Heltec WiFi LoRa 32 V4 — Fully Assembled Mesh Node The Heltec WiFi LoRa 32 V4 is a compact, powerful LoRa mesh device built around the ESP32-S3 dual-core chipset paired with the SX1262 LoRa transceiver. Designed for Meshtastic, LoRaWAN, Bluetooth 5.0, BLE Mesh, and Wi-Fi communication, this Heltec V4 build is portable, rugged, and ready to go straight out of the box. Paired with the Alley Cat + MakerNova protective case system, the Heltec V4 becomes a reliable, field-ready communicator capable of 3–4 days of runtime per charge, depending on usage and radio duty cycle. 🚀 Highlights Fully assembled — minimal setup required ESP32-S3 MCU + SX1262 LoRa radio Wi-Fi 802.11 b/g/n + Bluetooth 5.0 LE / BLE Mesh Optional L76K GPS support on Pro variants USB-C power, Li-ion battery, and solar charge compatibility Swappable antennas and case fronts Pocket-sized, rugged, and portable Field-tested with MakerNova batteries 📦 Package Includes Heltec WiFi LoRa 32 V4 Board Antenna (Caterpillar or 17 cm Gizont, depending on model) Battery (2000 mAh or 3000 mAh, depending on variant) Custom MakerNova case front & back Black buttons MOLLE or Baofeng-compatible clip Lanyard (random color) Quick start / assembly card ⚡ Technical Specifications Feature Details MCU ESP32-S3R2 Dual-Core Xtensa LX7 (32-bit) Memory 2 MB PSRAM + 16 MB Flash LoRa Radio Semtech SX1262 Frequency Range 863–928 MHz (902–915 MHz typical for US) Transmit Power Up to 28 dBm (≈ 600 mW) Receive Sensitivity As low as −137 dBm @ SF12 Wireless Connectivity Wi-Fi 802.11 b/g/n + Bluetooth 5.0 LE + BLE Mesh Power Inputs USB-C, Li-ion battery, solar charge header (SH1.25-2P) Board Dimensions Approx. 51.7 × 25.4 × 10.7 mm Typical Runtime Approx. 3–4 days per charge (depends on settings and duty cycle) 📏 Case Dimensions Pocket: 60 × 40 × 24 mm Pocket SMA: 60 × 40 × 24 mm Pocket Pro: 65 × 40 × 24 mm Pocket Pro SMA: 65 × 40 × 24 mm Slim: 70 × 60 × 15.25 mm Slim Pro SMA: 89 × 73 × 15 mm 🔋 Battery Compatibility Only tested with MakerNova batteries: MakerNova 2000 mAh Li-Po — used in Pocket, Pocket SMA, Pocket Pro, and Pocket Pro SMA models (approx. 50 × 34 × 10 mm) MakerNova 3000 mAh Li-Po — used in Slim Pro SMA for extended runtime MakerNova 4000 mAh Li-Po — used in Slim Pro SMA for extended runtime 📡 Compatible Antennas Caterpillar 902-915 MHz LoRa Antenna (used on Pocket and Pocket Pro variants) 17 cm Gizont 915 MHz SMA Antenna (used on Pocket SMA, Pocket Pro SMA, and Slim Pro SMA) 🧩 Model Variants Choose the configuration that fits your use case: Variant GPS SMA Port Battery Best For Pocket No No 2000 mAh Simple portable mesh node Pocket SMA No Yes 2000 mAh Upgradable antennas / better range options Pocket Pro Yes (L76K GPS) No 2000 mAh GPS-enabled mapping, tracking, and location-aware mesh Pocket Pro SMA Yes (L76K GPS) Yes 2000 mAh GPS + external SMA antennas for maximum flexibility Slim Pro SMA Yes (L76K GPS) Yes 4000 mAh Longest runtime + SMA + GPS in a slim form factor Note: GPS modules require the Pro-style housing (Pocket Pro, Pocket Pro SMA, or Slim Pro SMA). Standard Pocket shells are not GPS compatible. 🎨 Color Options Custom front plate color (your choice) Black rear plate Black buttons Included clip (Baofeng or MOLLE-compatible) 🧭 Quick Setup Attach the antenna to the Heltec V4 (only for SMA variant) Power on, configure Meshtastic or your preferred firmware with phone or webpage. ⚠️ Legal Notice Meshtastic® is a registered trademark of Meshtastic LLC. Firmware and software components are released under various open-source licenses — please refer to the official Meshtastic GitHub repository for details. No warranty is provided. Use at your own risk. Always follow best practices for Li-ion battery safety, RF regulations in your region, and safe device operation.
