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SMA Male Antenna Compatible with Wireless Network Cards, motherboards, routers, modules, DTUs, Drones, Signal lampsr, Mobile Security Camera Pack of 2
SMA Male Antenna Compatible with Wireless Network Cards, motherboards, routers, modules, DTUs, Drones, Signal lampsr, Mobile Security Camera Pack of 2
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--- QUICK SPEC REFERENCE --- Product: 4G LTE SMA Male Mini Stub Antenna, 1dBi, Waterproof Connector: SMA Male (threaded, standard polarity) Frequency Range: 698–960 MHz, 1710–2170 MHz, 2300–2700 MHz Gain: 1 dBi Radiation Pattern: Omni-directional VSWR: Less than 2.0 Waterproof: Yes Available Sizes: 15mm height / 18mm height (select variant) Quantity: 2 antennas per pack Price: $7.59 In Stock: Yes IMPORTANT: Confirm the center-to-center distance between your device's threaded antenna studs before ordering the correct size variant. ---
This compact SMA male stub antenna covers the full 4G LTE frequency range used by US carriers — 698–960 MHz (low-band LTE including Band 12/13/17 used by AT&T and T-Mobile), 1710–2170 MHz (AWS and PCS mid-band), and 2300–2700 MHz (upper mid-band) — in a short, low-profile form factor designed for direct installation on wireless modules, IoT boards, DTUs (Data Transfer Units), routers, drones, and security cameras with SMA female antenna ports. At 1 dBi gain and omni-directional coverage, this antenna is optimized for near-field and short-range cellular connectivity rather than long-range high-gain applications, making it the correct choice for embedded devices where a compact antenna footprint is the primary requirement.
The waterproof construction allows this antenna to be used in outdoor or moisture-exposed installations — security camera housings, drone airframes, weatherproof IoT enclosures, and vehicle-mounted modules — without risk of signal degradation from humidity or water contact at the antenna body. The SMA male connector threads directly into any standard SMA female port on the device. Two size variants are available (15mm and 18mm height) to accommodate different device form factors and enclosure clearance requirements.
Before ordering, measure the center-to-center distance between the SMA female threaded studs on your device if installing two antennas side by side. Different routers, modules, and boards use different antenna port spacings — installing antennas that are too tall or wide for the spacing can cause mechanical interference between the two antenna bodies. The 15mm variant is more compact for tightly spaced ports; the 18mm variant provides slightly more radiating element length. Both variants cover the same frequency range and have the same 1 dBi gain specification.
Frequently Asked Questions
The three frequency ranges cover the following LTE bands used by US carriers: 698–960 MHz covers Band 12 (700 MHz, T-Mobile), Band 13 (700 MHz, Verizon), Band 17 (700 MHz, AT&T), and Band 5 (850 MHz). 1710–2170 MHz covers Band 4 and Band 66 (AWS, T-Mobile and AT&T), Band 2 (1900 MHz PCS), and Band 1 (2100 MHz). 2300–2700 MHz covers Band 30 (2300 MHz, AT&T), Band 7 (2600 MHz), and Band 41 (2500 MHz, T-Mobile). This spans all major 4G LTE bands currently in use by AT&T, Verizon, and T-Mobile for data connectivity.
1 dBi gain means the antenna radiates approximately 1.26 times more effectively in its best direction compared to a theoretical isotropic (perfectly spherical) radiator. In practical terms, this is a very modest gain — appropriate for short-range cellular connectivity where the device is within normal network coverage area. This antenna is not designed to extend range in weak-signal areas; it is designed to provide a compact, reliable antenna for embedded modules and IoT devices operating in normal coverage conditions. For weak-signal applications, a higher-gain directional or outdoor antenna is more appropriate.
The size refers to the antenna body height above the SMA connector base. Choose based on two factors: first, the physical clearance available in your device's enclosure or mounting location — a taller antenna may contact an enclosure lid or adjacent component; second, the spacing between antenna ports if installing two antennas simultaneously. Measure the center-to-center distance between your device's two SMA female ports and verify the selected antenna body diameter fits within that spacing without the two antenna bodies touching each other.
This antenna covers sub-3 GHz 4G LTE bands only. It does not cover 5G NR mmWave bands (24–39 GHz) or higher sub-6 GHz 5G bands above 2700 MHz such as n77 (3500 MHz) and n79 (4900 MHz). For devices that support both 4G LTE and sub-3 GHz 5G NR bands (n71, n25, n66, n41), this antenna is compatible with the lower frequency bands. For full 5G sub-6 GHz coverage including n77/n78 bands, an antenna rated to at least 3.8 GHz or 6 GHz is required.
DTU (Data Transfer Unit) is an industrial term for a cellular-connected data logger or remote terminal unit used in SCADA systems, utility monitoring, smart grid infrastructure, and industrial IoT applications. DTUs collect sensor data and transmit it over 4G LTE cellular networks to a central server. They require compact, embedded antennas that fit within industrial enclosures while maintaining reliable cellular connectivity. This antenna's small form factor, waterproof construction, and full 4G LTE band coverage make it suitable for DTU installations in outdoor utility boxes, pipeline monitoring stations, and remote industrial equipment.
Most 4G LTE modules and routers use two antenna ports for MIMO (Multiple Input Multiple Output) operation — one for the main antenna chain and one for the diversity/auxiliary chain. MIMO uses two independent antenna paths simultaneously to improve data throughput and connection reliability. Installing matched antennas on both ports ensures balanced MIMO performance. Using only one antenna on a two-port MIMO device results in the module operating in single-antenna mode, with reduced throughput and potentially lower connection reliability in marginal coverage areas.
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