---
description: Explore the Ultralytics nn modules pages on Transformer and MLP blocks, LayerNorm2d, and Deformable Transformer Decoder Layer.
keywords: Ultralytics, NN Modules, TransformerEncoderLayer, TransformerLayer, MLPBlock, LayerNorm2d, DeformableTransformerDecoderLayer, examples, code snippets, tutorials
---

## TransformerEncoderLayer
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### ::: ultralytics.nn.modules.transformer.TransformerEncoderLayer
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## AIFI
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### ::: ultralytics.nn.modules.transformer.AIFI
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## TransformerLayer
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### ::: ultralytics.nn.modules.transformer.TransformerLayer
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## TransformerBlock
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### ::: ultralytics.nn.modules.transformer.TransformerBlock
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## MLPBlock
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### ::: ultralytics.nn.modules.transformer.MLPBlock
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## MLP
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### ::: ultralytics.nn.modules.transformer.MLP
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## LayerNorm2d
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### ::: ultralytics.nn.modules.transformer.LayerNorm2d
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## MSDeformAttn
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### ::: ultralytics.nn.modules.transformer.MSDeformAttn
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## DeformableTransformerDecoderLayer
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### ::: ultralytics.nn.modules.transformer.DeformableTransformerDecoderLayer
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## DeformableTransformerDecoder
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### ::: ultralytics.nn.modules.transformer.DeformableTransformerDecoder
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