![Raspberry Pi 2 Model B Project Board Raspberry Pi 2 Model B Project Board](https://dwmzone.com/826-large_default/raspberry-pi-2-model-b-project-board.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.