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Pulse Shadow Low Profile Antenna - WhitePulse recently introduced a new white finish option for its popular Shadow Low Profile Transit (SLPT) series of antennas. These highly durable low profile antennas provide a compact vehicle mount alternative without sacrificing mechanical or electrical performance. The Shadow antenna series offers a wide array of products covering Public Safety, LTE, Smart Grid, WLAN, ITS and DSRC applications operating at 698-960/1710-2170/2400-2700/4900-6000 MHz. Antennas are available in both NMO and tamper-proof direct mount products, which support multiple cable and connector options.

"SLPT antennas are an excellent choice for both on-vehicle as well as off-vehicle applications," explains Olivier Robin, general manager for Pulse Electronics Wireless Infrastructure business unit. "These compact antennas can provide good gain, as high in 5dBi in a package less than 3.2 inches (xx mm) tall. They are optimized for performance covering specific frequency bands needed for public safety, WiFi, and 3G/4G LTE markets; and there are even versions well-suited for the emerging ITS and DSRC transportation markets."

This new on-vehicle, low-profile, white radome antenna provides an additional cosmetic option to a proven product line.

For more details and/or to purchase Pulse Shadow antennas, click here...

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Comments | Posted in News M2M By HP

On Friday, I received a call from a customer looking to purchase blade style dipole antennas for use with Sierra Wireless modems.  Of course, I told him I'd be happy to help.  The antenna he was looking for is the Sierra Wireless model # 1810075.  This antenna is a blade style dipole with right angle knuckle and SMA male connector for cellular modems, access points, routers, and small base station applications. The unit is 9 inches long and provides 2 dBi gain across the full range of 3G/4G/LTE frequencies of 698-2700 Mhz.


Full specifications for the 1810075 antenna are available here.


This antenna is optimized for use with any of the Sierra Wireless AirLink products, including Raven XE/XT, LS300, ES450, GX400, GX440 & GX450


In addition, I suggested an alternate antenna to the 1810075, that's the TaoGlas part # TG.30.8113, which is another excellent choice...a wideband (698-2700 MHz) 3G/4G-LTE antenna with hinge & SMA-male connector.


If you have a question about these, or any other cellular 3G/4G/LTE modem antenna...CALL ME or email us at any time.  1-888-925-5967 /


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Comments | Posted in M2M By System Administrator

Laird WPD136M6C-001 AntennaRecently, we have had numerous inquiries for our WPD136M6C-001 Full Spectrum Multi-Band antenna, and I wanted to inform our customer base that WE HAVE THIS UNIT AVAILABLE – lead time is approximately 3-4 weeks to deliver to your dock. This antenna is MADE IN THE USA, and is excellent for any government, military, utility company, or public safety / LMR-land mobile radio application in the UHF and/or VHF range.  


The WPD136M6C-001 is an IP66 rated, all in one, omnidirectional roof / NMO mount multi-band antenna that covers the following frequencies: 136-174, 380-520, and 760-870 MHz (which is inclusive of the Tetra PMR and P25 bands.)


If you have questions about applications that can use this antenna, please contact us immediately, and we will be happy to help! 


Check out the WPD136M6C-001 here...


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Comments | Posted in News M2M By System Administrator

Antenna Ground Plane Calculation

May 7, 2014 9:29:05 PM EDT

Q) I would like to know the difference between TRA6927M3PW-001 and TRA6927M3PWN-001, which makes the gains so much different. For the first one, peak gain at 698-960 is 3.5dB and the second one is 0dB.


A) The only difference between the two is that the TRA6927M3PWN-001 does not require a metallic ground plane.  That being said, that would be the answer to the gain-loss as well, as you will lose a substantial amount of gain when the antenna is not mounted on a metal base.


The amount/size of the “ground-plane” required for the optimal performance of a monopole antenna is determined by the frequency you are transmitting/receiving at. In this case, it’s a multi-band antenna the customer is using (it can be used from 700 MHz – 2700 MHz) so the ground plane required could be anywhere from 4-64 square inches.


At 700 Mhz: 8x8 inches

At 2700 Mhz: 2x2 inches


You can calculate this by using the free Ground Plane Antenna Calculator tool at Simply type the frequency into the field labeled “Desired Frequency” and click “Calculate” The minimum ground plane size required for optimal performance will be displayed below as “radial length”

 Suggested Metallic Ground Plane for Antennas by Popular Frequency

For example, if the ideal radial length is calculated at 4 inches, that means that the ground plane must extend out at least 4” in each direction from the antenna in the center, for a ground plane size of 8x8 inches (64 square inches.) Keep in mind that the ground plane does NOT need to be perfectly shaped, the antenna simply needs to be in contact with a total of 64 square inches of metallic surface area.


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Comments | Posted in M2M By System Administrator
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