Description
- 2x Wio-LR2021 Module for 868/915 MHz & 2.4 GHz Bands
- 2x Seeed Studio XIAO nRF54L15 Module
- 2x LoRa Plus Expansion Board
- 2x LF Antenna (868-915 MHz)
- 2x HF Antenna (2.4 GHz)
- 2x USB Cable Type-A Male to Type-C Male (1m)
- 2x U.FL to U.FL RF coaxial cable (100mm)
| RF Chip Specification | |
|---|---|
| Main Chip | LR2021 |
| Chip Size | 5 (W) × 5 (L) × 0.9 (H) mm |
| Chip Package | QFN-48 |
| Power Supply | 1.8 – 3.7 V (3.3 V typical) |
| Sleep Current | 470 nA (without RTC) 1.28 µA (with RTC) |
| Power Mode | SIMO DC-DC / LDO |
| Maximum Operating Current (Transmitter) | Sub-GHz: 105 mA @ +22 dBm 2.4 GHz: 27 mA @ +14 dBm |
| Maximum Operating Current (Receiver) | LoRa SF7 @ 125 kHz: 5.7 mA FLRC: 10.9 mA |
| Output Power | Sub-GHz: +22 dBm to −10 dBm 2.4 GHz: +12 dBm |
| Receiving Sensitivity | LoRa SF12 @ 125 kHz: −141.5 dBm FLRC @ 260 kbps: −111 dBm BLE @ 2 Mbps: −97 dBm |
| Harmonic Noise | 915 MHz @ 100 kHz: −104 dBc/Hz 2.45 GHz @ 100 kHz: −93 dBc/Hz |
| Antenna | RFI_LF (Sub-GHz) RFI_HF (2.4 GHz) Impedance: 50 Ω |
| Interface | SPI |
| Working Temperature | -40°C to +85°C |
| General | |
| Board Size | 65 (W) × 73 (L) × 27 (H) mm |
| Voltage | 3.3 V (USB Type-C) |
| Buttons | K1: User Button K2: Reset Button |
| Display | 0.96" OLED, 128 × 64 pixels |
| Grove Interface | I2C ×2 UART ×1 |
| Debug Interface | SWD |
| MCU | SAMD |
| Antenna | Sub-GHz, 2.4 GHz |