Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Model number | sSpec number | Cores | Frequency | Turbo | L2 cache | L3 cache | GPU model | GPU frequency | Socket | I/O bus | Release date | Part number(s) | Release price ( USD ) |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| standard power | standard power | standard power | standard power | standard power | standard power | standard power | standard power | standard power | standard power | standard power | standard power | standard power | standard power |
| Core i7-2620M | SR03F(J1)SR041(J1) | 2 | 2.7 GHz | 5/7 | 2 × 256 KB | 4 MB | HD Graphics 3000 | 650–1300 MHz | SocketG2 BGA-1023 | DMI 2.0 | February 2011 | FF8062700838809AV8062700839009 | $346 |
| Core i7-2640M | SR03R(J1)SR043(J1) | 2 | 2.8 GHz | 5/7 | 2 × 256 KB | 4 MB | HD Graphics 3000 | 650–1300 MHz | Socket G2BGA-1023 | DMI 2.0 | September 2011 | FF8062700838905AV8062700839107 | $346 |
| low power | low power | low power | low power | low power | low power | low power | low power | low power | low power | low power | low power | low power | low power |
| Core i7-2629M | SR04D(J1) | 2 | 2.1 GHz | 6/9 | 2 × 256 KB | 4 MB | HD Graphics 3000 | 500–1100 MHz | BGA-1023 | DMI 2.0 | February 2011 | AV8062700851111 | $317 |
| Core i7-2649M | SR04N(J1) | 2 | 2.3 GHz | 6/9 | 2 × 256 KB | 4 MB | HD Graphics 3000 | 500–1100 MHz | BGA-1023 | DMI 2.0 | February 2011 | AV8062700850010 | $346 |
| low power, embedded | low power, embedded | low power, embedded | low power, embedded | low power, embedded | low power, embedded | low power, embedded | low power, embedded | low power, embedded | low power, embedded | low power, embedded | low power, embedded | low power, embedded | low power, embedded |
| Core i7-2655LE | SR078(D2) | 2 | 2.2 GHz | 5/7 | 2 × 256 KB | 4 MB | HD Graphics 3000 | 650–1000 MHz | BGA-1023 | DMI 2.0 | February 2011 | AV8062700849508 | $346 |
| ultra-low power | ultra-low power | ultra-low power | ultra-low power | ultra-low power | ultra-low power | ultra-low power | ultra-low power | ultra-low power | ultra-low power | ultra-low power | ultra-low power | ultra-low power | ultra-low power |
| Core i7-2617M | SR03T(J1) | 2 | 1.5 GHz | 8/11 | 2 × 256 KB | 4 MB | HD Graphics 3000 | 350–950 MHz | BGA-1023 | DMI 2.0 | February 2011 | AV8062701040904 | $289 |
| Core i7-2637M | SR0D3(J1) | 2 | 1.7 GHz | 8/11 | 2 × 256 KB | 4 MB | HD Graphics 3000 | 350–1200 MHz | BGA-1023 | DMI 2.0 | June 2011 | AV8062701041105 | $289 |
| Core i7-2657M | SR03S(J1) | 2 | 1.6 GHz | 8/11 | 2 × 256 KB | 4 MB | HD Graphics 3000 | 350–1000 MHz | BGA-1023 | DMI 2.0 | February 2011 | AV8062701040804 | $317 |
| Core i7-2677M | SR0D2(J1) | 2 | 1.8 GHz | 8/11 | 2 × 256 KB | 4 MB | HD Graphics 3000 | 350–1200 MHz | BGA-1023 | DMI 2.0 | June 2011 | AV8062701041005 | $317 |
| ultra-low power, embedded | ultra-low power, embedded | ultra-low power, embedded | ultra-low power, embedded | ultra-low power, embedded | ultra-low power, embedded | ultra-low power, embedded | ultra-low power, embedded | ultra-low power, embedded | ultra-low power, embedded | ultra-low power, embedded | ultra-low power, embedded | ultra-low power, embedded | ultra-low power, embedded |
| Core i7-2610UE | SR079(D2) | 2 | 1.5 GHz | 6/9 | 2 × 256 KB | 4 MB | HD Graphics 3000 | 350–850 MHz | BGA-1023 | DMI 2.0 | February 2011 | AV8062700849607 | $317 |
Question:
What's the release date of the processor with 2.8 ghz of frequency?
Answer:
September 2011