
Antenna Switch Module
LM-D518 Series
Features
Small Size
Low Loss
Built-in 2LPF for Receiver
Dimensions
Recommended Land Pattern
Recommended Reflow Profile
(Unit : mm)
(at 25C)
(Unit : mm)
Rx(DCS)
CONT1
Tx(DCS)
GND
Tx(GSM)
GND
q
w
e
r
t
y
GND
ANT
GND
Rx(GSM)
CONT2
GND
u
i
o
!0
!1
!2
Pin Configuration
GSM
DCS
TX
RX
TX
RX
Part No.
Freq.
Ins. Loss
Att.(2*f0, 3*f0)
Freq.
Ins. Loss
Freq.
Ins. Loss
Att.(2*f0, 3*f0)
Freq.
Ins. Loss
(MHz)
(dB)
(MHz)
(dB)
(MHz)
(dB)
(MHz)
(dB)
LM-D518S2-2 880 to 915
≤1.1
≥30
925 to 960
≤1.0
1710 to 1785
≤1.3
≥25
1805 to 1880
≤1.2
Applications
GSM900/DCS
GSM850/PCS
GSM900/PCS
KC D5S2
0005
5
6
12
4
3
12
7
8
9
11
10
4.0
5.4
1.8MAX.
Specifications
Peak:240-250
°C
15sec max
230
°C
over
50sec max
100sec
60sec
250
200
150
100
50
temp.
time
(sec.)
(
°C)
150-190
°C
4.6
1.8
2.6
1.0
6.0
4.0
1.0
0.6
How to Order
LM - D 5 18 S2 - 2
qSeries
wCircuit
eType
rHeight
tS2: GSM900/DCS
S4: GSM850/PCS
S6: GSM900/PCS
yCustom Specification
qw e r t
y
D
Dual
18
1.8mm max
Pb Free
RoHS Conforming