Update 11/19/24 - All Heltxt units will include GPS + Buzzer on default, no need to pay extra for these features anymore.

Specifications:

• Core microcontroller: Heltec ESP32 LORA v3
• LoRa Node Chip: SX1262
• Frequency: 863~928MHz
• Buzzer: Passive Buzzer 9042 16 ohm (Included)
• GPS: GT-U7 GPS module (Included)
• Battery: 4000mAh Li-ion (~146hrs runtime on standby)
• Additional Sensor(Optional): BME680 Sensor(Temp. Humidity Pressure Sensor)
• Antenna: Stock Antenna 1.5db
• Antenna (Optional): Folding Antenna 3.5db
• Silicone button Keyboard: 50 Key QWERTY
• WiFi: 802.11 b/g/n, up to 150Mbps
• Bluetooth: Bluetooth 5 (LE)
• Connectivity: USB-C port
• Dimensions: 98mm x 88.7mm x 19.3mm
• Weight: 6oz/8oz

Introducing the HelTXT:

An affordable entry-level device designed for those who need a reliable communication solution for off-grid scenarios that is ready to go out of the box. This compact unit is a standalone communication device that doesn't require a smartphone for operation. Ideal for preppers, emergency situations, outdoor adventures, or anyone looking to get started with Meshtastic with little technical knowledge, the HelTXT integrates seamlessly into the Meshtastic LoRa platform, enabling you to build a reliable mesh network with multiple devices.

You can enhance your HelTXT experience with optional add-on features that cater to your specific needs. The GPS module is perfect for hikers, allowing the device to share its location with other users so you can know where all parties are located should anyone get lost. It's also invaluable in concerts or large events where cell networks are saturated, ensuring you can locate your friends and family easily. Additionally, the buzzer provides audible notifications when a message is received, ensuring you never miss an important update.

Key Features:

- Standalone Operation: The HelTXT is a self-sufficient device that doesn't require a smartphone, WiFi or Bluetooth connectivity for messaging but still has the capability to do if preferred.

- Meshtastic Compatibility: It's compatible with all Meshtastic nodes, allowing you to establish a reliable mesh network without any hassle.

- Affordable Entry Device: Designed for those beginners who need a cost-effective solution for off-grid communication who may be unsure to commit to similar devices sold at higher prices.

- User-Friendly Interface: With a 0.96-inch OLED screen and an integrated keyboard, the HelTXT makes message composition and sending easy.

- GPS Add-On:Perfect for hikers and large events, allows the device to share its location with other users, enabling you to locate other mesh users by seeing an arrow pointing to them on the screen.

- Buzzer Add-On: Provides audible notifications when a message is received, ensuring you never miss an important update.

- BME680 Sensor(Add On): This sensor can measure ambient humidity, barometric pressure, ambient temperature and gas (VOC). Perfect for those concerned with the air quality around them.

Package Contents:

• HelTXT device
• 863-928MHz antenna for long-range communication
• Manual

About Meshtastic:

Meshtastic is a peer-to-peer networking technology that uses the LoRa (Long Range) standard for text-based communication. It allows devices to communicate over long distances without the need for cellular or Wi-Fi networks. Meshtastic enables users to create private, encrypted mesh networks, making it ideal for off-grid scenarios, outdoor adventures, and emergency situations.

Disclaimer: This is a 3D printed case that may have some imperfections. I am responsible for the assembly, case design, and device configuration. However, I do not provide support for the Meshtastic app or its features.