NB-IoT / Cat-M Screw-Mount Stub

ANT-NB868-STB

Rugged 698–960 MHz quarter-wave stub for LPWA cellular metering and remote sensors.

Frequency: 698–960 MHz
Peak gain: +2.3 dBi
VSWR: 1.9:1 max
Connector: SMA-male, straight

$4.20/unit

from 100 pcs

Operating bands

Tested, band by band

Every figure below is measured, not modelled. Gain and efficiency vary across a multi-band part — a single headline number would hide that.

Band	Range	Gain	VSWR	Efficiency
LTE-M / NB-IoT	698–960 MHz	+2.1 dBi	1.9:1	63%
ISM 868/915	863–928 MHz	+2.3 dBi	1.7:1	67%

LTE-M / NB-IoT698–960 MHz

Gain: +2.1 dBi
VSWR: 1.9:1
Efficiency: 63%

ISM 868/915863–928 MHz

Gain: +2.3 dBi
VSWR: 1.7:1
Efficiency: 67%

VSWR sweepmeasured, 50 Ω

698 MHz960 MHz

Shaded regions mark the specified bands. The trace rides high between them — an antenna is deliberately mismatched where it is not designed to operate.

Electrical

Impedance: 50 Ω
Polarization: Linear, vertical
Max power: 10 W
Connector: SMA-male, straight

Mechanical

Mounting: Direct connector
Dimensions: 88 × 12 × 12 mm
Weight: 14 g
Ingress rating: IP66

Environment & supply

Operating temp: -40 °C to +85 °C
Availability: In stock
MOQ: 100 pcs
Certifications: CE, RoHS, REACH

Typical applications

Smart metering
Remote sensor
LPWA gateway

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