[ANT] Can I use the module without antenna for very short range. We recommend to always use a minimum antenna as PCB trace without metal under it. Last Update: August 8, 2017 January 11, 2017 1322 Antenna Q&A Related Knowledge Base Posts -[ANT] How wide should my routing of RF from module to antenna be?[ANT] Can I use a directional antenna with the module?[ANT] I would like to ask you if you have some reference design for usage of chip antenna with 868 MHz RC1181-TM.