Description: 
The AllWize K1 is an Arduino® UNO form factor shield to convert any Arduino® board with this format into a device connectable over the Wize protocol. Just connect the shield, select a serial port and install our library (in the Arduino® IDE or PlatformIO) to start having fun.
 
Box content:
5 x AllWize K1 boards
Wize compatible -9 dBi 169 MHz SMA antenna
Note: the AllWize K1 does NOT come with the Arduino® board
 
Technical features:
Size: 6,8cm x 5,3cm x 2cm
Wize radio transceiver embedded
SMA antenna connector, with a selectable μFL connector for pigtails
Serial control over a selectable serial port by jumpers
Temperature sensor included + 3 Grove connectors for other sensors and actuators
3.3V & 5V operating voltage; selectable voltage for the Grove sensors
Low-cost gateway implementation available
Compatible with Arduino® UNO, Arduino® Leonardo, Arduino® Zero/M0 Pro, WeMos D1, and other Arduino® boards based on these architectures
 
Wiki: http://wiki.allwize.io/index.php?title=Allwize_K1 
GitHub: https://github.com/AllWize/AllWizeK1-hardware/wiki/Allwize-K1-Shield---RevPB