1. trunktracking

    Electrosonics International Of Riverside, New Jersey

    All, I know Electrosonics International of Riverside, New Jersey (who formerly produced Instalert Tone Encoders & Receivers) closed several years ago. Does anyone know what happened to their remaining inventory? I am searching for a Vintage Instalert Tone Encoder Model ET-10, if anyone knows...
  2. webby52

    Instalert out of business

    I recently was looking to have a tone added to my Instalert siren controller and tried my best to get a hold of the owner Nick in Riverside, NJ. The phone just goes to voicemail and the fax machine has been shut off, emails go unanswered. After calling the police who refused to do a welfare...