Introducing the HT-CT62, an advanced LoRa/LoRaWAN node module engineered to deliver exceptional long-range wireless connectivity with minimal power consumption. Built around the ESP32-C3FN4 processor featuring RISC-V 32-bit architecture and the high-performance Semtech SX1262 LoRa transceiver, this dual-mode communication module seamlessly combines 2.4 GHz Wi-Fi and LoRa capabilities. Its compact footprint and integrated stamp hole packaging make it perfectly suited for diverse applications including urban infrastructure monitoring, agricultural automation, residential IoT systems, Meshtastic mesh networking, and commercial IoT deployments. Compatible with both LoRaWAN protocol standards and proprietary LoRa configurations, this module delivers professional-grade performance for developers and system integrators. Core Capabilities Central Processing Unit: ESP32-C3FN4 featuring RISC-V 32-bit architecture with clock speeds reaching 160 MHz Built-in Wi-Fi connectivity with onboard antenna interface featuring IPEX connector Full compatibility with Arduino integrated development environment Complete LoRaWAN 1.0.2 protocol implementation Advanced power management delivering just 10uA consumption during deep sleep mode Compact 1.27mm pitch stamp hole footprint optimized for surface mount assembly Precision-tuned impedance matching ensuring maximum transmission distance Technical Parameters Parameters Description Master Chip ESP32-C3FN4 (32-bit @ RISC-V architecture) WiFi 802.11 b/g/n, up to 150Mbps LoRa Chipset SX1262 Frequency 470~510MHz, 863~928MHz Max. TX Power 21±1dBm Max. Receiving Sensitivity -134dBm Hardware Resource 5*ADC1+1*ADC2; 2*UART; 1*I2C; 3*SPI; 15*GPIO; etc. Memory 384KB ROM; 400KB SRAM; 8KB RTC SRAM; 4MB SiP Flash Interface 2.4G ANT (IPEX1.0); LoRa ANT(IPEX1.0); 2*11*1.27mm spacing Stamp hole Power Consumption Deep Sleep 10uA Operating Temperature -40~85 ℃ Dimensions 17.78 * 17.78* 2.8mm Key Advantages Surface Mount Ready: The precision-engineered 1.27mm stamp hole layout enables seamless integration into custom PCB designs through standard SMT manufacturing processes. Developer-Friendly Platform: Comprehensive Arduino IDE support with extensive libraries ensures rapid prototyping and reliable LoRaWAN network integration for your projects. Superior RF Performance: Optimized antenna matching combined with the industry-leading SX1262 transceiver delivers exceptional range and link reliability in challenging environments. Energy Efficient Operation: With deep sleep current consumption of merely 10uA, this module excels in battery-operated deployments requiring extended field operation. Pin Configuration Frequently Asked Questions Serial output shows no data: For USB-to-Serial adapters, establish connections to device pins 20/21; when using direct USB connection, utilize pins 17/18 instead. RF performance degraded after soldering: Excessive reflow temperatures may cause the electromagnetic shielding to shift position, potentially creating short circuits that impact signal quality. Board selection unavailable in Arduino IDE: Navigate to the board manager and select Wireless Mini Shell from the available options. Package Contents Standard package includes the following components: Item Quantity HT-CT62 x1
