---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-21-022034"
form_type: "8-K"
ticker: "RFIL"
cik: "0000740664"
company_name: "R F INDUSTRIES LTD"
filed_at: "2021-09-13T23:59:59+00:00"
generated_at: "2026-06-29T04:20:51.925255+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# RF Industries Q3 net sales $15.3M, up 38% seq; backlog $31.5M; expects Q4 revenue growth

## Summary
- Net sales $15.3M, +38% sequential and +60% YoY; record backlog of $31.5M at quarter-end.
- Net income $926k ($0.09/diluted); non-GAAP net income $1.3M ($0.13/diluted).
- Gross margin 33% (incl. $800k ERC), ex-ERC 28%; adjusted EBITDA $1.0M.
- Q4 revenue expected higher than Q3, exceeding prior guidance; YTD revenue already above full FY2020.
- Cash $12.6M; wireless carrier orders for hybrid fiber cables supporting 5G infrastructure builds.

## SEC filing metadata
- accession: 0001437749-21-022034
- form_type: 8-K
- ticker: RFIL
- cik: 0000740664
- company_name: R F INDUSTRIES LTD
- filed_at: 2021-09-13T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/740664/000143774921022034/0001437749-21-022034-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/740664/000143774921022034/rfil20210913_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-21-022034
- JSON: https://secwatch.observer/filing/0001437749-21-022034.json
- Plain text: https://secwatch.observer/filing/0001437749-21-022034.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.