setup without compromise.

The LILYGO T-Beam Meshtastic LORA32 915MHz ESP32 TTGO Development Board is a cutting-edge IoT platform combining a powerful ESP32 MCU (4MB Flash, 8MB PSRAM) with a low-power SX1276 LoRa chip for long-distance wireless communication. Featuring an integrated NEO-6M GPS module and a compact OLED display, it supports WiFi and BLE connectivity, making it ideal for mesh networking and location-based projects. Its versatile antenna options and user-friendly CH9102F programming interface make it a top choice for developers seeking efficient, scalable solutions.

Specifications

ASIN	B0B63FV7FR
Best Sellers Rank	#67,370 in Computers ( See Top 100 in Computers ) #984 in Single-Board Computers
Brand	LILYGO
Built-In Media	OLED Display, Wi-Fi Module
Compatible Devices	Various - WiFi, BLE, Lora
Connectivity Technology	Wi-Fi
Customer Reviews	4.4 4.4 out of 5 stars (216)
Global Trade Identification Number	16971336331124
Manufacturer	LILYGO
Manufacturer Contact Information	shenzhenshixinyuandianzikejiyouxiangongsi Adresse: Bantian,Yousuowei Building,Room 801-803 ,Gangtou Community,No. 2000 Jiaxian Road ,Shenzhen,Guangdong E-Mail: [email protected]
Memory Storage Capacity	4 MB
Model Name	T-Beam
Model Number	Meshtastic
Operating System	FreeRTOS
Processor Brand	Espressif
Processor Count	1
Processor Speed	915 MHz
RAM Memory Installed	8 MB
RAM Memory Technology	PSRAM
Total Usb Ports	1
Unit Count	1 Count
Wireless Compability	802.11n

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