
- Spread Spectrum: Hedy Lamarr and the mobile phone
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From $9.99 (New)

From $9.99 (New)

| Latest | $9.99 19 hrs ago |
| Highest | $9.99 Aug 25, '15 |
| Lowest | $7.91 May 4, '15 |
| Average | $9.99 (30d avg) $9.99 (90d avg) $9.99 (180d avg) $9.32 (365d avg) $9.02 (Lifetime average) |
| Added | Nov 10, 2013 |
| Latest | $7.26 19 hrs ago |
| Highest | $8.97 May 28, '14 |
| Lowest | $7.11 Jul 19, '15 |
| Average | $7.26 (30d avg) $7.25 (90d avg) $7.23 (180d avg) $7.28 (365d avg) $7.52 (Lifetime average) |
| Added | Nov 10, 2013 |
| Latest | $9.07 19 hrs ago |
| Highest | $9.60 Mar 1, '16 |
| Lowest | $2.16 Oct 17, '14 |
| Average | $9.60 (30d avg) $7.78 (90d avg) $6.98 (180d avg) $6.37 (365d avg) $6.42 (Lifetime average) |
| Added | Nov 10, 2013 |
30 day average: 685,599
90 day average: 632,722