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IC

Frequency (Hz)

2.4G
915M
868M
780M
490M
433M
470M
315M
230M
170M
SUB-1G

Power (dBm)

0
2
3
4
5
6
7
8
10
11
13
14
17
20
22
23
27
30

Distance (km)

0.0~0.09
0.1~0.5
0.6~0.9
1.0~1.9
2.0~2.9
3.0~4.9
5.0~7.9
8.0~9.9
10.0~14.9

Packing

DIP
SMD
USB

Antenna

SMA-K
PCB
IPEX
Stamp hole
Spring
Ceramic

IC : SI4438

E30-400M30S（4438）

E30-400M30S（4438）

[IC]：SI4438
[Frequency]：425～525MHz
[Power]：30dBm
[Distance]：5.6km
[Size]：38.5*24mm
[Feature]：Long communicaiton disatance
details
E30-400M20S（4438）

E30-400M20S（4438）

[IC]：SI4438
[Frequency]：425～525MHz
[Power]：20dBm
[Distance]：2.5km
[Size] ：20*14mm
[Feature] ：Long transmission distance,Strong penetration diffraction
details

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