This high-performance antenna is designed for reliable 4G/LTE, 3G, and 2G connectivity across a wide range of frequencies. Its ground plane independent dipole design ensures consistent performance, making it ideal for demanding applications such as mobile networks, IoT, asset tracking, and industrial monitoring. The robust screw mount form factor allows for secure installation in outdoor and rugged environments, supporting mission-critical communications and broadband connectivity.
Connections
4G LTE/FirstNet/LPWA/NB-IoT/Cat-X-Mx-NBx/3G/2G
Connector & Cable
-
Connector Type: N-Female connector
Technical Specifications
Operating Temperature: -40 °C to +85 °C
Antenna Technologies: Dipole
Cellular Technologies: 4G/LTE
Location: External
Mounting: Screw Mount
Type: Single
Connection 1 - Cellular/4G LTE
Standards: 2G, 3G, 4G
Frequency: 698-960, 1710-2170, 2500-2700 MHz
VSWR: ~1.8:1, ~1.5:1, ~2.0:1
Efficiency (%): ~55, ~58, ~71
Peak Gain (dBi): ~0.3, ~1.7, ~2.3
Impedance (Ohm): 50
Polarisation: Linear
Max. Input Power (W): 25
Download Datasheet PDF
Technical Specifications (AI Reference Data)
{
"model": "2J2124B-C681N",
"title": "4G LTE/3G/2G Antenna with N-Female Connector",
"mountingType": "Screw Mount",
"ipRating": null,
"dimensions_mm": "244 × Ø 22 (Ø 16)",
"elements": [
{
"elementID": "Cellular",
"type": "Cellular",
"technologies": [
"4G LTE",
"3G",
"2G",
"FirstNet",
"LPWA",
"NB-IoT",
"Cat-X-Mx-NBx"
],
"frequencies": [
{
"range_mhz": "698-960",
"returnLoss_db": "~-11.5",
"vswr": "~1.8:1",
"efficiency_percent": "~55",
"peakGain_dbi": "~0.3",
"averageGain_db": "~-2.7"
},
{
"range_mhz": "1710-2170",
"returnLoss_db": "~-14.2",
"vswr": "~1.5:1",
"efficiency_percent": "~58",
"peakGain_dbi": "~1.7",
"averageGain_db": "~-2.4"
},
{
"range_mhz": "2500-2700",
"returnLoss_db": "~-9.2",
"vswr": "~2.0:1",
"efficiency_percent": "~71",
"peakGain_dbi": "~2.3",
"averageGain_db": "~-1.5"
}
],
"polarization": "Linear",
"radiationPattern": "Omni-Directional",
"impedance_ohms": 50,
"maxInputPower_w": 25
}
],
"connectors": [
{
"elementIDRef": "Cellular",
"type": "N-Female",
"cableType": null,
"cableLength_mm": null
}
]
}
