239:
123:
118:
113:
107:
101:
96:
91:
86:
81:
234:
70:
65:
60:
55:
50:
40:
35:
30:
25:
20:
210:
167:
149:
229:
162:
223:
197:
145:
Pages in category "Telecommunications-related introductions in 1991"
179:
184:
148:
The following 6 pages are in this category, out of 6 total.
240:
Telecommunications-related introductions in the 1990s
15:
235:Telecommunications-related introductions by year
8:
150:This list may not reflect recent changes
211:Multidimensional Digital Pre-distortion
7:
154:
142:
14:
1:
168:Area codes 410, 443, and 667
256:
163:Area codes 310 and 424
230:1991 introductions
247:
200:
135:
130:
255:
254:
250:
249:
248:
246:
245:
244:
220:
219:
218:
217:
216:
215:
203:
196:
189:
172:
141:
140:
139:
138:
133:
128:
76:
75:
12:
11:
5:
253:
251:
243:
242:
237:
232:
222:
221:
214:
213:
207:
204:
202:
201:
193:
190:
188:
187:
182:
176:
173:
171:
170:
165:
159:
156:
155:
146:
143:
137:
136:
131:
126:
121:
116:
111:
104:
99:
94:
89:
84:
78:
77:
74:
73:
68:
63:
58:
53:
48:
43:
38:
33:
28:
23:
17:
16:
13:
10:
9:
6:
4:
3:
2:
252:
241:
238:
236:
233:
231:
228:
227:
225:
212:
209:
208:
205:
199:
198:ITU-T V.32bis
195:
194:
191:
186:
183:
181:
178:
177:
174:
169:
166:
164:
161:
160:
157:
153:
151:
144:
132:
127:
125:
122:
120:
117:
115:
112:
110:
109:
105:
103:
100:
98:
95:
93:
90:
88:
85:
83:
80:
79:
72:
69:
67:
64:
62:
59:
57:
54:
52:
49:
47:
44:
42:
39:
37:
34:
32:
29:
27:
24:
22:
19:
18:
147:
106:
45:
224:Categories
180:G.706
134:2040s
129:2030s
124:2020s
119:2010s
114:2000s
108:1990s
102:1980s
97:1970s
92:1960s
87:1950s
82:1940s
71:1996
66:1995
61:1994
56:1993
51:1992
46:1991
41:1990
36:1989
31:1988
26:1987
21:1985
185:GSM
226::
152:.
206:M
192:I
175:G
158:A
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.