Tabele przedstawione tutaj sa pogladowe a nie precyzyjne

Pobor pradu
(ENEA-Zach.Pom. taryfa G11, en. czynna-brutto 1KWh = 0.3499 zl, skl. zmienny-brutto 1KWh = 0.2013 zl):
Jesli urzadznie pobiera srednio:
Sredni poborDzienny kosztMiesieczny (30 dni)koszt
10W0.1322883.96864
50W0.6614419.8432
80W1.05830431.74912
100W1.3228839.6864
Czyli za komputer o poboze pradu ok. 200W + monitor LCD 40W urzywany przez 8 godzin na dobe zaplacimy okolo 32 zl za miesiac

Predkosci:
Mbit/sMByte/sKByte/ssciagniecie
100MBajtow		sciagniecie CD
650MBajtow		sciagniecie DVD
4.7GBajtow
1Mbit/s0.125MBajt-ow/s128Kbajtow/s13min 20sek86min 40sek626min 40sek
5Mbit/s0.625MBajt-ow/s640Kbajtow/s2min 40sek17min 20sek125min 20sek
10Mbit/s1.250MBajt-ow/s1280Kbajtow/s1min 20sek8min 40sek62min 40sek
20Mbit/s2.5MBajt-ow/s2560Kbajtow/s40sek4min 20sek31min 20sek
50Mbit/s6.25MBajt-ow/s6400Kbajtow/s16sek1min 44sek12min 32sek
100Mbit/s12.50MBajt-ow/s12800Kbajtow/s8sek52sek6min 16sek
200Mbit/s25MBajt-ow/s25600Kbajtow/s4sek26sek3min 8sek
1000Mbit/s125MBajt-ow/s128000Kbajtow/s0.8sek5.2sek37.6sek
1Gbit/s128MBajt-ow/s131072Kbajtow/s0.781sek5.078sek36.719sek

Maski IP:
maskaprefixHost-owmaskaprefixHost-ow
.255/32Host.224/2730
.252/302.192/2662
.248/296.128/25126
.240/2814.0/24254

802.11 systems and bands

There are several different 802.11 variants in use. Different 802.11 variants use different bands. A summary of the bands used by the 802.11 systems is given below:


IEEE 802.11 variant Frequency bands used Comments
802.11a 5GHz Read more about 802.11a
802.11b 2.4GHz Read more about 802.11b
802.11g 2.4GHz Read more about 802.11g
802.11n 2.4 & 5 GHz Read more about 802.11n
802.11ac Below 6GHz Read more about 802.11ac
802.11ad Up to 60 GHz Read more about 802.11ad
802.11af TV white space (below 1 GHz) Read more about 802.11af
802.11ah 700 MHz, 860MHz, 902 MHz, etc. ISM bands dependent upon country and allocations Read more about 802.11ah

2.4 GHz Wi-Fi channel frequencies

The table given below provides the frequencies for the total of fourteen 802.11 Wi-Fi channels that are available around the globe. Not all of these channels are available for use in all countries.

Channel Number Lower Frequency
MHz		 Center Frequency
MHz 		Upper Frequency
MHz
1 2401 2412 2423
2 2404 2417 2428
3 2411 2422 2433
4 2416 2427 2438
5 2421 2432 2443
6 2426 2437 2448
7 2431 2442 2453
8 2436 2447 2458
9 2441 2452 2463
10 2451 2457 2468
11 2451 2462 2473
12 2456 2467 2478
13 2461 2472 2483
14 2473 2484 2495


Channel Number Europe
(ETSI)		 North America
(FCC)		 Japan
1 ✔ ✔ ✔
2 ✔ ✔ ✔
3 ✔ ✔ ✔
4 ✔ ✔ ✔
5 ✔ ✔ ✔
6 ✔ ✔ ✔
7 ✔ ✔ ✔
8 ✔ ✔ ✔
9 ✔ ✔ ✔
10 ✔ ✔ ✔
11 ✔ ✔ ✔
12 ✔ No ✔
13 ✔ No ✔
14 No No 802.11b only

3.6 GHz WiFi band

This band of frequencies is only allowed for use within the USA under a scheme known as 802.11y. Here high powered stations can be used as backhaul for networks, etc.

Channel Number Frequency (MHz) 5 MHz Bandwidth 10 MHz Bandwidth 20 MHz Bandwidth
131 3657.5 ✔    
132 36622.5 ✔    
132 3660.0   ✔  
133 3667.5 ✔    
133 3665.0     ✔
134 3672.5 ✔    
134 3670.0   ✔  
135 3677.5 ✔    
136 3682.5 ✔    
136 3680.0   ✔  
137 3687.5 ✔    
137 3685.0     ✔
138 3689.5 ✔    
138 3690.0   ✔  

5 GHz WiFi channels & frequencies


Channel Number Frequency MHz Europe
(ETSI)		 North America
(FCC)		 Japan
36 5180 Indoors ✔ ✔
40 5200 Indoors ✔ ✔
44 5220 Indoors ✔ ✔
48 5240 Indoors ✔ ✔
52 5260 Indoors / DFS / TPC DFS DFS / TPC
56 5280 Indoors / DFS / TPC DFS DFS / TPC
60 5300 Indoors / DFS / TPC DFS DFS / TPC
64 5320 Indoors / DFS / TPC DFS DFS / TPC
100 5500 DFS / TPC DFS DFS / TPC
104 5520 DFS / TPC DFS DFS / TPC
108 5540 DFS / TPC DFS DFS / TPC
112 5560 DFS / TPC DFS DFS / TPC
116 5580 DFS / TPC DFS DFS / TPC
120 5600 DFS / TPC No Access DFS / TPC
124 5620 DFS / TPC No Access DFS / TPC
128 5640 DFS / TPC No Access DFS / TPC
132 5660 DFS / TPC DFS DFS / TPC
136 5680 DFS / TPC DFS DFS / TPC
140 5700 DFS / TPC DFS DFS / TPC
149 5745 SRD ✔ No Access
153 5765 SRD ✔ No Access
157 5785 SRD ✔ No Access
161 5805 SRD ✔ No Access
165 5825 SRD ✔ No Access