iPhone 5 support 802.11 a/b/g/n/h. It has concurent dual band 2.4GHz/5GHz with 1:1/1:1 antennas. 40 MHz wide channels in 5 GHz band. And also uses Short Guard Interval.
Category: Devices
Hardware reviews
Another nice document to read is ukrainian frequency plan. According to the document (version 05.09.2012) it is free to use indoor wi-fi devices with power < 100 mW. 802.11 b/g/n 2.4 GHz:
2400-2483,5 MHz – Wi-Fi channels 1-13
802.11 a/n 5 GHz:
5150-5250 MHz – Wi-Fi channels 34 – 48
5250-5300 MHz – Wi-Fi channels 52 – 56
5300-5350 MHz – Wi-Fi channels 60 – 64
5470-5670 MHz – Wi-Fi channels 100 – 132
5725-5850 MHz – Wi-Fi channels 149 – 165
see also wikipedia list of wi-fi channels
Some resarch in ukrainian legislation shows next Apple devices allowed to use in Ukraine:
Apple iPhone 3G (A1241)
Apple iPhone 3GS (A1303)
Apple iPhone 4 (A1332)
Apple iPhone 4S (A1387)
Apple iPad 2 wi-fi (A1395)
Apple iPad 3 wi-fi (A1416)
Apple iPad 2 wi-fi,3G (A1396)
Apple iPad 3 wi-fi,3G (A1430)
Apple Airport Express (A12**, A13**)
Apple Airport Extreme (A12**, A13**)
Apple Airport Extreme (A14**)
Apple Airport time Capsulе (A12**, A13**)
Apple Airport time Capsulе (A14**)
Apple iPod Touch (A1213)
Apple iPod Touch (A1288)
Apple iPod Touch (A12**, A13**)
..also computer, notebooks keyboards and mouses.
Information from registry version 04.10.2012. See full list:
http://www.nkrzi.gov.ua/uk/1297075853/
http://www.nkrzi.gov.ua/img/zstored/File/2012_10/Reestr%20v%202012-21.pdf
KYLV fixed.
iPhone 5 price compared with iPhone 4S year ago (about 5% growth because of Norwegian Krone exchange rate changes).
| iPhone 4S (2011) | iPhone 5 (2012) | |
| 16 GB | 4890 NOK | 5190 NOK |
| 32 GB | 5790 NOK | 6090 NOK |
| 64 GB | 6690 NOK | 6990 NOK |
NAS Synology DS-209+ with External Drive Zalman ZM-HE350 U3E (with Seagate ST2000DL003 5900RPM). Compare speed of external connected disk using USB 2.0 and eSATA.
| Read | Write | |
| USB 2.0 | 24 MB/s | 22 MB/s |
| eSATA | 125MB/s | 100 MB/s |
iOS 6 new maps navigation working on background of another application (i.e. Yandex maps). With both voice and text notifications:
See also how it work on locked screen:
Some screenshots of new iOS map application. No traffic info seen on map yet. Navigation is here, but Ukrainian streets names reading is absolutely terrible. And mistake in name of Ukrainian capital (Kyiv) is something very unexpected from Apple product.
To get understanding of why cheap USB Flash are cheap and some expensive are expensive. Let’s compare two 32GB flash drives from SanDisk. Cheap one is SanDisk Cruzer 32GB SDCZ36-032G. Expensive one is SanDisk Extreme USB 3.0 SDCZ80-032G.
 |
 |
|
| Sequential Read (MB/s) | 16,452 | 91,141 |
| Sequential Write (MB/s) | 3,828 | 76,589 |
| Random Read 512KB (MB/s) | 16,371 | 83,097 |
| Random Write 512KB (MB/s) | 0,548 | 6,252 |
| Random Read 4KB (QD=1) (MB/s) | 2,788 | 10,368 |
| Random Write 4KB (QD=1) (MB/s) | 1,795 | 9,994 |
| Random Read 4KB (QD=32) (MB/s) | 2,693 | 9,12 |
| Random Write 4KB (QD=32) (MB/s) | 0,22 | 2,936 |
| Price (approx.) | 20$ | 40$ |
Speed test done with CrystalDiskMark 3.0.1
Yet another SD cards to test:
Sandisk MicroSD 16GB Ultra
Trnscend SD 32GB Class 10
 |
 |
 |
 |
 |
|
|
| Sequential Read (MB/s) | 20,628 | 20,216 | 20,483 | 17,485 | 20,161 | 20.339 |
| Sequential Write (MB/s) | 18,589 | 12,979 | 20,064 | 11,23 | 16,82 | 8.532 |
| Random Read 512KB (MB/s) | 19,633 | 19,618 | 20,104 | 17,781 | 19,707 | 19,726 |
| Random Write 512KB (MB/s) | 4,911 | 1,465 | 1,56 | 1,858 | 0,681 | 6.851 |
| Random Read 4KB (QD=1) (MB/s) | 3,223 | 3,323 | 3,713 | 5,01 | 3,627 | 3,433 |
| Random Write 4KB (QD=1) (MB/s) | 0,046 | 0,012 | 1,382 | 0,017 | 0,006 | 1.692 |
| Random Read 4KB (QD=32) (MB/s) | 3,937 | 3,562 | 3,449 | 4,976 | 3,674 | 3.394 |
| Random Write 4KB (QD=32) (MB/s) | 0,049 | 0,013 | 0,448 | 0,018 | 0,006 | 0.449 |
* usual notebook embeded SDHC cardreader was used (without Sandisk proprietary 30MB/s or standard UHS-1 mode support)
tested with CrystalMark 3.0.1