Product descriptions from the supplier
- Microprocessor: ESP32-S3FN8 (Xtensa® 32-bit LX7 dual-core processor, five-stage pipeline rack Structure, frequency up to 240 MHz).
- SX1262 LoRa node chip.
- Type-C USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures.
- Onboard SH1.25-2 battery interface, integrated lithium battery management system (charge and discharge management, overcharge protection, battery power detection, USB / battery power automatic switching).
- Integrated WiFi, LoRa, Bluetooth three network connections, onboard Wi-Fi, Bluetooth dedicated 2.4GHz metal spring antenna, reserved IPEX (U.FL) interface for LoRa use.
- Onboard 0.96-inch 128*64 dot matrix OLED display can be used to display debugging information, battery power, and other information.
- Integrated CP2102 USB to serial port chip, convenient for program downloading, and debugging information printing.
- Support the Arduino development environment.
- We provide ESP32 + LoRaWAN protocol Arduino® library, this is a standard LoRaWAN protocol that can communicate with any LoRa gateway running the LoRaWAN protocol. To make this code run, a unique license is needed. it can be found on this page;
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With good RF circuit design and low-power design.
| Device Specifications | |
|---|---|
| Master Chip | ESP32-S3FN8 (Xtensa® 32-bit LX7 dual-core processor) |
| LoRa Chipset | SX1262 |
| USB to Serial Chip | CP2102 |
| Frequency | 470~510 MHz, 863~928 MHz |
| Max TX Power | 21 ±1 dBm |
| Max Receiving Sensitivity | -139 dBm |
| Wi-Fi | 802.11 b/g/n, up to 150 Mbps |
| Bluetooth | Bluetooth LE, Bluetooth 5, Bluetooth mesh |
| Hardware Resource | 7*ADC 1~2*DAC; 7*Touch; 3*UART; 2*I2C; 2*SPI; etc. |
| Memory | 384KB ROM; 512KB SRAM; 16KB RTC SRAM; 8MB SIP Flash |
| Interface | Type-C USB; 2*1.25 lithium battery interface; LoRa ANT (IPEX1.0); 2*18*2.54 Header Pin |
| Battery | 3.7V lithium battery power supply and charging |
| Operating Temperature | -20 ~ 70 °C |
| Dimensions | 50.2 × 25.5 × 10.2 mm |
Product warranty information
15 Days Warranty:
This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of TechTel customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.
What Voids Warranty:
If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.
Product shipping & returns policy
Shipping Policy:
- All orders confirmed before 3:00 PM IST are shipped the same day, barring rare pickup delays on holidays or disturbances.
- Delivery time in Metro cities is 1–3 days; for other locations, it is 3-7 days. Delivery varies based on location and courier service.
Return & Refund Policy:
- Return window: 7 days from receipt unless stated otherwise.
- No refunds or replacements after the return window.
- Returns are accepted only for non-working or damaged products.
- Initiate return requests via a Support ticket or contact us at 09830454555.
- Refunds are processed within 3-4 working days after inspection and approval.
Protections for this product
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