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Antenna RA SMA Reduced Height 1/4 Wave Whip 868Mhz

Antenna RA SMA Reduced Height 1/4 Wave Whip 868Mhz

Quarter-wave or monopole antennas require an associated ground plane counterpoise for proper operation. The size and location of the ground plane relative to the antenna will affect the overall performance of the antenna in the final design. When used in conjunction with a ground plane smaller than that used to tune the antenna, the center frequency typically will shift higher in frequency and the bandwidth will decrease. The proximity of other circuit elements and packaging near the antenna will also affect the final performance. For further discussion and guidance on the importance of the ground plane counterpoise, please refer to MS TELECOM Understanding Antenna Specifications and Operation.

Product Details

Antenna SMA Reduced Height 1/4 Wave Whip 868MHz

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1. Product Description

The MS Series utilizes a helical element to greatly reduce the physical length of the antenna housing. They are ideal for small products where cosmetic or functional requirements dictate a compact, aesthetically pleasing antenna package. Despite their tiny size, MS Series antennas are ruggedly constructed and able to withstand punishing environments just like our larger whips. MS Series antennas attach via an SMA or Part 15 compliant RP-SMA connector and RA SMA connector


2. Features

• Reduced-height helical whip

• Excellent performance 

• Omni-directional pattern 

• Low VSWR 

• Fully weatherized 

• Rugged & damage-resistant 

• SMA or Part 15 compliant RP-SMA connector 

• Available in black or custom colors

 • Use with plastic* or metal enclosures


3. Electrical Specifications

Center Frequency: 868MHz  

Freq. Range: 865-871MHz 

Bandwidth: 6MHz 

Wavelength: ¼-wave 

VSWR: < 1.9 typical at center 

Peak Gain: –1.5dBi 

Impedance: 50-ohms 

Connection: RA-SMA or SMA 

Oper. Temp. Range: –40°C to +90°C


4. 868MHz Antenna Dimensions


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5. VSWR

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6. Counterpoise

Quarter-wave or monopole antennas require an associated ground plane counterpoise for proper operation. The size and location of the ground plane relative to the antenna will affect the overall performance of the antenna in the final design. When used in conjunction with a ground plane smaller than that used to tune the antenna, the center frequency typically will shift higher in frequency and the bandwidth will decrease. The proximity of other circuit elements and packaging near the antenna will also affect the final performance. For further discussion and guidance on the importance of the ground plane counterpoise, please refer to MS TELECOM Understanding Antenna Specifications and Operation.

MS Telecom Co.,Ltd is one of the leading manufacturers of antenna ra sma reduced height 1/4 wave whip 868mhz in China. With the aid of advanced equipment and professionals, we are able to supply customers the best quality antenna with reliable performance and strong durability. Please rest assured to wholesale our products made in China at competitive price.
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