AN-203A

AN-203A is a wireless liquid level transmitter developed and manufactured by WINEXT Technology that uses the LoRaWAN standard protocol. The official description states that it uses a highly stable and reliable piezoresistive liquid level sensor encapsulated through low-pressure injection molding, providing very stable and reliable overall performance and a wide measurement range. The cable length is configured according to customer requirements. Based on LoRa spread-spectrum communication technology, it incorporates a high-gain external antenna, which the official description states improves wireless signal transmission and reception and increases communication distance. It has a low-power integrated design with a built-in high-capacity battery. The official description states that the data receiver box is rugged and durable, has an IP65 protection rating, and can be used in harsh indoor and outdoor environments.

Original source text / 官方原文

AN-203A是唯传科技公司研制生产的一款采用LoRaWAN标准协议的无线传输液位变送器。传感器选用稳定性高和可靠性高的压阻式液位传感器，低压注塑工艺封装，整体性能非常稳定可靠，量程范围广，电缆长度根据顾客要求装配。基于LoRa扩频通信技术，搭配高增益外置天线能更好地发射、接收无线信号，提高无线传输的通信距离。低功耗一体化设计，内置大容量电池；数据接收盒坚固耐用及IP65的防护等级，可在室内外恶劣环境下使用。