'Bunker Busting' Wireless Access Startup: Sure-Fi Profile

By Brian Rhodes, Published Oct 03, 2019, 09:07am EDT

An access startup is claiming its 'bunker busting' wireless Wiegand radios can punch through 'any obstruction'.

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We examine their offering, including:

  • Sure-Fi's company background
  • 'Bunker busting' 900 MHz wireless claims
  • Device pricing compared to other wireless options
  • Sure-Fi's low bandwidth capacity
  • Wiegand-only reader & controller support
  • Strengths and weaknesses compared to trenching and other wireless products

Company **********

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****-**** * ** (****) access *******, ******* ** technology ************* ****** **** **********, ** ****** ******* product *** ******* ****** as '*** *****'* ***** smart ****** ******'. *** remote, *****-***** ****** ******* users ** ***** ****** to ***** ******* *** deliveries.

*******, ****** ******* *********** of * **** ******* of ********, *** ******* developed '* *********** *** MHz ***** ******', ********* the ******* ** ********** as ****-** ** ****.

** ****-**, *** ******* says ** '******* ******** on ** ********** *** developing ******** */* *********' which ******* *** ******* Bridge ********** ***** ** *********** bridge ********.

Wireless ******* ******

****-**'* ******** ******* ********** *** ****** ** link * *****-******* '****** interface' ****** ** * door ********** ********* ***********.

**** ****** *** ******* devices **** *** ***** in ****** ** *** normal ******* ***** *********** on **** *********** ** to ****** ******, ***** a *** *** **** to ***** ********* ******* them.

**** ******* ******* ~*" X *" * *" and *** ******** *** surface ** *** **** mounts:

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*** ****** ******** * reader *** *** ***** contact *****/****** *****. ***** features *******:

  • ******* ******* ****:**** *** ** ******* are ******* ***** ******** using ********** ** **** to ******* ************ **** other ******** *******.
  • ******* *******: *** **** ************* port ** ********** **** Wiegand ******* ** ** 64 ***, ***** ********* the ******** ** *** readers *** ***********.
  • ************* *************: ****** ******* ***** Wiegand ***********, ****-** ***** communicate **** **********, *** tamper *********, **** ******** switches, *** *** ******* can ** ********* ** the ****** '******' *********.
  • ***-*** *********: *** ** **** claims *** *** *** encryption, ***** * ************* wired ******* **** ** not.
  • *** **********: *** ****** ***** are *** ********** *******-**'* ********** ***(**** *** *** *******), and ** ***** ******, wifi, ** *****-**** ***** are ******.

Sure-Fi ***** *****

*** ******* ********* ***** below ***** ** ******** of *** ******* ****** and *** ********** ** the ******** **** ** commercial ************:

*** ***** ********** **** building ************, *****, *** metal ********** ** *** jam *** ******** ****, although ** ******* ** made ***** *** ***** is ********.

'Bunker *******' ***** ********

****-** ****** * ******** range '** ** * mile ******* ************ *** 50+ ***** ****-**-*****', ***** is ************* ****** **** distance ****** **** ** Z-Wave, ****** (******* ~*** feet) *** **** **** connected *******:

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**** *** *** ******** or ****** ****-**'* ******** claims.

*******, ***** ***** ********** are ********* *** ******* for *** '*** *********' from ******** ********, ** asked ****-** *** ****-***** expectations **** **** ** concrete ********** **** ******* garages' *** ** '***** covers ******** ******'?

****-** ********* **** **** conservative, *** ***** *********** wireless ********* *** **** access ***********:

*** ******* ***** ****** depends ** *** ********* itself *** *** ****** and ************ *********. *** way **** ******* ******* are ***** **** *** like ***** ******* ***** and *** ****** ** lessened *************.

*******, ***** *** * few ******** ** *** aware ** ***** **** have * **** ** the ****** ** * 5 ***** *********** ******* garage **** *** ***** the ****** ******* **** on *** *** ***** above ******, ***** ******* essentially * ******** *******. We **** **** ** an ******* ***** **** use * ****** ***** from *** ***** ** the **** ***** ** a *****-****** ****** ********.

** ********* ***, ******** construction ********* ***** ***** distances, *** ************ **** other ********-*********** ***** *** unregulated *** *** **** is ******** **** ***** impact *****.

Low ******* ******* / ** *****

***** ****-** **** *** list * ******** ******* bandwidth ********, *** ********* limit ** *** (~*** bps ** *.**** ****) to *** ********* ******.

****-** ******* ************** * ******* **** capacity** *** ****** ***** up ** **-*** ********** formats ************ ***** ** ~*** bits *** ******, **** ***** **** the ******* **-*** ****** baud ***** ** *,*** bits *** ******.

***** *** ********* *** bitrates, ***** ************ ** not ********.

Access **** *** *********

*******, ******* ****-**'* *** throughput, ****** ******* *** not **** ********* ************.

* *** ****** ** the ****-***** ****** ** the ************* *** ~*** MHz ********* ****-** **** compared ** ****** *.* or * *** *********** used ** ****.

****-**'* ~*** *** ********* carries ******* **** ******* line-of-sight ************ *** ** not ****** *** **** bitrate ************ **** ********* video ** ******* ******* data.

Remote ***** ***** ******

*******, *** ****** **** Sure-Fi **** *** ********** is **** '******' ****** side ********* ***** ** VDC ***** *** **** adding **** *** ** an ******** **** **** readers *** ***** ******* by *** ********** *** pass-through ********.

** **** ************, ********** electrical ***** *** ** present, *** ** ***** will **** ** ** transformed **** ** *** with ********** *********.

No **** ***

******* ********* ***** **** the ****** ** **** only (*********) ******* ** supported, *** ****-******** **** equipment ** *** **********.

****-** **** **** **** on ********* ** **** compliant ******:

** *** ** *** process ** ********** * bridge ****** '*** ****** Pro ******' **** **** support ******* *** **** side ** ****.

Not ******* *****

***** *** ******* ******* will ******* ** ********** weatherproof *********.

****-** ******** *** ********** enclosure **** *** ******* an ********** ******* *******:

*** ******** ********** *** not ***** *** ******* use. **** *** ******* fully ******* ** ************ from ****** * ****** enclosure ******* *** **** for ** ******** *******.

Wiegand ****** *******

****-**'* ******* ****** ** priced **~$*** *** *** ******, ******** ********** ********* are ******* **** ****** in ****** *** *** national ************.

Sure-Fi ****** **** **** ***** ******** *******

*** ** ***~$*******-** ******* ******'* ******* advantages ** * ***** price *** ****** ******* range **** ***** ******** Wiegand *********.

********** ***-************ ******* ****** ****~$****** *** *** **** 2.4 *** **** * shorter '** ** *,*** feet' ***** **** ** more ******** ** ****-**-***** obstructions. *******, *** ***-**** includes ** **** ***** enclosure *** *** ** expanded ** ******** ******* with ~$*** ***-**** ******.

*******-******* *** *** ******** wireless ***** *** ***********, often********* *** ~$***, *** **** ******* additional******** ** ******* ************ ******* ******* ** controllers **** *** ~$*** - $*,*** ** **** link.

Saves ***** ************ ****

*** ******* ***** *********** for ***** ****-** ** eliminating *** ***** ******-********** runs ******* *********, ** even ****** *********, ***** requiring ********** ******** ******************** ************.

******** ****** *********** ***** potentially ** ********* ** dollars **** **** ***** options, *** *** ******'* ~$400 **** ** ********* less **** *** ** two ***'* ***** ** cable ****** ********* ****** fees.

****-** *********** ***** *** 'save *****' ***** ** several *********** ****** **** this ***:

Vote / ****

Comments (22)

*** ***** *** ***** to **** *** ****** by ****? ** *** does ****** **** *** experience?

** *** ***** ******* to *** *** **** interest ***** ** ** us ******* ****. **'** certainly **** ** ** but **'* * *****.

***** ******. ** **** have * ***** **** is ********* ** ***** using **** ******* ******* of ******* ****** *** a ***** ****** ** access ******* *************.

*** **** ** ***, is ******* **** *** unless *** *****-*** *** another ******* ***** *** would *** ****/*** **** device? **** ******* ** the **** ******* **** I ** ********** ** it, **** ** ********* applications.

* ** *** ******* to *** ** *** looking ** ******** ****** if **********. **** **** told ** *** ************ at *** *** ***** of ********* ******* *** that **** *** ** the ***, ** ******* available. *******, * ***** the ********** *** *********** would ** *********** *********.

*'* * ****** ********* about *** ******** ******. On *************** ****, **** ********* ***** modulation, ********* ******* ("***** a ************ ******** ***** to **** *********** *** receiver"), *** ***-*** ("******** a *********** ****-***-*** ******** process *** *** ************ and ***** *********** ********* techniques").

*********** ********* **** **** scare **, **** ** they **** *** ***** extra ****** **** ***** modulation *** ********* *******. Who ** ******* **** protocol? * ***** ** has ********* *** ********* of *** ******** **, say ***.** *** ****. If *** ****** **** own *********, *** *********** lose *** ***** ****** (and *******) ** *** the ****** **** ****** to ****** *** ******** protocols. * ** ***** to *** **** **** are ***** ***, ******.

*** "***********" **** ** scary *** ***** *******. I've***** ** ************* *** ** **** blatant ************ ****** *********** protocols, *** **** **** the ******* ******* ******* they're ***** *******. ********* to*********'* ****** *********, *** ******** ** the ****** ****** *** rely ** *** ******* of *** *********. ** the ****** ****** ** secure, ** ****** ** no ******* ** *** for ******* ** **** exactly *** *** ******** works.

***** ****-**'* **** ** willing ** ********* *** details ** ***** ******** (at ***** *** ******** relating ** ********)? **** would ***** *** **** third-parties ** **** **. If ****-** ** ****** to *** ****** **** exactly *** ***** ****** works, ****'* * *** sign.

****** *** *** ********! I'll ******* **** *******/******* to ****-**.

* ****** * **** of ***** ** ****** the *****. ***** **** impressive, ** *** *** really **** ***** ** the "* **** **** obstructions" *****. ** ****** perfectly ****** *** ****** park ***** * *** the **** *** ****, even ******* * ****** of **********. ****** *** reader **** *** * walk **** * ****** and * *** *******, I *** **** *** consistent ************ ** ***** half * ****, ******* multiple ********** **********, *** above **** ******** *** spotty, ********* ** ******* what *** ******* *** units. ** *** ****, I *** ** ** work ** ***** ******** of * ****.

Test Results Map

* **** ****** ****** with *** ****** *** and ****** **** ******* to *** * **** for *******. * *** have ** ***** **** updating *** ****** ******** through *** ***, *** the ******* ******** *** quick *** *******.

***, ****** *** *** field ******!

** ***** ******* ***** IEEE ***.**** (**-** ***** = ****** **-**)? **-** HaLow ******** ****** **** enough ********* *** ***** applications (*** ****** ******** distances).

****-** **** **** ** a *********** ******, *** 802.11ah.

** ***** *** *** of ***** *** ******* of ********* * ******* buried **** *** ** works ***** ******* ***** 300’ ******* *** *********.

** **** **** ***** these *** * ****** months *** ** ******* projects *** **** **** very ****. **'** **** impressed. **** ******** *** some ******* **** **** the ***** *******/******* *******. IE: ***** **** * 9v ******* *** **** cable/plug ***** ** **. Small *********** ********. *** rail ***** *******. ********** terminal ******. **** ******** identification *** ****** ** the **** ** *** product. **'* * ********-******* product **** **** *****.

*** *** ******* *** obstructions *** *** ********** find *** *** ** the ********. *** ******* is *****-**** ************ **** comes ** *** ** multiple *********** *** ********* objects. ***** ******* ****** out-of-phase *** **** ** complicate *** ********* ** data. **** **** ***** to ******** **** ** slowing **** *** **** rate, **** ** ******* easier ** ****** *** the ****** *******, ** to *********** ** *** clock ** *** **** prevalent ******.

**** **** *** ****** is ********** ********, *** each ******** ** *** own ****.

****** ** **** ******** (GE-MARC-V) (****)

* **** **** **** several ***** *** **** work *****. ** *** location *** **** ** about * */* **** from *** *** **** of *** ***** ******** and **** ** ********* through ***** ** ********* walls **** ***** ***** which ** ***** ******* 250'. **** *** ** issues ** **** ******** in **** * ****. Have * ***** ** 3 **** ** **** site.

***** ***, *** *** this ** ******** ** Wifi, *********** **'* **** limited *********? ****** ***, AMEREN ***** *******, *** I ****** ***** ***** companies, *** *** *** for ***** ********* ******. I **** **** ****** for *** *********, **** to **** ****** **** my ****** ************ ** say **** ** *** interfering **** ***** ******. Now * ********** **** it ** ** ********** band, *** **** **** administrators **** ** ** the ******* ** *** utility *******. ******* **** would *** ** * problem **** **** **** operating ** ***** ****. However, ** *** *** one ** ***** ** transmitting ******** ****, *** most ****** **** **** from *** ***** *******.

** ***** * *** for ****** **** ** HID ******* ** *** if ****-** ** ******** in ***** ******** ****** warning *** ******** ******* policies?

***** #*,

** **** ***** *** this ******** *** *'** report **** **** **** answer. ******.

** ** *******, ****-** devices *** *** *********. They ** *** **** power **** *** ******. They **** ** *** reader ** *** **** way * ******** ****** control ***** *****. **** do ********* ********** ** signals, *** ********* ***** the ****, *** ***** behind *** ******.

*** *********, ******* ***** Sure-Fi ******* *** *** part ** ***** ******** advisory.

***** **** *********:

******* ** *** ****** that *** **** ********* are ********* *** ******** in *** ************. ******* that ******** **** *** readers *** ***** ********* evaluation *** ** **** keep *** ******* ** conclusive ******** *** *********. Please *** ** **** if *** **** *** questions.

***** *** **** ****.

******** *** ***** *** would **** ** ******* application.

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