Wireless Stick Lite(V3)-433mhz
Construct sub-GHz IoT gateways, Meshtastic nodes, and remote sensor monitors using this Heltec Wireless Stick Lite (V3) 433MHz Board.
Transmitting sensor data through thick walls or across long outdoor distances strains traditional Wi-Fi connections. However, this feature-packed Heltec Wireless Stick Lite V3 provides reliable long-range radio connectivity. It leverages the 433MHz RF frequency band to deliver deep signal penetration through physical obstacles. Consequently, you can maintain stable wireless links across complex agricultural or industrial environments without relying on cellular data.
Key Features:
ESP32-S3 Dual-Core Architecture: It features a fast ESP32-S3 microcontroller running up to 240 MHz with 8MB Flash memory. Because of this powerful CPU core, running complex wireless mesh protocols and encryption algorithms is smooth.
Integrated Semtech SX1262 LoRa Transceiver: The board includes a high-efficiency SX1262 radio chip tuned for 433MHz operation. Therefore, your network nodes achieve exceptional receiver sensitivity and long communication range.
Tri-Mode Connectivity (LoRa, Wi-Fi, BLE): It combines sub-GHz LoRa radio with 2.4GHz Wi-Fi and Bluetooth 5. Furthermore, this hybrid connectivity allows easy smartphone commissioning and cloud gateway bridging.
Integrated Lithium Battery Management System: It features an SH1.25 battery connector paired with an onboard charging IC. Simply plug in a 3.7V LiPo battery to deploy self-powered wireless sensor nodes outdoors.
Why should you choose this Heltec Wireless Stick Lite V3 board? Are you designing Meshtastic mesh nodes, building smart agricultural telemetry, or setting up remote environmental trackers? Because of its ultra-low deep sleep power consumption, battery-powered field deployments last significantly longer. Moreover, programming the module via Arduino IDE or MicroPython takes only minutes over the native USB Type-C port. Furthermore, it offers exceptional RF performance and compact form-factor for developers, makers, and network engineers alike. Therefore, it is an ideal hardware platform for long-range IoT projects. Simply connect the 433MHz antenna to start transmitting wireless data today.
Technical Specs:
Main Microcontroller: ESP32-S3FN8 (Xtensa 32-bit LX7 dual-core processor up to 240 MHz).
LoRa Radio Chipset: Semtech SX1262.
Operating Frequency Band: 433 MHz Sub-GHz RF Band.
Wireless Protocols: LoRaWAN, Meshtastic, 802.11 b/g/n Wi-Fi, Bluetooth 5 (BLE).
Memory: 8MB Onboard SPI Flash.
Interface Ports: USB Type-C (Programming/Power), SH1.25 2-Pin Battery Port, IPEX/U.FL Antenna Connector.
Output TX Power: Up to +21 dBm adjustable radio transmission power.
Form Factor: Breadboard-friendly slim pinout footprint.























