Specialized Mobile Services (Trunking)

Specialized Mobile Service (SME) also known as Trunking or trunking system, is a service very similar to cellular service, being considered in many countries in the same category.

The main differences are:

• SME is destined to legal people or groups of people characterized for the specific activity accomplishment. It cannot individually be offered to physical people.
• It Offers: Push to talk, to a group.

Frequencies used

• Main frequency: 806-821 MHz and 851-866 MHz,
• Other Bands: 460-462 MHz and 465-467 MHz, MHz, 821-824 MHz and 866-869 MHz, 896-901 MHz and 935-940 MHz.

Consignment Frequency to SME operators is done in frequencies blocks of 1MHz ( 500 kHz to go / 500 kHz to come back) total maximum 15 MHz, transmission and reception channels included.

Regulation

Operators acquire new Frequencies

Anatel divulged in 10/28/04 the result of public calling for the band frequencies blocks utilization, 806-821 MHz and 851-866 MHz. There is no need of petition to authorize, except in area 11 ( São Paulo) where will be necessary to realize an auction.

Click here to check detailed relation ( in portuguese).

Click here to check the authorization (in portuguese).

SME Number of users

600 thousand ( Source: Anatel, september of 2004)

Tariffs to SME Fixed Telephone Calls

Minute Values in R$, revenue

Telephonic Numeration

It uses the series started with 7. Vivo in São Paulo is also using series 7.

Operators

Nextel is the main SME operator.