This is an old revision of the document!
Crystal Model 271
Description
Optional plug-in crystal to add the 15 meter band, 21.0 - 21.5 MHz, to the Century 21 Model 570. Later models shipped included this crystal.
This is an old revision of the document!
Optional plug-in crystal to add the 15 meter band, 21.0 - 21.5 MHz, to the Century 21 Model 570. Later models shipped included this crystal.