| 1 | A | B | C | D | E | F | G | H | I | J | K | L | M |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | AirPort Time Capsule - Comparison chart |  |  |  |  |  |  |  |  |  |  |  |  |
| 3 | Model | 1st generation (early 2008) | 1st generation (early 2008) | 2nd generation, part 1 (early 2009) | 2nd generation, part 1 (early 2009) | 2nd generation, part 2 (mid 2009) | 2nd generation, part 2 (mid 2009) | 3rd generation (late 2009) | 3rd generation (late 2009) | 4th generation (mid 2011) | 4th generation (mid 2011) | 5th generation (mid 2013) | 5th generation (mid 2013) |
| 4 | Marketing name | Time Capsule | Time Capsule | Time Capsule | Time Capsule | Time Capsule | Time Capsule | Time Capsule | Time Capsule | Time Capsule | Time Capsule | AirPort Time Capsule | AirPort Time Capsule |
| 5 | Release date | February 29, 2008 | February 29, 2008 | March 3, 2009 | March 3, 2009 | July 30, 2009 | July 30, 2009 | October 20, 2009 | October 20, 2009 | June 21, 2011 | June 21, 2011 | June 10, 2013 | June 10, 2013 |
| 6 | Marketing model number | MB276LL/A | MB277LL/A | MB764LL/A | MB765LL/A | MB765LL/A (same as early 2009) | MB996LL/A | MC343LL/A | MC344LL/A | MD032LL/A | MD033LL/A | ME177LL/A | ME182LL/A |
| 7 | Model number | A1254 | A1254 | A1302 | A1302 | A1302 | A1302 | A1355 | A1355 | A1409 | A1409 | A1470 | A1470 |
| 8 | Hard drive | 500 GB | 1 TB | 500 GB | 1 TB | 1 TB | 2 TB | 1 TB | 2 TB | 2 TB | 3 TB | 2 TB | 3 TB |
| 9 | Original price | US$299 (smaller hard drive model) / US$499 (larger hard drive model) | US$299 (smaller hard drive model) / US$499 (larger hard drive model) | US$299 (smaller hard drive model) / US$499 (larger hard drive model) | US$299 (smaller hard drive model) / US$499 (larger hard drive model) | US$299 (smaller hard drive model) / US$499 (larger hard drive model) | US$299 (smaller hard drive model) / US$499 (larger hard drive model) | US$299 (smaller hard drive model) / US$499 (larger hard drive model) | US$299 (smaller hard drive model) / US$499 (larger hard drive model) | US$299 (smaller hard drive model) / US$499 (larger hard drive model) | US$299 (smaller hard drive model) / US$499 (larger hard drive model) | US$299 (2TB) / US$399 (3TB) | US$299 (2TB) / US$399 (3TB) |
| 10 | Guest networking | No | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| 11 | 802.11a/b/g/n 2.4 GHz / 5 GHz bands | Single-band operation | Single-band operation | Dual-band operation | Dual-band operation | Dual-band operation | Dual-band operation | Dual-band operation | Dual-band operation | Dual-band operation | Dual-band operation | Dual-band operation | Dual-band operation |
| 12 | Internal Wi-Fi | Marvell | Marvell | Atheros AR9220/AR9223 | Atheros AR9220/AR9223 | Atheros AR9220/AR9223 | Atheros AR9220/AR9223 | Marvell | Marvell | Broadcom BCM4331 | Broadcom BCM4331 | Broadcom BCM4360 | Broadcom BCM4360 |
| 13 | Standards | 802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n (draft) | 802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n (draft) | 802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n (draft) | 802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n (draft) | 802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n (draft) | 802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n (draft) | 802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n | 802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n | 802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n | 802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n | 802.11 DSSS 1 & 2 Mbit/s standard, 802.11ac (draft)/a/b/g/n | 802.11 DSSS 1 & 2 Mbit/s standard, 802.11ac (draft)/a/b/g/n |
| 14 | Data link protocol | Gigabit Ethernet, IEEE 802.11a/b/g/n (draft) | Gigabit Ethernet, IEEE 802.11a/b/g/n (draft) | Gigabit Ethernet, IEEE 802.11a/b/g/n (draft) | Gigabit Ethernet, IEEE 802.11a/b/g/n (draft) | Gigabit Ethernet, IEEE 802.11a/b/g/n (draft) | Gigabit Ethernet, IEEE 802.11a/b/g/n (draft) | Gigabit Ethernet, IEEE 802.11a/b/g/n | Gigabit Ethernet, IEEE 802.11a/b/g/n | Gigabit Ethernet, IEEE 802.11a/b/g/n | Gigabit Ethernet, IEEE 802.11a/b/g/n | Gigabit Ethernet, IEEE 802.11ac (draft)/a/b/g/n | Gigabit Ethernet, IEEE 802.11ac (draft)/a/b/g/n |
| 15 | Network / transport protocol | Bonjour, IPsec, L2TP, PPTP | Bonjour, IPsec, L2TP, PPTP | Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP | Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP | Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP | Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP | Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP | Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP | Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP | Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP | Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP | Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP |

Question: What are the wifi capabilities of the AirPort Time Capsule?
Answer: 802.11ac was supported in the 5th generation of the AirPort Time Capsule.