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I have an antenna with linear polarization. How shall I place the module?
The general rule is to place the module in the same direction as the sender/receiver antenna. If the antenna your antenna is communicating with has a horizontal antenna, place it horizontal. If the antenna is a vertical antenna, place it vertical. This can be an issue, since you might not know how the other antenna is placed.
The other rule is that if the antenna is close to the ground, place it horizontal. This will allow the radiated waves to travel across the ground, instead of getting caught in it.
UMTS Bands: B1 (2100), B8 (900) | Manufacturer: SIMCom | GSM/EDGE Bands: B5 (850) , B8 (900), B3 (1800), B2 (1900) | Form Factor: mPCIe - full size | Technology: HSPA+ | Antenna Interface: IPEX MHF/U.FL | Size: 50.95x31x4.95 mm | GPS: Yes | GNSS technology: GPS, GLONASS | Max DL Speed: 14.4 Mbps | Max UL Speed: 5.76 Mbps | Chipset: Qualcomm | Driver Support: Windows 7, Windows XP, Windows Vista, Linux, Android, Windows, Windows 8, Windows CE, Windows 8.1, Windows 10 | Interface: USB 2.0 | Operating Temperature Range: -30 °C – 80 °C | Certification: CE, CE RED | Voice Call Support: Yes | Voice call interface: Digital PCM signal input/output in socket, Digital PCM signal over USB interface | GNSS antenna support: Passive, Active 3.05VDC | Extended Operating Temperature Range: -30 °C – 80 °C | SIM interface: Through SIM slot on product, Through miniPCIe connector, Micro (3FF) SIM-slot
SAMPLE PRICE $42.20
UMTS Bands: B1 (2100), B2 (1900), B26 (850), B8 (900), B4 (AWS) | Manufacturer: Huawei | Form Factor: M.2 3042 | Antenna Interface: IPEX MHF-4 | Carrier Certification: AT&T | GPS: Yes | GNSS technology: GPS | Max DL Speed: 21 Mbps | Max UL Speed: 5.76 Mbps | Chipset: Intel, XMM6260 | Driver Support: Windows 7, Android, Windows 8, Windows 8.1 | Interface: USB 2.0 | Operating Temperature Range: -20 °C – 70 °C | Certification: FCC, CE, CCC, RoHS, GCF, NCC | SIM interface: Through M.2 connector
SAMPLE PRICE $56.00