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History of the manufacturer  

Televa, Valtion Sähköpaja; Espoo

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Name: Televa, Valtion Sähköpaja; Espoo    (FIN)  
Abbreviation: televa
Products: Model types

Valtion Sähköpaja

Televa (from 1962)
Head office in Espoo, factory in Äänekoski

Televa produced radio systems (mobile units and base stations) to Finnish government organizations (military, police, railroad...). Televa started development of DX200 digital telephone exchange which became a success under the Nokia brand. 


  • AJO 15 (mobile radio, 15 watts transmitting power, tube power amp). Several variations, simplex/half-duplex, HF and VHF bands
  • ARP mobile telephones and base stations (several geneations from late 1960's to 1980's)
  • base stations (HF/VHF)
  • telephones and components
  • laboratory instruments

Founded: 1945
Closed: 1981
Production: 1945 - 1981


  • 1925 defence forces / radiolaboratory. Location: Santahamina
  • 1927 name change: M.O.D radio laboratory


  • 1945: MOD ordered the radio laboratory and maintenance units to be re-orgaiszed as one group, named "valtion sähköpaja" (state electrical workshop)
  • 1962: name change to Televa. main product: analogue telephone exchange.
  • 1971: development of digital telephone exchange (DX200) started. first unit sold in 1972
  • 1974 Factory moved to Äänekoski
  • 1976: re-organised and partially sold to Outokumpu and Valmet. State still owned 51%
  • 1977: telephone exchange production re-organized as "telefenno" company
  • 1981 State sold it's 51% to Nokia,merged with Nokia and Salora communicationsproduct lines and name changed Telenokia company. 

This manufacturer was suggested by Matti Adolfsen.


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