JEM Engineering, LLC specializes in quick-reaction custom antenna development, novel antenna products, and rapid radio frequency (RF) testing services. The engineers at JEM have decades of combined experience in the development and validation of antennas, microwave circuits, phased arrays and associated electronics. We cover a spectrum from 2 MHz to 40 GHz. Our products are suitable for both government and commercial applications.

Who We Are

We are a dedicated, highly experienced antenna engineering firm. We focus on developing and validating antennas for both government and commercial applications.

Our Capabilities

With our in-house rapid prototyping and testing facilities we provide custom antenna products, development, and testing services. We house a fully-operational tapered far-field anechoic chamber. Our TATF chamber measures operating frequencies are 80MHz to 40GHz. Additionally, our facility includes as a high-speed spherical near to far-field anechoic chamber. The SNF Chamber measures operating frequencies between 400MHz to 6GHz.

Unbeatable Value

Our approach at JEM is both competitive and unique. Not only do we deliver quickly, we also extend our full 100% satisfaction guarantee to all of our customers on all of our products, as well as our services.

Our Commitment to Quality

We are dedicated to expanding and improving our quality management system to embrace the SAE aerospace standard, AS9100C. Also, we periodically run training to further enhance our quality system. JEM is always open to hearing suggestions, so please let us know how we can improve! Email us at

SIC: 3663
NAIC: 334220, 541330
MBE Cert: MBE03-233
CAGE Code: 3B6J2
PRO-NET: PO269524
CCR Registered
LDBE: LD2002-0338
JCP: 0037432
100% Woman Owned