1250–1350 MHz 2 dBi Omni Whip Antenna, SMA-Male, EX20214

A 1.3 GHz terminal has to put an antenna outside its case, and a 170 mm whip is about all the housing allows. The 1250–1350 MHz range carries video links, L-band telemetry and long-range data radios, and the demand for a small omni that holds a flat match across that band has never been higher. Designers are constantly challenged to keep the link stable when the antenna sits beside a battery, a screen and a metal frame. The solution lies in a slim whip with a copper tube element. We are proud to introduce the 1250–1350 MHz 2 dBi Omni Whip Antenna, model EX20214, a φ15×170 mm black whip with an SMA-male plug.

This part answers a compact 1.3 GHz requirement. The band is written as 1250–1350 MHz in the specification table, and the drawing states 1200–1350 MHz. Gain is 2 dBi with a 360° horizontal pattern and ±2 dB ovality, so the link holds as the terminal is turned. Polarization is vertical, impedance is 50 Ohm, VSWR is ≤1.92, and maximum power is 50 W. The element is a copper tube, which keeps the match stable in a slim body. The antenna is φ15×170 mm and weighs 0.02 kg, the connector is an SMA-male plug, the element is DC grounded, and the range is −40 °C to 55 °C.

Technical Excellence: The Core Advantage

The antenna works on three points: 2 dBi in a 170 mm height, a copper tube element with very high efficiency, and a slim body that fits a terminal shell.

2 dBi in a 170 mm Whip

The whip is 170 mm long and 15 mm across, and it delivers 2 dBi. That is enough for a terminal that talks to a node in the same building or across a yard, and it does it without a large ground plane. The horizontal pattern is 360°, so the terminal does not have to be aimed, and ovality is ±2 dB, so the pattern stays round as the device is set down or mounted on a wall.

A Copper Tube Element with Very High Efficiency

The radiating element is a copper tube, and copper carries current with low loss. The measured efficiency runs 81.7% to 98.6% across 1250–1350 MHz, with most points above 88%. That matters on a small terminal: a lossy antenna steals both transmit power and receive sensitivity, and a handheld device has no power to spare. The measured peak gain runs 1.14 to 2.43 dBi across the band, and the measured VSWR is 1.03 at 1.25 GHz and 1.28 at 1.35 GHz, which is a very flat match for a whip this short.

A φ15 mm Body with an SMA-Male Plug

The body is φ15×170 mm and weighs 0.02 kg, so it adds nothing to a terminal in space or mass. The connector is an SMA-male plug, the standard small interface on 1.3 GHz video transmitters, telemetry modules and test boxes. The element is DC grounded, maximum power is 50 W, and the range is −40 °C to 55 °C. The datasheet shows a straight body with two knurled rings at the base, which grips well when the antenna is screwed on by hand. Packing is 1 pcs per bag and 20 pcs per bag, and the part is RoHS compliant.

Versatile Application Scenarios

Two dBi, a 360° pattern and a 170 mm body make this whip useful wherever a terminal needs a small antenna on 1.3 GHz.

1.3 GHz Video and Data Links

Video transmitters: a 1.3 GHz link needs a small omni at the terminal end, and the flat match keeps the video stable as the device moves.

Long-range data radios: the 2 dBi whip covers a yard or a building, and the 360° pattern means the radio does not have to be aimed.

L-Band Telemetry Terminals

Telemetry and control units: the 100 MHz band covers several channels, and the copper element keeps efficiency high on a small box.

Handheld and portable terminals: 0.02 kg and φ15 mm leave the shell free for the battery and the display.

Test, Measurement and Bench Setups

Bench instruments: an SMA-male plug and a 170 mm body suit a test box that needs a quick antenna swap.

Site survey kits: the small body fits a carry case, and the round pattern gives a usable reference signal.

Conclusion: A Small Whip for 1.3 GHz

The 1250–1350 MHz 2 dBi Omni Whip Antenna, EX20214, does one job: it gives a compact terminal a real antenna on 1.3 GHz. The φ15×170 mm black body carries a copper tube element with 2 dBi, a 360° pattern and ±2 dB ovality, VSWR ≤1.92 at 50 Ohm and 50 W, an SMA-male plug, and DC grounding. Measured efficiency runs 81.7% to 98.6% across 1250–1350 MHz, and measured VSWR is 1.03 at 1.25 GHz and 1.28 at 1.35 GHz. The 0.02 kg weight, −40 °C to 55 °C range and slim profile state its limits up front. For a compact 1.3 GHz terminal that needs a slim omni, this whip is the practical choice.