2108971-4

RF Antenna, Adhesive, Linear, 5.9 to 8.5 GHz, 3.5 dB, 1.7 VSWR

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: TE CONNECTIVITY
Product type:
Gain: 3.5dB
SVHC: No SVHC (21-Jan-2025)
VSWR: 1.7
Input Power: 10W
Antenna Type: FPC
Frequency Max: 8.5GHz
Frequency Min: 5.9GHz
Product Range: 2108971-X Series
Input Impedance: 50ohm
Antenna Mounting: Adhesive
Antenna Polarisation: Linear

Delivery and price
Units per pack	2500
Price	1.83 €
Current stock	10+
Lead time	30 days

Datasheet

## 3100 – 8500 MHz UWB ANTENNA 

**Part Numbers: 2108971-X (See page 9 for details)** 

## **FEATURES & BENEFITS** 

- UWB channel 1,2,3,4,5,6,7,8,9 

- Adhesive backing on the FPC simplifies mounting within the device 

- FPC antenna assembly 

- Different cable length and connector options available 

## **SPECIFICATIONS (Shown as 2108971-1 : Others can vary with different cable lengths.)** 

|**Frequency Range (MHz)**|3100-5000|5900-8500|
|---|---|---|
|**VSWR**|< 1.8:1|< 1.9:1|
|**Average Efficiency**|76 %|80 %|
|**Peak Gain**|1.7 dBi|4.3 dBi|
|**Average Gain**|-1.3 dBi|-1.0 dBi|
|**Power Handling**|10 Watt cw||
|**Feed Point Impedance**|50 ohms||
|**Polarization**|Linear||
|**Size**|24.1 mm x 35.1 mm x 0.15 mm||
|**Weight**|< 1.4 g||
|**Mounting**|Adhesive Tape||
|**Mating Connectors**|MHF and MHF4L type, Refer to page 9||
|**Cable**|1.13mm and 1.37mm Dia., Refer to page 9||
|**Operating Temperature**|-40 to +85°C||
|**Storage Temperature**|-40 to +85°C||
|**Hazardous Materials**|A certificate of conformance is available from the product page<br>on TE website.||



DATA AND DEVICES /// 3100-8500 MHz UWB EMBEDDED FPC ANTENNA 

**1** _ 

**3100-8500 MHz UWB EMBEDDED FPC ANTENNA** Standard Antenna Solutions 

## **Antenna RF Specifications with different cable assemblies** 

|**P/N**<br>**Cable Length/**<br>**Connector/**Cable<br>OD<br>~~|~~<br>~~ee~~|RF<br>DATA<br>~~|~~<br>~~|;~~<br>~~a~~<br>~~ee~~|Frequency Range (MHz)<br>~~|~~<br>~~|;7~~|Frequency Range (MHz)<br>~~|~~<br>~~|;7~~|
|---|---|---|---|
|||3100-5000<br>~~|~~<br>~~|;7~~<br>~~ee~~|5900-8500<br>~~|~~<br>~~7~~<br>~~ee~~|
|**2108971-1**<br>**50 mm**<br>**MHF**<br>**1.37 mm**<br>~~ee~~<br>~~eee~~|VSWR<br>~~|;~~<br>~~a~~<br>~~ee~~|< 1.8:1<br>~~|; 7~~<br>~~ee~~|< 1.9:1<br>~~7~~<br>~~ee~~|
||Average Efficiency<br>~~a~~<br>~~ee~~|76 %<br>~~ee~~|80 %<br>~~ee~~|
||Peak Gain<br>(Max)<br>~~ee~~|1.7 dBi<br>~~ee~~|4.3 dBi<br>~~ee~~|
||Average Gain<br>~~ee~~<br>~~a~~<br>~~eee~~|-1.3 dBi<br>~~ee~~<br>~~eee~~|-1.0 dBi<br>~~ee~~<br>~~eee~~|
|**2108971-2**<br>**100 mm**<br>**MHF**<br>**1.37 mm**<br>~~ee~~<br>~~eee~~|VSWR<br>~~ee~~<br>~~a~~<br>~~eee~~|< 1.9:1<br>~~ee~~<br>~~eee~~|<2.4:1<br>~~ee~~<br>~~eee~~|
||Average Efficiency<br>~~a~~<br>~~eee~~|72 %<br>~~eee~~|75 %<br>~~eee~~|
||Peak Gain<br>(Max)<br>~~eee~~|1.5 dBi<br>~~eee~~|4.1 dBi<br>~~eee~~|
||Average Gain<br>~~eee~~<br>~~a~~|-1.4 dBi<br>~~eee~~|-1.2 dBi<br>~~eee~~|
|**2108971-3**<br>**150 mm**<br>**MHF**<br>**1.37 mm**<br>~~eee~~<br>~~eee~~<br>~~0)~~|VSWR<br>~~eee~~<br>~~a~~<br>~~eee~~|< 1.7:1<br>~~eee~~<br>~~eee~~|<2.0:1<br>~~eee~~<br>~~eee~~|
||Average Efficiency<br>~~a~~<br>~~eee~~|69 %<br>~~eee~~|71 %<br>~~eee~~|
||Peak Gain<br>(Max)<br>~~eee~~|1.3 dBi<br>~~eee~~|3.8 dBi<br>~~eee~~|
||Average Gain<br>~~eee~~<br>~~a~~<br>~~eee~~|-1.6 dBi<br>~~eee~~<br>~~eee~~|-1.5 dBi<br>~~eee~~<br>~~eee~~|
|**2108971-4**<br>**200 mm**<br>**MHF**<br>**1.37 mm**<br>~~0)~~|VSWR<br>~~a~~<br>~~eee~~|< 1.6:1<br>~~eee~~|<1.7:1<br>~~eee~~|
||Average Efficiency<br>~~a~~<br>~~eee~~|65 %<br>~~eee~~|66 %<br>~~eee~~|
||Peak Gain<br>(Max)<br>~~eee~~|1.1 dBi<br>~~eee~~|3.5 dBi<br>~~eee~~|
||Average Gain<br>~~eee~~<br>~~a~~|-1.8 dBi<br>~~eee~~<br>~~a~~|-1.8 dBi<br>~~eee~~<br>~~a~~|



DATA AND DEVICES /// 3100-8500 MHz UWB EMBEDDED FPC ANTENNA 

**2** 

**3100-8500 MHz UWB EMBEDDED FPC ANTENNA** Standard Antenna Solutions 

## **Antenna RF Specifications with different cable assemblies** 

|**P/N**<br>**Cable Length/**<br>**Connector/**Cable<br>OD<br>~~|~~<br>~~ee~~|RF<br>DATA<br>~~|~~<br>~~|;~~<br>~~a~~<br>~~ee~~|Frequency Range (MHz)<br>~~|~~<br>~~|;7~~|Frequency Range (MHz)<br>~~|~~<br>~~|;7~~|
|---|---|---|---|
|||3100-5000<br>~~|~~<br>~~|;7~~<br>~~ee~~|5900-8500<br>~~|~~<br>~~7~~<br>~~ee~~|
|**2108971-5**<br>**50 mm**<br>**MHF4L**<br>**1.13 mm**<br>~~ee~~<br>~~eee~~|VSWR<br>~~|;~~<br>~~a~~<br>~~ee~~|< 2.2:1<br>~~|; 7~~<br>~~ee~~|< 1.8:1<br>~~7~~<br>~~ee~~|
||Average Efficiency<br>~~a~~<br>~~ee~~|74 %<br>~~ee~~|79 %<br>~~ee~~|
||Peak Gain<br>(Max)<br>~~ee~~|1.7 dBi<br>~~ee~~|4.3 dBi<br>~~ee~~|
||Average Gain<br>~~ee~~<br>~~a~~<br>~~eee~~|-1.3 dBi<br>~~ee~~<br>~~eee~~|-1.0 dBi<br>~~ee~~<br>~~eee~~|
|**2108971-6**<br>**100 mm**<br>**MHF4L**<br>**1.13 mm**<br>~~ee~~<br>~~eee~~|VSWR<br>~~ee~~<br>~~a~~<br>~~eee~~|< 2.1:1<br>~~ee~~<br>~~eee~~|< 1.9:1<br>~~ee~~<br>~~eee~~|
||Average Efficiency<br>~~a~~<br>~~eee~~|70 %<br>~~eee~~|73 %<br>~~eee~~|
||Peak Gain<br>(Max)<br>~~eee~~|1.4 dBi<br>~~eee~~|3.9 dBi<br>~~eee~~|
||Average Gain<br>~~eee~~<br>~~a~~|-1.5 dBi<br>~~eee~~|-1.4 dBi<br>~~eee~~|
|**2108971-7**<br>**150 mm**<br>**MHF4L**<br>**1.13 mm**<br>~~eee~~<br>~~eee~~<br>~~0)~~|VSWR<br>~~eee~~<br>~~a~~<br>~~eee~~|< 2.0:1<br>~~eee~~<br>~~eee~~|< 2.0:1<br>~~eee~~<br>~~eee~~|
||Average Efficiency<br>~~a~~<br>~~eee~~|66 %<br>~~eee~~|67 %<br>~~eee~~|
||Peak Gain<br>(Max)<br>~~eee~~|1.2 dBi<br>~~eee~~|3.6 dBi<br>~~eee~~|
||Average Gain<br>~~eee~~<br>~~a~~<br>~~eee~~|-1.8 dBi<br>~~eee~~<br>~~eee~~|-1.7 dBi<br>~~eee~~<br>~~eee~~|
|**210891-8**<br>**200 mm**<br>**MHF4L**<br>**1.13 mm**<br>~~0)~~|VSWR<br>~~a~~<br>~~eee~~|< 1.9:1<br>~~eee~~|< 1.8:1<br>~~eee~~|
||Average Efficiency<br>~~a~~<br>~~eee~~|63 %<br>~~eee~~|62 %<br>~~eee~~|
||Peak Gain<br>(Max)<br>~~eee~~|0.9 dBi<br>~~eee~~|3.2 dBi<br>~~eee~~|
||Average Gain<br>~~eee~~<br>~~a~~|-2.0 dBi<br>~~eee~~<br>~~a~~|-2.1 dBi<br>~~eee~~<br>~~a~~|



**3100-8500 MHz UWB EMBEDDED FPC ANTENNA** Standard Antenna Solutions 

**RF DATA (Shown as 2108971-1 : Others can vary with different cable lengths.)** 

**==> picture [45 x 12] intentionally omitted <==**

**----- Start of picture text -----**<br>
VSWR<br>**----- End of picture text -----**<br>


Return Loss 

## Peak Gain 

## Efficiency 

Data measured in free space and on 165 x 100 x 2 mm PC plastic 

DATA AND DEVICES /// 3100-8500 MHz UWB EMBEDDED FPC ANTENNA 

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**3100-8500 MHz UWB EMBEDDED FPC ANTENNA** Standard Antenna Solutions 

## **RADIATION PATTERN** 

**(Shown as 2108971-1 : Others can vary with different cable lengths.)** 

**==> picture [419 x 231] intentionally omitted <==**

**----- Start of picture text -----**<br>
Test setup Azimuth<br>Z0°<br>90° Y<br>°<br>X ° 90<br>0<br>Azimuth Plane<br>Elevation 1 Plane<br>Elevation 2 Plane<br>Plastic device enclosure<br>**----- End of picture text -----**<br>


**==> picture [90 x 14] intentionally omitted <==**

**----- Start of picture text -----**<br>
Elevation 1<br>**----- End of picture text -----**<br>


**==> picture [90 x 14] intentionally omitted <==**

**----- Start of picture text -----**<br>
Elevation 2<br>**----- End of picture text -----**<br>


Data measured in free space and on 165 x 100 x 2 mm PC plastic 

DATA AND DEVICES /// 3100-8500 MHz UWB EMBEDDED FPC ANTENNA 

**5** _ 

**3100-8500 MHz UWB EMBEDDED FPC ANTENNA** Standard Antenna Solutions 

## **RADIATION PATTERN** 

**(Shown as 2108971-1 : Others can vary with different cable lengths.)** 

**==> picture [419 x 261] intentionally omitted <==**

**----- Start of picture text -----**<br>
Test setup Azimuth<br>Z0°<br>90° Y<br>°<br>X ° 90<br>0<br>Azimuth Plane<br>Elevation 1 Plane<br>Elevation 2 Plane<br>Plastic device enclosure<br>Elevation 1 Elevation 2<br>**----- End of picture text -----**<br>


**==> picture [90 x 14] intentionally omitted <==**

**----- Start of picture text -----**<br>
Elevation 2<br>**----- End of picture text -----**<br>


Data measured in free space and on 165 x 100 x 2 mm PC plastic 

DATA AND DEVICES /// 3100-8500 MHz UWB EMBEDDED FPC ANTENNA 

**6** 

**3100-8500 MHz UWB EMBEDDED FPC ANTENNA** Standard Antenna Solutions 

## **RADIATION PATTERN** 

**(Shown as 2108971-1 : Others can vary with different cable lengths.)** 

**==> picture [410 x 261] intentionally omitted <==**

**----- Start of picture text -----**<br>
Test setup Azimuth<br>Z0°<br>. > 4 :<br>90° Y<br>°<br>X ° 90<br>0<br>Azimuth Plane<br>Elevation 1 Plane<br>a NED<br>Elevation 2 Plane<br>Plastic device enclosure<br>Elevation 1 Elevation 2<br>**----- End of picture text -----**<br>


## Plastic device enclosure 

Data measured in free space and on 165 x 100 x 2 mm PC plastic 

DATA AND DEVICES /// 3100-8500 MHz UWB EMBEDDED FPC ANTENNA **7** ~~ee~~ 

**3100-8500 MHz UWB EMBEDDED FPC ANTENNA** Standard Antenna Solutions 

## **KEEP OUT AREA** 

**==> picture [321 x 231] intentionally omitted <==**

**----- Start of picture text -----**<br>
10.00<br>Antenna Outline<br>10.00(2X)<br>2108971-1<br>10.00<br>PLASTIC<br>Keep Out  10.00(2X)<br>Area<br>10.00(2X)<br>PLASTIC<br>**----- End of picture text -----**<br>


NOTES:1. Antenna designed to be mounted on plastic cover. 2. Area in blue above indicates Keep Out Area. 

Dimensions: mm Diagram is not to scale 

3. For more information please call TE. 

## **DIMENSIONS** 

## **(Refer to Page9 for dimension “A” and “B”)** 

**==> picture [83 x 18] intentionally omitted <==**

**----- Start of picture text -----**<br>
Dimensions: mm<br>Diagram is not to scale<br>**----- End of picture text -----**<br>


DATA AND DEVICES /// 3100-8500 MHz UWB EMBEDDED FPC ANTENNA 

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**3100-8500 MHz UWB EMBEDDED FPC ANTENNA** Standard Antenna Solutions 

## **MATING COMPONENTS TO PART NUMBERS AND DIMENSIONS** 

|2108971-1<br>~~a ~~<br>~~e~~~~**s**~~|50.0<br> ~~a~~<br>~~ee~~|1.968<br>~~se~~<br>~~eee~~|1.37<br>~~se~~<br>~~eee~~|MHF-TYPE PLUG<br>~~se~~<br>~~ee~~~~**e**~~|RECEPTACLE (TE PN: 2337019-1)<br>~~se~~<br>~~ee~~|})|
|---|---|---|---|---|---|---|
|2108971-2<br>~~e~~~~**s**~~<br>~~a~~|100.0<br>~~ee~~<br>~~a~~|3.937<br>~~eee~~<br>~~e~~|1.37<br>~~eee~~<br>~~e~~|MHF-TYPE PLUG<br>~~ee~~~~**e**~~<br>~~e~~|RECEPTACLE (TE PN: 2337019-1)<br>~~ee~~||
|2108971-3<br>~~e~~~~**s**~~<br>~~a~~<br>~~a~~|150.0<br>~~ee~~<br>~~a~~<br>~~a~~|5.905<br>~~eee~~<br>~~e~~<br>~~ee~~|1.37<br>~~eee~~<br>~~e~~<br>~~ee~~|MHF-TYPE PLUG<br>~~ee~~~~**e**~~<br>~~e~~<br>~~ee~~|RECEPTACLE (TE PN: 2337019-1)<br>~~ee~~||
|2108971-4<br>~~e~~~~**s** ~~<br>~~a~~<br>~~a~~<br>~~a~~|200.0<br> ~~ee ~~<br>~~a~~<br>~~a~~<br>~~a~~|7.784<br> ~~eee~~<br>~~e~~<br>~~ee~~<br>~~ee~~|1.37<br>~~eee ~~<br>~~e~~<br>~~ee~~<br>~~ee~~|MHF-TYPE PLUG<br> ~~ee~~~~**e** ~~<br>~~e~~<br>~~ee~~<br>~~ee~~|RECEPTACLE (TE PN: 2337019-1)<br> ~~ee ~~||
|2108971-5<br>~~a~~<br>~~a~~<br>~~**a**~~|50.0<br>~~a ~~<br>~~a~~<br>~~a~~|1.968<br> ~~ee~~<br>~~ee~~|1.13<br>~~ee~~<br>~~ee~~|MHF4L-TYPE PLUG <br>~~ee~~<br>~~ee~~|RECEPTACLE (TE PN: 2334884-1)|0)|
|2108971-6<br>~~a ~~<br>~~**a**~~|100.0<br> ~~a ~~<br>~~a~~<br>~~a~~|3.937<br> ~~ee~~<br>~~ee~~|1.13<br>~~ee~~<br>~~ee~~|MHF4L-TYPE PLUG <br>~~ee~~<br>~~ee~~|RECEPTACLE (TE PN: 2334884-1)<br>~~ee~~||
|2108971-7<br>~~**a**~~<br>~~a~~|150.0<br>~~a~~<br>~~a~~<br>~~a~~|5.905<br>~~ee~~<br>~~e~~|1.13<br>~~ee~~<br>~~ee~~|MHF4L-TYPE PLUG <br>~~ee~~<br>~~ee~~|RECEPTACLE (TE PN: 2334884-1)<br>~~ee~~||
|2108971-8<br>~~**a** ~~<br>~~a~~|200.0<br> ~~a~~<br>~~a ~~<br>~~a~~|7.784<br> ~~ee~~<br>~~e~~|1.13<br>~~ee~~<br>~~ee~~|MHF4L-TYPE PLUG <br>~~ee~~<br>~~ee~~|RECEPTACLE (TE PN: 2334884-1)<br>~~ee~~||
|PART<br>~~a~~<br>~~A886~~<br>~~|~~|MM<br>~~a ~~<br>~~A886~~<br>~~|~~|INCH<br> ~~e~~<br>~~A886~~<br>~~|~~|MM<br>~~ee~~<br>~~A88628609,~~|CONNECTOR TYPE<br>~~ee~~<br>~~rr~~|PART NUMBER|IMAGE|
|NUMBER<br>~~A886~~<br>~~|~~|CABLE<br>LENGTH(A)<br>~~A886~~<br>~~|~~|||(ON CABLE)<br>~~rr~~|MATING COMPONENTS||



## **PACKAGING** 

DATA AND DEVICES /// 3100-8500 MHz UWB EMBEDDED FPC ANTENNA 

**9** i 

**3100-8500 MHz UWB EMBEDDED FPC ANTENNA** Standard Antenna Solutions 

TE TECHNICAL SUPPORT CENTER USA: +1 (800) 522-6752 Canada: +1 (905) 475-6222 Mexico: +52 (0) 55-1106-0800 Latin/S. America: +54 (0) 11-4733-2200 Germany: +49 (0) 6251-133-1999 UK: +44 (0) 800-267666 France: +33 (0) 1-3420-8686 Netherlands: +31 (0) 73-6246-999 China: +86 (0) 400-820-6015 For phone numbers in other countries, go to te.com/support-center 

## **te.com** 

TE Connectivity, TE Connectivity (logo) are trademarks. All other logos, products and/or company names referred to herein might be trademarks of their respective owners. 

The information given herein, including drawings, illustrations and schematics which are intended for illustration purposes only, is believed to be reliable. However, TE Connectivity makes no warranties as to its accuracy or completeness and disclaims any liability in connection with its use. TE Connectivity‘s obligations shall only be as set forth in TE Connectivity‘s Standard Terms and Conditions of Sale for this product and in no case will TE Connectivity be liable for any incidental, indirect or consequential damages arising out of the sale, resale, use or misuse of the product. Users of TE Connectivity products should make their own evaluation to determine the suitability of each such product for the specific application. 

© 2020 TE Connectivity Ltd. family of companies All Rights Reserved. 

**06/2022** 

DATA AND DEVICES /// 3100-8500 MHz UWB EMBEDDED FPC ANTENNA 

**10**

Updated at June 9, 2026

TE Connectivity is a globally recognized engineering and manufacturing leader, specializing in highly reliable connectivity and sensing solutions. Renowned for innovation and durability, their components are engineered to perform in the most demanding environments, supporting critical advancements in industrial equipment, data communications, and automotive systems. Our extensive selection of TE Connectivity products is anchored by their industry-leading connector portfolio. We carry a comprehensive array of terminal blocks and accessories, including wire-to-board, pluggable, standard, and barrier configurations, alongside robust backplane connectors designed to ensure secure and efficient power and data transmission in complex circuit designs. Beyond physical connections, TE Connectivity is a premier manufacturer of precision sensors, antennas, and electromechanical switching components. Our inventory features a wide variety of RF antennas and highly accurate pressure, temperature, and force transducers. Additionally, we provide an expansive range of TE's dependable relays, encompassing automotive, power, and signal variants, alongside essential passive components like shielding gaskets and RF inductors to fully support your engineering requirements.

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