WTT - Wireless Telecom Group Inc. 2021 Q1 - Results - Earnings Call Presentation November, 11 2021 12:54 PM Wireless Telecom Group Inc. The following slide deck was published by Wireless Telecom Group, Inc. in conjunction with their 2021 Q1 earnings call. For further details see: Wireless Telecom Group, Inc. 2021 Q1 - Results - Earnings Call Presentation