Wireless Device Info

Sierra Wireless

Sierra Wireless AirCard 312U USB Modem


MPN: 312U


Cellular External Antenna Port

Sierra Wireless AirCard 312U USB Modem includes 2 antenna ports to attach external cellular antennas. See below for different options for high gain and high performance indoor and outdoor antennas to improve the signal strength and indoor coverage.

Cellular Replacement Antenna

Select Replacement Cellular Antenna Sierra Wireless 312U
Find Replacement Antenna

Cellular External Antenna Kit
Outdoor Directional Yagi Antenna Kits (RECOMMENDED) with 20 ft Cable with 50 ft Cable
Yagi Kit
12 dBi Directional Yagi Antenna kit for 698-2700 MHz operation. Slightly larger than Panel (dimensions: 35" x 9" x 2") but higher gain.
Outdoor Directional Panel Antennas Kits with 20 ft Cable with 50 ft Cable
Yagi Kit
10 dBi Directional Panel Antenna kit for 698-2700 MHz operation. More compact than Yagi (dimensions: 26" x 13" x 5") but lower gain.
Outdoor Omnidirection Antenna Kits with 20 ft Cable with 50 ft Cable
Yagi Kit
9 dBi Omni-directional Antenna kit for 698-2700 MHz operation. ONLY recommended if have no dominant signal from specific direction.

For cellular signal improvement, use our tool selector below to Configure Custom External Cellular Antenna Kit:
Configure Antenna Kit

Cellular Antenna Port Pigtail and Connectors

312U has 2 antenna port. (NOTE: A custom pigtail is defined for this device.)

Consider these common pigtails for your device:

Image RFWCAB58SMMNF001
1 ft SMA-Male (SMA Plug) to N-Female (N Jack) Cable
Image RFWCAB58RPSMNF001
RP-SMA-Male (RP SMA Plug) to N-Female (N Jack) Pigtail (1ft)
Image RFWCAB58TNMNF001
1 ft RG-58 Cable with TNC Male to N-Female Connectors

Consider common adapters below to connect pigtail or device port to different cable options:

Image RFWADPNFFMF
N-Female (Jack) / FME-Female (Jack) Coax Adapter
Image RFWADPNFRPSM
N-Female to RPSMA-Male Coaxial Adapter
Image RFWADPRPSMSMF
RP-SMA Male to SMA-Female Adapter

Search other related adapters

Related Cellular Signal Booster Kits

. . . search other signal booster kits in the Device Antenna Kits category.

Device Information
Manuf P/N
312U
Brand/ Manuf
Sierra Wireless
Category
USB Modems
Cellular Specifications
Cellular Standards
3G
Cellular Bands
LTE Band 1, LTE Band 2, LTE Band 3, LTE Band 5, LTE Band 8
Cell Antenna Port?
Yes
# of Cell Antenna Ports
2