General Features / Specs
- Manufacturer: Heltec Automation
- PCB Model: HTIT-Tracker V1.1 (868MHz)
- Core IC: Espressif ESP32-S3FN8 (Xtensa® 32-bit LX7 Dual-Core Processor, Up to 240MHz)
- Flash Memory: 8MB Quad SPI In-Package Flash
- ROM: 384kB
- SRAM: 512kB
- RTC SRAM: 16kB
- LoRa Chip: Semtech SX1262
- LoRa Antenna Connector: Male IPEX Socket (1st Gen)
- LoRa Frequency: 868MHz
- GNSS Chip: Unicore UC6580
- GNSS Antenna: On-Board Patch Antenna / Male IPEX Socket (1st Gen)
- Display: 0.96 Inch 160*80 RGB TFT LCD
- Battery Connector: 2-Pin SH Series Socket (1.25mm Pitch)
- Battery Interface Features: Integrated Lithium battery management system (Charge and discharge management, overcharge protection, battery power detection, USB / battery power automatic switching)
- Lithium Battery Supply Requirements: 3.3 – 4.2VDC (≥ 250mA)
- USB Connector Type: USB Type-C
- USB Interface Features: ESD protection / Short Circuit Protection / RF Shielding
- USB Supply Requirements: 4.7 – 6.0VDC (≥ 500mA)
- 3.3V Pin Supply Requirements: 2.7 – 3.5VDC (≥ 150mA)
- 3.3V Pin Max Output Current: 500mA
- Typical Current Consumption (USB Powered): WiFi Scan – 100mA / WiFi AP – 150mA / BT – 102mA / GNSS – 120mA / LoRa TX @ 14dB – 200mA / LoRa TX @ 22dBm – 240mA / LoRa RX – 80mA (Tx Disabled)
- Typical Current Consumption (Battery Powered): WiFi Scan – 74mA / WiFi AP – 111mA / BT – 75mA / GNSS – 89mA / LoRa TX @ 14dB – 148mA / LoRa TX @ 22dBm – 178mA / LoRa RX – 59mA (Tx Disabled)
- Certifications: CE
- Operating Temperature: -20 to +70°C
- Dimensions: ~(65.48mm x 28.06mm x 13.52mm)
WiFi Features / Specs
- WiFi Protocols: 802.11 b/g/n (1T1R mode with data rate up to 150 Mbps)
- Frequency Band: 2.4GHz (Supports 20MHz and 40Mhz Bandwidth)
- Wireless Network Modes: Station / SoftAP / SoftAP + Station
- Hardware Features: 45x Programmable GPIO’s / 4x SPI / 1x LCD Interface / 1x DVP Camera Interface / 3x UART / 2x I2C / 2x I2S / 1x RMT (TX; RX) / etc
- WiFi Security: Secure Boot / Flash Encryption / 4k-bit OTP, up to 1792 bits for users / Cryptographic Hardware Acceleration
Bluetooth Features / Specs
- Bluetooth Protocols: Bluetooth LE – Bluetooth 5, Bluetooth Mesh
- Power: Up to 20dBm
- Speeds: 125kbps / 500kbps / 1MBps / 2MBps
- Other Features: Internal co-existence mechanism allowing WiFi and Bluetooth to share a single antenna
LoRa SX1262 Features / Specs
- Working Frequency: 868Mhz
- Receive Sensitivity: As low as -148dBm
- RX Current: 4.6mA
- Transmit Power: Up to +22dBm
- Programmable Bit Rate: Up to 62.5kbps LoRa and 300kbps FSK
- Modulation Types: FSK / GFSK / MSK / GMSK / LoRa / Long Range FHSS
GNSS UC6580 Features / Specs
- Constellations: GPS / BDS / GLONASS / Galileo / QZSS / NavIC / SBAS
- Channels: 96
- Single Point: Horizontal – 1.5m
- Positioning (RMS): Vertical – 2.5m
- Velocity Accuracy (RMS): 0.1m/s
- Time Accuracy (RMS): 5ns, peak-to-peak value 30ns (24h)
- Time To First Fix (TTFF): Cold Start < 30s / Hot Start < 2s
- Power Consumption @ 3V: < 40mA
- Sensitivity: Tracking: -165 dBm / Acquisition: -148 dBm / Hot Start: -156 dBm / Reacquisition: -159dBm
- Update Rate: GNSS @ 1Hz / 5Hz / 10Hz
- Differential Data: RTCM V3.X
- Data Format: NMEA-0183 / Unicore