SW20287EB56 SWE039 4G/LTE & NB-IoT Compact Straight Terminal Antenna (SMA Connector)

Product Overview: The SW20287EB56 (SWE039) is an ultra-compact, wideband external terminal antenna designed for global cellular communication across 2G, 3G, 4G LTE, and NB-IoT network bands. Engineered specifically for small-size IoT terminals, portable devices, and gateways, this passive straight whip antenna delivers sustained high efficiency and performance. Featuring a rugged ABS housing and a standardized straight threaded SMA connector, it mounts directly onto network hardware to provide a stable, space-saving wireless connection.

Key Features:

• Wideband Mobile Support: Fully optimized for 2G, 3G, 4G LTE, and NB-IoT deployments operating in low and high frequency spectrums.

• Ultra-Compact Straight Profile: Extremely small footprint with dimensions of just 51.5 x 8.0 mm, making it ideal for compact hardware form factors.

• Direct Connector Mount: Outfitted with a standard straight SMA-Male connector that screws directly onto the device's RF port without additional cabling.

• Sustained High Efficiency: Delivers impressive radiation efficiency of up to 66% on the lower bands and up to 44% on the high-frequency communication bands.

• Industrial Endurance Housing: Built using durable ABS material to guarantee consistent electrical properties under harsh operational temperatures ranging from -40°C to +85°C.

Technical Specifications:

• Part Number (PN): SW20287EB56 / SWE039

• Mounting Type: Connector Mount (Direct terminal thread attachment)

• Connector Type: SMA-Male Standard (Straight)

• Dimensions: 51.5 mm (Length) x 8.0 mm (Diameter)

• Housing Material: Industrial ABS Plastic

• Supported Network Standards: 4G LTE / 3G / 2G / NB-IoT (Wideband Cellular IoT)

• Frequency Ranges:

  • Low Band: 698 ~ 960 MHz

  • High Band: 1710 ~ 2170 MHz

• Peak Gain:

  • -4.5 ~ 4.0 dBi (698–960 MHz)

  • 0 ~ 4.0 dBi (1710–2170 MHz)

• Efficiency:

  • 10% ~ 66% (Low Band)

  • 23% ~ 44% (High Band)

• VSWR: < 5.0 (Low Band) / < 10.0 (High Band)

• Return Loss: < -3.5 dB (Low Band) / < -1.5 dB (High Band)

• Output Impedance: 50 Ohm

• Radiation Pattern: Omni-Directional (360° signal coverage)

• Polarization: Linear

• Max Input Power: 25W

• Operating Temperature: -40°C to +85°C

• Color: Black

Applications: Perfect for enhancing cellular reception on space-constrained network hardware:

• Small-form-factor M2M terminals, gateways, and network devices

• Remote monitoring systems, cellular sensors, and industrial automation nodes

• Portable handheld wireless devices and tracking equipment

• Smart utility metering infrastructure and environmental control hubs

Frequently Asked Questions: Q1: Does this antenna have a flexible hinge or joint to bend it? A1: No. The SWE039 is a fixed, straight terminal antenna designed to stand directly perpendicular from the RF port. This rigid design is optimized for maximum stability and a highly compact profile.

Q2: Is this antenna suitable for low-power NB-IoT hardware? A2: Yes. This wideband antenna explicitly supports NB-IoT protocols, providing the required efficiency and low-band tuning essential for reliable wide-area industrial data connections.