Duplexer 499-509
Phelps Dodge Communications Co.; Marlboro, NJ
- Country
- United States of America (USA)
- Manufacturer / Brand
- Phelps Dodge Communications Co.; Marlboro, NJ
- Year
- 1968 ??
- Category
- Miscellaneous (Other, Various) - see notes
- Radiomuseum.org ID
- 354850
- Wave bands
- VHF incl. FM and/or UHF (see notes for details)
- Power type and voltage
- No Power needed
- Loudspeaker
- - - No sound reproduction output.
- Material
- Metal case
- from Radiomuseum.org
- Model: Duplexer 499-509 - Phelps Dodge Communications Co
- Shape
- Chassis only or for «building in»
- Dimensions (WHD)
- 16.875 x 33 x 12.875 inch / 429 x 838 x 327 mm
- Notes
-
Duplexer for use in the 144-174 MHz range (Exact frequencies may be specified). It consists of three cavities each with a special CPC developed notching circuit attached.
Two cavities are used in the receiver side and the third in the transmitter side.
100 dB isolation for 3 MHz or greater separation.
Possibility of mounting on a horizontal or vertical surface.
- Net weight (2.2 lb = 1 kg)
- 33 lb (33 lb 0 oz) / 14.982 kg
- Mentioned in
- -- Original prospect or advert ("The Radio Amateur's Handbook", Doug DeMaw, WICER Editor. 1968.)
- Author
- Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.
- Other Models
-
Here you find 3 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Phelps Dodge Communications Co.; Marlboro, NJ