M1621HCT-EXT-SMA

M1621HCT-EXT IRIDIUM EXTERNAL MAGNET MOUNT ANTENNA 

Ordering Part #: 100-00044-01 (TNC) Ordering Part #: 100-00044-02 (SMA) Ordering Part #: 100-00044-03 (SMB) Ordering Part #: 100-00044-04 (MCX) 

Image does not reflect the actual size of the antenna 

## **Description** 

The M1621HCT-EXT is a high performance Iridium certified antenna designed for the Iridium network, built on proprietary Maxtena HeliCore[® ] technology. This technology provides exceptional pattern control, polarization purity and high efficiency in a very compact form factor. The M1621HCT-EXT is an external magnet mount antenna, featuring a 1,500 mm LRM100 coaxial cable with integrated connector. 

The very small size and light weight make this helical Iridium antenna unique in the market and perfect for various commercial and industrial applications. This antenna is the ideal solution for the most extreme and demanding applications where reliable satellite reception and high accuracy are required. It can be used to boost the performance of the Iridium handsets among other uses. 

## **Mechanical Specifications** 

dimensions are in mm 

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 52.20   1500<br>Ue<br>l¢ - 36  ___y<br>**----- End of picture text -----**<br>


## **Electrical Specifications** 

|Polarization|Polarization|Polarization|RHCP|RHCP|RHCP|RHCP|RHCP|RHCP|RHCP|RHCP|RHCP|RHCP|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|Antenna element peak gain|||1 dBic (typical)||||||||||
||Antenna element peak gain|Antenna element peak gain|1 dBic (typical)|1 dBic (typical)|||||||||
|Efficiency|||50%|50%|||||||||
||||||||||||||
|Bandwidth (-1dB)|Bandwidth (-1dB)||30 MHz|30 MHz|||||||||
||Bandwidth (-1dB)||30 MHz||||||||||
|Axial Ratio|||2 dB (max)|2 dB (max)|||||||||
|VSWR|||1.5 (max)|1.5 (max)|||||||||
|Impedance|||50 Ohm|50 Ohm|||||||||
||||50 Ohm|50 Ohm|||||||||
|Operating temp.|||from -40˚C to 85˚C||||||||||
|RF connector|||TNC, SMA, SMB, or MCX||||||||||
|Overall dimensions|||52.20 mm (height) x 36 mm (diameter)||||||||||
|Weight|||52 grams||||||||||



MAXTENA 

WIRELESS INNOVATIONS COMPANY 

## **Features** 

- Optimized for the Iridium network 

- Very low axial ratio 

- TNC, SMA, SMB, MCX connector 

- Ground plane independent 

- Magnet mount 

- Ultra light weight - 52 grams 

## **Applications** 

- Vehicle and fleet tracking 

- Military & security 

- Asset tracking 

- PDAs and laptops 

- Oil & gas industries 

- Navigation devices 

- Law enforcement 

- LBS & M2M applications 

- Iridium (SBD) Short Burst Data 

## **Realized gain plot** 

Measured at 1621 MHz 

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0 [ο]<br>330 [ο] 2 30 [ο]<br>0<br>−2<br>−4<br>300 [ο] −6 60 [ο]<br>−8<br>−10<br>−12<br>270 [ο] −14 90 [ο]<br>RHCP<br>240 [ο] LHCP 120 [ο]<br>210 [ο] 150 [ο]<br>180 [ο]<br>**----- End of picture text -----**<br>


Maxtena Inc. 7361 Calhoun Place, Suite 102 Rockville, MD 20855 1-877-629-8362 info@maxtena.com 

**www.maxtena.com** 

Rev 1.0 | Issue Date: July 3rd 2014 | © 2014 Maxtena Inc, all rights reserved