Seeed Studio Development Board Development Board for Grove Sensors 915MHz 102010129

LoRaWAN Class A/C
Ultra long range of communication
GPS communication
Ultra low power consumption
Minimum current (3.7V lipo battery) - 2mA
Minimum current (3.7V lipo battery & remove PWR LED) - 80 uA
Arduino/Processor
ATSAMD21G18 @ 48MHz with 3.3V logic/power
Arduino compatible (based on Arduino Zero bootloader)
Embedded with lithium battery management chip and status indicator led
20 GPIOs
4 on-board Grove connectors
18 x PWM pins
6 x analogue inputs
1 x analogue output (A0)
3.3V regulator with 200mA output
Reset button
LoRaWAN/RHF76-052
1.45uA sleep current in WOR mode (Spec of the modules, not the board)
High link budget of 160dB. -140dBm sensitivity and 19dBm Output power.
Dual band, 434/470MHz and 868/915MHz
19dBm@434MHz/470MHz
14dBm@868MHz/915MHz
Support LoRaWAN protocol, Class A/C
Ultra long range communication
Ultra low power consumption
Firmware upgrade
Small size: 23mm X 28mm with 33 pin SMT package