LoRaWAN RF Transceiver EVK
WD-FLHM EVK-1
WD-FLHM EVK is added with sensors and necessary components based on the WD-FLHM module, and provide streamlined test firmware to quickly assess the module efficiency.
The wireless connection protocol of the WD-FLHM module is LoRaWAN can connect to the network and transfer data in accordance with the specified LoRaWAN Region and the corresponding LoRaWAN Gateway. WD-FLHM EVK is added with sensors and necessary components based on the WD-FLHM module, and provide streamlined test firmware to quickly assess the module efficiency.
WD-FLHM Module
Frequency Band: 868MHz / 915MHz
Dimension: 12(W)×12(L)×2.45(H) mm 36pins SMD
Antenna: External
Temperature Range: -40°C ~ +85°C
Supply Voltage: 3.3 V Type (1.8 V ~ 3.6 V)
TX Power: Transmitter max output power +20.5 dBm
RX Sensitivity: -148 dBm for LoRa(at 10.4 kHz, spreading factor 12)
Transmitter Current: 108mA @ Max output power in 868MHz type (50 Ω), 105mA @ Max output power in 915MHz type (50 Ω )
Sleep Current: Less than 2uA
Modulation: LoRa (Chirp Spectrum)
Protocol: LoRaWAN V1.03
LoRaWAN Region: EU868, IN865, RU864, US915, AU915, KR920, AS923
Topology: Star
Bitrates: Up to 62.5K bps
WD-FLHM EVK
Antenna: SMA Connector
PCB dimension:28.45×56.85 (mm)
Work temperature: -40°C ~ 85°C
Sensor: 1 thermometer / hygrometer
Buttons × 2
Interface feature: 1 set of Micro USB
Flexible power management: AA battery (alkaline battery)
Standard 2-Wires SWD debugging port