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Silvertel Ag9900 Offers A Simple, Ultra-small, Fully IEEE802.3af Compliant PoE Solution

Symmetry Electronics Team in Blogs on January 15, 2017

About Symmetry Electronics Team

Established in 1998, Symmetry Electronics is a focused global distributor of wireless connectivity solutions, sensors, and audio-video technologies. Offering comprehensive design support and available-to-ship inventory, Symmetry is committed to helping engineers accelerate time to market, reduce costs, and offer modern solutions for their IoT designs. Acquired by Berkshire Hathaway company, TTI, Inc. in 2017, Symmetry Electronics is part of the Exponential Technology Group (XTG) – a supergroup of electronic component distributors and engineering services firms working together to advance the electronics industry. For more information, visit www.symmetryelectronics.com.

The Silvertel Ag9900 series PD modules pushes the boundaries of POE miniaturisation further than ever before, yet still offers all the features expected from Silvertel’s POE. This is the smallest package size available that is designed to extract power from a Cat5 cable, fully conforming to the 802.3af Power-over-Ethernet (PoE) standard and includes 1.5kV isolation, PoE signature and an integral DC to DC converter. The module provides a Class 0 signature.


Miniaturised POE PD module:

  •  Low cost & simple integration
  •  Integral DC/DC converter
  •  1500V isolation
  •  Power: 12W/12V, 9W/5V or 6W/3.3V
  •  Industrial temperature option
  •  Overload & short-circuit protection
  •  Fully IEEE802.3af compliant POEsolution
  •  40% smaller than any other PoE
  •  Smallest in the worldSMT-21mm(L)x 14mm(W)x13.35mm(H)



Ag9900 offers a simple, ultra-small PoE solution using minimal external low cost components. External bridge rectifiers enable the device to be powered from midor end-span PSE, accepting power from either the spare or data pairs of the cable. An integrated optimised DC/DC converter operates over a wide input voltage range with high efficiency (up to 87%). Built-in protection against overloads and shortcircuits is also provided. The regulated DC output voltage is easily adjusted using a simple pull up/down resistor.

The Ag9900M provides signature and control circuitry to give full PoE compatibility. A signature is required by the Power Sourcing Equipment (PSE) before it will provide power to the port.

Silvertel’s Ag9900 is ideally suited as a cost effective solution for POE for any application, but particularly for very small devices and space limited designs such as IP phones, WAPs, sensors and access control panels.


For additional Silvertel product information or technical support, contact Symmetry Electronics, an authorized distributor of industry leading wireless, audio/video and embedded chips, modules and dev/eval tools, call (877) 466-9722.

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Symmetry Electronics Team in Blogs on January 15, 2017

About Symmetry Electronics Team

Established in 1998, Symmetry Electronics is a focused global distributor of wireless connectivity solutions, sensors, and audio-video technologies. Offering comprehensive design support and available-to-ship inventory, Symmetry is committed to helping engineers accelerate time to market, reduce costs, and offer modern solutions for their IoT designs. Acquired by Berkshire Hathaway company, TTI, Inc. in 2017, Symmetry Electronics is part of the Exponential Technology Group (XTG) – a supergroup of electronic component distributors and engineering services firms working together to advance the electronics industry. For more information, visit www.symmetryelectronics.com.

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