The company produced on the beginning some switches and commutators. After WW2 nationalization the company was renamed as Bydgoska Fabryka Artykulow Elektrotechnicznych (Plant for electrotechnic material in Bydgoszcz). In 50s the company produced some shassis for tube radios and push button band switches. The basic change in history of company was production of first Polish miniaturized and tranzistorized portable radio model Eltra MOT-59. Later many kind of portable radio models were the company`s general production portfolio, for example Koliber, Sylwia, Kama, Mariola, Jowita, Julia stereo, or some tuner towers for Unitra. Company usually chose woman names for its models. During 70s and 80s the company was a part of Zjednoczenia Przemyslu Elektronicznego Unitra (United electonic industry - Unitra). Later company produced radio model family Lena and Ala. In 2004 company merger with Elda Szczecinek Elektrotechnika S.A. under name Elda-Eltra Elektrotechnika S.A. The company produce beside radio models some electro wiring and communication material for buildings.