Supported Cisco Antennas And Cables; Selecting And Installing Antennas - Cisco IG21 Series Installation Manual

Supported Cisco Antennas and Cables

• Keep antennas away from electrical and signal cable clutter. Metal conductors inside cables may block
• We recommend that your orient cellular antennas vertically to ensure polarization match. While
Supported Cisco Antennas and Cables
The following table shows the antennas and Cables that are available for IG21R and IG31R gateways.
Table 3: Supported Antennas and Accessories
SKU
IG-LTE-SMA-D
IG-WIFI-SMA-D
IG-GPS-SMA
LTE-ADPT-SM-TF
CAB-L195-10-SM-SF
CAB-L240-20-SM-SF

Selecting and Installing Antennas

Cisco IG21 IoT Gateways, Cisco IG21R Rugged IoT Gateways, and Cisco IG31R Rugged IoT Gateways Hardware Installation Guide
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• Obstruction of the router antenna view of the cellular base station tower by Ethernet cables, power
cables, USB cables, and walls.
• Possible coupling of digital noise from inside the router to the antenna when unshielded Ethernet
cables are used.
antenna view of the base station. Additionally, unshielded (and even shielded cables in some cases) may
radiate signals that interfere with RF signal reception.
polarization of the signal may change as it is reflected from obstructions, when the view is unobstructed,
vertical polarization is optimal.
Selecting and Installing Antennas
Description
Cellular antenna, swivel mount 4G LTE advanced
dipole
Wi-Fi antenna, swivel mount dipole, 2dBi @ 2.4GHz,
RP-SMA (plug)
GPS antenna, 1575.42 ± 1 MHz, 17 ft. (5 m)
integrated cable, SMA(m)
SMA(m) to TNC(f) adapter
Antenna cable, 10 ft (3 m) LMR-195, SMA(m) to
SMA(f)
Antenna cable, 20 ft (6 m) LMR-240, SMA(m) to
SMA(f)