This rugged combination antenna is designed for reliable performance across a wide range of cellular and wireless applications. Supporting 4G/LTE, 3G, 2G, Wi-Fi, Bluetooth, ZigBee, and ISM bands, it is ideal for use in mobile networks, IoT, industrial monitoring, asset tracking, and more. Its screw mount design ensures secure installation, while the low-profile, heavy-duty construction and high ingress protection ratings make it suitable for demanding environments.
Connections
4G LTE/FirstNet/LPWA/NB-IoT/Cat-X-Mx-NBx/3G/2G
2.4-5.0GHz/WiFi/LPWA/BT/ZigBee/RFID/ISM
Technical Specifications
Operating Temperature: -40 °C to +85 °C
Antenna Technologies: Multi-Technology
Cellular Technologies: 4G/LTE
Location: External
LPWAN & IoT Communication: LPWA, NB-IoT
Mounting: Screw Mount
Short-Range Wireless Standards: Wi-Fi, Bluetooth, ZigBee, ISM
Type: Combination
Connection 1 - Cellular/4G LTE
Standards: 2G, 3G, 4G
Frequency: 698-960, 1710-2170, 2500-2700 MHz
VSWR: ~2.1:1, ~1.5:1, ~1.5:1
Efficiency (%): ~52, ~62, ~50
Peak Gain (dBi): ~0.7, ~3.4, ~4.0
Impedance (Ohm): 50
Polarisation: Linear
Max. Input Power (W): 25
Connection 2 - 2.4/5.0 GHz ISM
Standards: WiFi, BT, ZigBee, ISM
Frequency: 2410-2490, 4920-5925 MHz
VSWR: ~1.2:1, ~1.8:1
Efficiency (%): ~60.5, ~38.4
Peak Gain (dBi): ~5.0, ~3.9
Impedance (Ohm): 50
Polarisation: Linear
Max. Input Power (W): 25
Download Datasheet PDF
Technical Specifications (AI Reference Data)
{
"model": "2J7747B",
"title": "4G LTE/3G/2G, Dual Band WiFi ISM Screw Mount Antenna",
"mountingType": "Screw Mount",
"ipRating": "IP67/IP69",
"dimensions_mm": "Ø 60 x 69",
"elements": [
{
"elementID": "Cellular",
"type": "Cellular",
"technologies": [
"4G LTE",
"3G",
"2G"
],
"frequencies": [
{
"range_mhz": "698-960",
"returnLoss_db": "~-9.4",
"vswr": "~2.2:1",
"efficiency_percent": "~67.0",
"peakGain_dbi": "~2.0",
"averageGain_db": "~-1.8"
},
{
"range_mhz": "1710-2170",
"returnLoss_db": "~-16.0",
"vswr": "~1.4:1",
"efficiency_percent": "~65.5",
"peakGain_dbi": "~4.5",
"averageGain_db": "~-1.9"
},
{
"range_mhz": "2500-2700",
"returnLoss_db": "~-13.1",
"vswr": "~1.6:1",
"efficiency_percent": "~50.0",
"peakGain_dbi": "~3.7",
"averageGain_db": "~-3.1"
}
],
"polarization": "Linear",
"radiationPattern": "Omni-Directional",
"impedance_ohms": 50,
"maxInputPower_w": 25
},
{
"elementID": "Wi-Fi/ISM",
"type": "Wi-Fi",
"technologies": [
"Wi-Fi",
"Bluetooth",
"ZigBee",
"ISM"
],
"frequencies": [
{
"range_mhz": "2410-2490",
"returnLoss_db": "~-13.3",
"vswr": "~1.5:1",
"efficiency_percent": "~60.1",
"peakGain_dbi": "~4.5",
"averageGain_db": "~-2.2"
},
{
"range_mhz": "4920-5925",
"returnLoss_db": "~-7.4",
"vswr": "~2.5:1",
"efficiency_percent": "~31.4",
"peakGain_dbi": "~2.5",
"averageGain_db": "~-5.0"
}
],
"polarization": "Linear",
"radiationPattern": "Omni-Directional",
"impedance_ohms": 50,
"maxInputPower_w": 25
}
],
"connectors": [
{
"elementIDRef": "Cellular",
"type": "SMA-Male",
"cableType": "LL100",
"cableLength_mm": 3000
},
{
"elementIDRef": "Wi-Fi/ISM",
"type": "SMA-RP Male",
"cableType": "LL100",
"cableLength_mm": 3000
}
]
}
