Heltec WiFi LoRa 32 V4 Fully Assembled Mesh Node Ready-to-Use Heltec V4 Meshtastic Device 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 to 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 What's In The Box Heltec WiFi LoRa 32 V4 Board Antenna (Caterpillar or 17 cm Gizont, depending on model) Battery (2000 mAh or 4000 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 to 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 GPS: 89 × 73 × 15 mm Battery Compatibility Only tested with MakerNova batteries: MakerNova 2000 mAh Li-Po: used in Pocket, Pocket SMA, Pocket Pro, Pocket Pro SMA, and Slim models (approx. 50 × 34 × 10 mm) MakerNova 4000 mAh Li-Po: used in Slim Pro GPS for extended runtime Compatible Antennas 2dBi Compact Whip Antenna (internal, used on Pocket, Pocket Pro, and Slim) 17 cm Gizont 915 MHz SMA Antenna (used on Pocket SMA, Pocket Pro SMA, and Slim Pro GPS) 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 No No 2000 mAh Sleek, balanced everyday design Slim Pro GPS 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 GPS). 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. Meshtastic® is a registered trademark of Meshtastic LLC. MeshCore is an open-source mesh networking project released under the MIT License, and its name is currently the subject of an unresolved trademark dispute; it is used here only to describe firmware compatibility. Software components referenced in this listing are released under their respective open-source licenses, see GitHub 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.
