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Communication Modules

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Communication Modules
Choose from category Communication Modules. Our offer includes 6483 types from 60 manufacturers.
SOS electronic is a specialized distributor of QUECTEL, 2J ANTENNAS, USR IOT, ACM, WIZNET.

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IoT/M2M-Optimized LTE Module miniPCIe 51,0x30,0x4,9mm SIM holder
Ord. No. 311727
S
Manufacturer QUECTEL
Manufacturer QUECTEL
0 pcs (available soon)
(We are checking the delivery date: 100 pcs)
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1 pcs+
469,84 RON
25 pcs+
456,03 RON
75 pcs+
442,20 RON
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IoT/M2M-optimized LTE Cat 1 bis Module, 17,7x15,8x2,4mm
Ord. No. 378782
S
Manufacturer QUECTEL
Manufacturer QUECTEL
0 pcs (available soon)
(28. Aug 2026: 200 pcs)
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1 pcs+
72,49 RON
25 pcs+
70,36 RON
75 pcs+
68,22 RON
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4G Eval Board EG800x-TE-A, IoT/M2M-optimized LTE Cat 1 bis Module on Adapter Board
Ord. No. 382421
S
Manufacturer QUECTEL
Manufacturer QUECTEL
4 pcs in stock
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1 pcs+
202,95 RON
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IoT/M2M-optimized LTE Cat 1 bis Module, 17,7x15,8x2,4mm
Ord. No. 394382
S
Manufacturer QUECTEL
Manufacturer QUECTEL
173 pcs in stock
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1 pcs+
85,58 RON
25 pcs+
83,06 RON
75 pcs+
80,54 RON
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4G Module 16M, w/ GNSS, IoT/M2M- optimized LTE Cat 1 Module, 23.6x19.9x2.4mm
Ord. No. 397256
S
Manufacturer QUECTEL
Manufacturer QUECTEL
42 pcs in stock
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1 pcs+
67,10 RON
25 pcs+
65,13 RON
75 pcs+
63,15 RON
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LTE Module 23,6x19,9x2,4mm
More info EG915U.pdf
Ord. No. 360748
S
Manufacturer QUECTEL
Manufacturer QUECTEL
1079 pcs in stock
(We are checking the delivery date: 250 pcs)
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1 pcs+
67,19 RON
25 pcs+
65,21 RON
75 pcs+
63,23 RON
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Ord. No. 360739
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Manufacturer QUECTEL
Manufacturer QUECTEL
0 pcs (available soon)
(21. Aug 2026: 3 pcs)
(28. Aug 2026: 1 pcs)
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1 pcs+
202,39 RON
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LTE Module 23,6x19,9x2,4mm
More info EG915U.pdf
Ord. No. 357006
S
Manufacturer QUECTEL
Manufacturer QUECTEL
0 pcs (available soon)
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1 pcs+
59,66 RON
25 pcs+
57,91 RON
75 pcs+
56,15 RON
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IoT/M2M-optimized LTE Cat 1 bis Module, 26,5x22,5x2,4 mm
Ord. No. 403808
S
Manufacturer QUECTEL
Manufacturer QUECTEL
358 pcs in stock
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1 pcs+
123,81 RON
25 pcs+
120,17 RON
75 pcs+
116,53 RON
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IoT/M2M-Optimized Cat.1 LTE Module 29x25x2,2mm
Ord. No. 227032
S
Manufacturer QUECTEL
Manufacturer QUECTEL
0 pcs (available soon)
NRND
(11. Sep 2026: 250 pcs)
(We are checking the delivery date: 200 pcs)
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1 pcs+
298,87 RON
25 pcs+
290,07 RON
75 pcs+
281,28 RON
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IoT/M2M-Optimized Cat.1 LTE Module 29x25x2,2mm
Ord. No. 320969
S
Manufacturer QUECTEL
Manufacturer QUECTEL
0 pcs (available soon)
(We are checking the delivery date: 700 pcs)
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1 pcs+
190,25 RON
25 pcs+
184,65 RON
75 pcs+
179,05 RON
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RFID Reader 125kHz w/Built-in Antenna, Read Over 12cm
Ord. No. 132664
S
Manufacturer SUNBEST
Manufacturer SUNBEST
642 pcs in stock
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1 pcs+
80,69 RON
5 pcs+
73,88 RON
25 pcs+
67,07 RON
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RFID Transceiver Circuit 125kHz SO16
More info em4095_ds.pdf
Ord. No. 9356
S
20 pcs in stock
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1 pcs+
26,35 RON
2 pcs+
25,46 RON
20 pcs+
21,74 RON
48 pcs+
20,70 RON
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RFID ISO Card 125kHZ EM4200 R/O
Ord. No. 101033
S
Manufacturer SUNBEST
Manufacturer SUNBEST
10000 pcs in stock
-
5 pcs+
3,1337 RON
10 pcs+
3,0279 RON
20 pcs+
2,9273 RON
200 pcs+
2,4615 RON
600 pcs+
2,3662 RON
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RFID Clamshell Card 125kHz EM4200 85 R/O
Ord. No. 83213
S
Manufacturer SUNBEST
Manufacturer SUNBEST
1600 pcs in stock
-
4 pcs+
3,4319 RON
20 pcs+
3,0441 RON
100 pcs+
2,7874 RON
500 pcs+
2,5831 RON
1000 pcs+
2,4678 RON
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RFID Keyfob 125kHz TK4100, ABS Blue R/O
More info EM99xx.pdf
Ord. No. 87631
S
Manufacturer SUNBEST
Manufacturer SUNBEST
471 pcs in stock
(We are checking the delivery date: 2000 pcs)
-
2 pcs+
6,3922 RON
20 pcs+
5,5015 RON
100 pcs+
4,9618 RON
300 pcs+
4,7732 RON
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RFID Keyfob EM4200 PC Black
More info TK19_EM99.pdf
Ord. No. 71999
S
Manufacturer SUNBEST
Manufacturer SUNBEST
5400 pcs in stock
(We are checking the delivery date: 5000 pcs)
-
2 pcs+
5,6063 RON
20 pcs+
4,5688 RON
100 pcs+
4,1916 RON
400 pcs+
3,9244 RON
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RFID Keyfob EM4200 PC Blue
More info TK19_EM99.pdf
Ord. No. 103404
S
Manufacturer SUNBEST
Manufacturer SUNBEST
1100 pcs in stock
-
2 pcs+
5,6587 RON
20 pcs+
4,5898 RON
100 pcs+
4,2126 RON
400 pcs+
3,9401 RON
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IoT/M2M-Optimized LTE Module M.2 3042 B-Key
Ord. No. 311730
S
Manufacturer QUECTEL
Manufacturer QUECTEL
14 pcs in stock
-
1 pcs+
386,07 RON
25 pcs+
374,71 RON
75 pcs+
363,35 RON
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LTE Cat4 M.2 Module for M2M, IoT 42x30x2,3mm
Ord. No. 373629
S
Manufacturer QUECTEL
Manufacturer QUECTEL
4 pcs in stock
-
1 pcs+
372,05 RON
25 pcs+
361,11 RON
75 pcs+
350,16 RON
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RFID Clamshell Card 125kHz EM4100 R/O
Ord. No. 105648
S
Manufacturer ACM
Manufacturer ACM
450 pcs in stock
-
8 pcs+
1,4681 RON
10 pcs+
1,4162 RON
50 pcs+
1,3644 RON
200 pcs+
1,3382 RON
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RFID Clamshell Card EM4100 1m R/O
Ord. No. 105649
S
Manufacturer ACM
Manufacturer ACM
0 pcs (available soon)
(18. Sep 2026: 200 pcs)
-
3 pcs+
3,6813 RON
10 pcs+
3,6032 RON
50 pcs+
3,5403 RON
200 pcs+
3,4780 RON
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RFID ISO Card 125kHz EM4100 Printed Digits
Ord. No. 105650
S
Manufacturer ACM
Manufacturer ACM
14000 pcs in stock
-
8 pcs+
1,7657 RON
10 pcs+
1,7280 RON
50 pcs+
1,6981 RON
200 pcs+
1,6677 RON
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RFID ISO Card 125kHz EM4100 Printed Digits, Black
Ord. No. 345446
S
Manufacturer ACM
Manufacturer ACM
1500 pcs in stock
-
5 pcs+
1,9203 RON
10 pcs+
1,8527 RON
50 pcs+
1,7846 RON
200 pcs+
1,7510 RON
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RFID ISO Card 125kHZ TK4100 R/O Blank
Ord. No. 76596
S
Manufacturer ACM
Manufacturer ACM
17000 pcs in stock
-
8 pcs+
1,3591 RON
1 pcs+
1,3591 RON
10 pcs+
1,3303 RON
50 pcs+
1,3073 RON
200 pcs+
1,2842 RON
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8 9 10 11 12
More info

Communication and fast data and information transfer are common parts of the technical conveniences of our time and accompany us in our everyday lives. Communication modules have become part of many electronic devices, not only telephones and computers but also vehicles, agricultural machines, medical devices and the like.

Considering the use, the transmission of information and data from the transmitter to the receiver is possible via wireless (air), metallic (wire) or optical path.

Use of communication modules

Communication modules are devices that provide connectivity for other electronic devices. They are used to transmit and receive data over a network, enabling communication between devices. Communication modules can be based on different technologies including Wi-Fi, Bluetooth, Ethernet, and mobile networksRead more

The most common use of communication modules is in the Internet of Things (IoT), where they provide a way for IoT devices to connect to a network and exchange data. They are also used in industrial automation, automotive systems and other applications that require remote communication between devices.

Communication modules come in a variety of forms, including integrated circuits, plug-in cards, and stand-alone units. They can be integrated into other devices such as laptops, smartphones, and embedded systems, and typically have low power consumption, making them suitable for battery-powered applications.

The use of communication modules has significantly increased the connectivity of electronic devices, which has led to the creation of new applications and services. They have enabled devices to exchange data in real-time, even over long distances, which brings greater efficiency and better collaboration in various fields.

The SOS electronic’s offer provides communication modules of world brands such as Quectel, Lantronix, Wiznet, and others, as well as antennas by 2J Antennas.

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