![DWM-MAX485 module RS-485 module TTL to RS-485 module DWM-MAX485 module RS-485 module TTL to RS-485 module](https://odlstore.com/667-large_default/max485-module-rs-485-module-ttl-to-rs-485-module.jpg)
Reference: DWM14042301
Spring-Antenna 315MHz /433MHz /868MHz /915MHz
Spring antenna is specialized for wireless data transmission. This antenna with good performance of V.S.W.R, small size design, easily installation, stable performance and good anti-shock and anti-aged compatible for Hoperf Modules.