AT&T Network Ready Program- Antenna Performance Limits Update

新聞日期:2018.11.06


AT&T updates the Antenna performance Limits on 2018/9/27 with following changes.
Change Summary:

• Addition of LTE B29 requirement:
- Devices supporting Carrier aggregation and Band 29, must test at least one CA band combination which includes Band 29 (e.g. CA_2A-29A, CA_4A-29A, etc.)

• Remove UMTS requirement.

• Clarified Cat M1 requirements:
- LTE-M Wearable Devices shall also apply the Small Form Factor limits. Shall be tested using the wrist phantom for wrist worn devices, or the body phantom for all other wearable device types
• Clarified Wearable requirements:
- For wearables supporting VoLTE seek guidance from ATT SME on the Envelope Correlation Coefficient (ECC)
requirements for primary and secondary antennas.
- To be tested using the wrist phantom for wrist worn devices. Or the body phantom for all other wearable device types.
• Reference website:
https://iotdevices.att.com/networkready.aspx


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eric.chu @intertek.com
技術 02-66022888 分機380薛先生
bruce.hsueh@intertek.com

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