ꢁWt6280
1
2
3
18
17
16
15
14
DCS/PCS_IN
DCS/PCS_OUT
GND
BS
TX_EN
GND
VBATT
4
13
12
11
10
N/C
CEXT
5
6
GND
GND
VRAMP
7
8
9
GSM850/900_IN
GSM850/900_OUT
Figure 2: Pinouꢄ (X - ray top View)
table 1: Pin Deꢅcripꢄion
PIN
NꢁMꢀ
DꢀsCꢃIPtION
PIN
NꢁMꢀ
DꢀsCꢃIPtION
1
2
3
DCS/PCS_IN DCS/PCS RF Input
10 GSM850/900_OUT GSM850/900 RF Output
BS
Band Select Logic Input
TX Enable Logic Input
11
12
GND
GND
Ground
Ground
TX_EN
Battery Supply
Connection
No Connection. Do not
ground
4
5
6
V
BATT
13
14
15
N/C
GND
GND
C
EXT
Bypass
Ground
Ground
Analog Signal used to
control the output power
V
RAMP
7
8
9
GSM850/900_IN GSM850/900 RF Input
16
17
18
DCS/PCS_OUT DCS/PCS RF Output
GND
GND
Ground
Ground
GND
GND
Ground
Ground
2
Data Sheet - Rev 2.1
11/2008