Parts List/Tune Up Info

Tune-up Procedure
Tune up procedure shall be over the power range or at specific operating power
levels.
1. It must provide an operational voltage (3.45~4.2V DC) to turn on the Mobile Data
Terminal and on one certain channel in service mode by means of company
proprietary software.
2. Base station simulator (Rohde& Schwarz CMW500 ) measures the
WCDMA ,LTE phone specific RF characteristics.
3. The maximum gain of each individual Mobile Data Terminals are adjusted until the
target value met.
Full Conducted RF Output Power:
Technology/Band
Mode
Target Power and Tolerance
(dBm)
GSM 850
GSM
32.5±1 dBm
GPRS 1Tx slot
32.5±1 dBm
GPRS 2Tx slot
29.5±1 dBm
GPRS 3Tx slot
27.5±1 dBm
GPRS 4Tx slot
26.5±1 dBm
EDGE 1Tx slot
26.5±1 dBm
EDGE 2Tx slot
23.0±1 dBm
EDGE 3Tx slot
21.0±1 dBm
EDGE 4Tx slot
20.5±1 dBm
GSM 1900
GSM
28.5±1 dBm
GPRS 1Tx slot
28.5±1 dBm
GPRS 2Tx slot
26.0±1 dBm
GPRS 3Tx slot
23.5±1 dBm
GPRS 4Tx slot
23.0±1 dBm
EDGE 1Tx slot
24.5±1 dBm
EDGE 2Tx slot
21.0±1 Bm
EDGE 3Tx slot
19.5±1 dBm
EDGE 4Tx slot
18.0±1 dBm
WCDMA II
AMR
21.5±1 dBm
RMC
21.5±1 dBm
HSDPA
21.5±1 dBm
HSUPA
19.0~22.0 dBm
WCDMA IV
AMR
22.0±1 dBm
RMC
22.0±1 dBm