Non Linear Junction Detector Manufacturer

Research Electronics International (USA) — manufacturer of the “ORION” series NLJD.

Shenzhen iSecus Electronic Co., Ltd. (China) — maker of the DT‑810, DT‑824S and other NLJD models.

ELVIRA® / Lornet Export LLC (Russia) — manufacturer of the “Lornet” series NLJDs (e.g., Lornet 24, Lornet 36).

Beijing Defense Co., Ltd. (China) — produces NLJDs among its counter‑IED and EOD equipment line.