ANT-868-JJB-ST Antenna Factor, ANT-868-JJB-ST Datasheet

Antennas Perm Mnt Mini Ant. Straight Post 868MHz

ANT-868-JJB-ST

Manufacturer Part Number

ANT-868-JJB-ST

Description

Antennas Perm Mnt Mini Ant. Straight Post 868MHz

Manufacturer

Antenna Factor

Datasheet

1.ANT-868-JJB-ST.pdf (1 pages)

Specifications of ANT-868-JJB-ST

Dimensions

0.57 in H

Impedance

50 Ohms

Technology Type

1/4 Wave Antenna

Frequency

868 MHz

Bandwidth

25 MHz

Termination Style

Through Hole

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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Product Dimensions

Recommended Mounting

(17.6)

(14.5)

0.69”

0.57”

-RA Style

0.04”

0.34”

0.22”

(1.0)

(8.6)

(5.5)

0.28”

(7.0)

Antenna Factor 159 Ort Lane Merlin, OR 97532 www.antennafactor.com

0.048” plated hole

Ground plane on bottom

layer for counterpoise

No ground plane or traces

under the antenna

50-ohm microstrip line

0.22”

(5.5)

0.08”

(2.0)

0.35”

(9.0)

0.06”

(1.5)

541-956-0931 (phone) 541-471-6251 (fax)

ANT-868-JJB-xx DATA SHEET

• Very low cost

• Ultra-compact package

• Easily concealed internally

• Good for internal or external mounting

• Excellent performance

• Omni-directional pattern

• Use with plastic* or metal enclosures

• Center Freq.

• Bandwidth

• Wavelength

• VSWR

• Impedance

• Connection

• ANT-868-JJB-RA (Right-Angle)

• ANT-868-JJB-ST (Straight)

RA electrical specifications and plots measured on a 1.50” x 3.30” ground plane

ST electrical specifications and plots measured on a 3.50” x 3.50” ground plane

* Requires proximity ground plane

Description

Features

Electrical Specifications

Ordering Information

VSWR Graph

The JJB Series packs near the performance of a

conventional monopole into an incredibly compact

quarter-inch

antennas are ideal for any OEM application requiring

a compact, cosmetically-attractive, low-cost antenna

solution. The antenna features a through-hole feedline

that can attach directly to a user’s PCB. Internal or

external mounting is possible.

S11 SWR

CENTER 868.000MHz ST

CENTER 868.000MHz RA

868MHz

25MHz

1/4-wave

<2.0 typ. at center

50 ohms

Direct solder

(7mm)

Typical VSWR

diameter

1.423

SPAN 100.000MHz

package. These

1.658

Rev 07-22-08

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