# `TeltonikaCodec.Codec8Extended`
[🔗](https://github.com/neilberkman/teltonika_codec/blob/v0.1.0/lib/teltonika_codec/codec8_extended.ex#L1)

Parser for Teltonika Codec 8 Extended (ID `0x8E`).

Extends Codec 8 with 2-byte I/O element IDs and counts, supporting
up to 65535 distinct AVL IDs. Also adds variable-length (NX) I/O
elements with per-element length descriptors.

## I/O Element Layout

    <<event_io_id::16, total_count::16,
      n1_count::16, ...1-byte values (2-byte IDs)...,
      n2_count::16, ...2-byte values (2-byte IDs)...,
      n4_count::16, ...4-byte values (2-byte IDs)...,
      n8_count::16, ...8-byte values (2-byte IDs)...,
      nx_count::16, ...variable-length values...>>

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*Consult [api-reference.md](api-reference.md) for complete listing*