This is a 4x20 5V Blue Character LCD display module with I2C controller. The I2C interface makes control by an Arduino simple and easy.
This is a Scott Edwards 4x20 Serial LCD with Terminal Features, Big-character Mode. It offers a terminal-style serial interface with many advanced features.
900 MHz 5dBi Rubber Duck Antenna - SMA Male Connector
900 MHz Rubber Duck Antenna - SMA Male Connector