The laboratory reference letter

The laboratory reference letter or Surat pengantar pengujian perangkat ( SP3 ) is a letter reference from Directorate of General Post and Telecommunication to Test house or Balai Besar pengujian Perangkat telekomunikasi ( BBPPT ) for Tests conducted in the laboratory.

In the laboratory reference letter to same information about telecommunication device :

1. Name of the device :................................................................................
2. Brand / model / type :............................................................................
3. Made In :................................................................................................
   
4. Agent / factory :......................................................................................
5. Reference :..............................................................................................
6. Receipt No. / Date :................................................................................
   

has met the requirements for testing at the institute of testing device (BBPPT) and Balai besar pengujian perangkat telekomunikasi ( BBPPT ) has been issued out details test expense in the form of bills that must be paid to the state treasury.