Design, manufacture & distribute 'smarter safer' products that use telephone lines. Products include: 5-stage line surge lightning protector with optional external-relay control RFI filter, melody on-hold for any phone, tele-siren to deter ...

The company BONNEL TECHNOLOGY was founded in 1992 as a GmbH Germany (GmbH is identification code for german Limited Liability Company) and an s.r.o. (Czechian type of limited company, corresponding to the German GmbH) Czech Republic. After Republic had ...