page_title: BC-610
section_title: Specifications
hierarchical_section_title: BC-610 / Specifications
caption_attribution_description: Deutsch: Sender und Abstimmgerät der Funkstation SM-46 (SCR-499-A) im Militärmuseum Full
context_page_description: The BC-610 was a radio transmitter based on the Hallicrafters HT-4 and was used by the U.S. Army Signal Corps during World War II.
context_section_description: Frequency coverage: 2 to 18 MHz
  Mode: AM, CW
  RF power Output: <400 watts CW, <300 watts AM, MCW
  Vacuum tubes: Eimac 250TH final, pair 100TH modulator, various rectifier and low level tubes
  Operating frequency determined by plug-in tuning units and final coils (up to three at once) in addition to FT-171B crystals
  Signal Corps Radio sets: SCR-299, SCR-399, SCR-499, or GRC-38, AM requires BC-614 (or Hallicrafters HT-5) speech amplifier
  Weight: 390 lb (177 kg) (without BC-614)
  Manual: TM 11-280
  The "A" through "I" models are the same basic unit with relatively minor component and cosmetic differences.
caption: BC-610 Transmitter
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