Low-Profile 5G and 4G LTE Antennas for Small and Slim Devices

5G and 4G LTE Antennas | Synzen Precision Technology has unveiled ALCOR and ATRIA – two new low-profile antennas which are perfect for the wearable market or any IoT devices which require an ultra-slim design. Both designs deliver excellent performance at a limbo-defying height of only 1.6 mm.

5G and 4G LTE Antennas

ALCOR is a 5G low-profile surface mount antenna that has been developed to be compact but still cover bands from 617-6000MHz. It has a small footprint of 40 x 10 x 1.6 (mm) and a fallback to 4G/3G/2G.

ATRIA is even more compact but still covers bands from 698-2690MHz (also falls back to 3G/2G). It measures only 30.0 x 7.0 x 1.6 (mm) and requires a small clearance area (don’t be fooled by claims of small antennas which often need a much bigger clearance area).

Synzen’s Technical Director, Chris Tomlin, said: “Many antennas calling themselves low-profile are double the height – around 3mm. We’ve been able to halve that without losing any performance. Our elegant design solution is also cost-effective for customers because it doesn’t require any external RF switch circuits.”

ALCOR and ATRIA are suitable for MIMO applications and are designed to work in compact devices with limited space. These antennas are perfect for wearables, health monitoring, smart meters, and other slim IoT devices. These antennas form part of Synzen’s Galaxy Class, which all feature low-profile design solutions that maintain superior performance.


  • 617-6000MHz
  • For 5G / 4G LTE applications, but also backward compatible for 3G/2G systems
  • Small form factor of 40.0 x 10.0 x 1.6 (mm).
  • Minimal clearance of 40.0 x 13.5 (mm)


  • 698-2690MHz
  • For 4G LTE applications, but also backward compatible for 3G/2G systems
  • Small form factor of 30.0 x 7.0 x 1.6 (mm)
  • Minimal clearance of 30.0 x 12.0 (mm)
  • Left and right corner mount versions
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