Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

M-tron Industries, Inc.

Orlando, Florida

We consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated March 25, 2026 relating to the consolidated financial statements of M-tron Industries, Inc. as of and for the years ended December 31, 2025 and 2024 which report appears in M-tron Industries, Inc.’s Annual Report on Form 10-K for the year ended December 31, 2025.

/s/ PKF O’Connor Davies, LLP

New York, New York

September 23, 2026

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