iDen/ISm Secure Comms.... UpDate...

@Falcon15 I have fixed the URL in both the Original, ANY Falcon15's Quoted Post above....

 

Bump: Update Information on SECURE Phones...........
There is a fellow actively working on a REPEATER built from two DirecTalk Radios... He has done an extensive Reverse Engineering Job on the Units and looks to be getting close to a Workig Prototype.
You ca see the Whole thread here: MotoTalk/Direct Talk Repeater Project ISM Band - Survivalist Forum

 

@BTPost
Is there any way to use sync cables to communicate pc to pc over iDen?
Not sure what communication application would support but seems like it might be useful

 

@melbo I wish.... but NO, that isn't one of the functions that these will do..... HOWEVER.... See this.... A very Interesting NEW Product, for SECURE Comms......

This WILL do that really well, for a distance of 3-5 miles, via VHF Freqs (152-154Mhz MURS Freqs) as long as the PCs have BlueTooth connectivity....

Moderator Note: I moved the information on the New Device, to the thread, listed above, in keeping this thread, for the IDen/ISM SECURE Phones. Please use the other thread for the BlueTooth/VHF Hardware.

 

Motorola i335
Just ask what you need to know, I am certain somebody here can assist you or point you in the right direction. If your question is, "are they iDen capable?" the answer is yes.

 

As is, they do NOT "Mesh".... There was some messing around with two units wired "Back to Back" making a Repeater, a few years ago.... NO special Duplexers are required, as these are Spread Spectrum, Frequency Hopping Units, and Antenna separation is all that is really required.

If you are a Ham Radio Operator, it is legal to add an external High Gain Antenna, and boost the Power Output to 10 Watts. via an external Amplifier, as these units operate in the 902-928 Mhz ISM Band, as an unlicensed Part 15 Device. This is also a Licensed Ham Radio Band, as a Secondary Licensed User, and there are specific Rules in Part 97. for Spread Spectrum, Frequency Hopping Transmitters.

 

Not part of the Firmware, Sorry... Way to old of design...

 

As soon as BearTooth becomes more than Vaporware.... It will be a good tool.... I have had two on order, since the first day... Once here, I will do an Evaluation and post MY Results....

 

These are NOT GSM Phones when in DirecTalk Mode.... They are Spread Spectrum Frequency Hopping Digital Phones... that are using a totally different ChipSet, when in this mode from the Cellular ChipSet, when in Cellular Mode... It takes a completely different set of Firmware, written from scratch, to change a Cellphone over to a Cellular Base Station... Remember that the Tx and Rx Frequencies are REVERSED in the Base Station, and the complete ENI/IMNS Firmware of a Base Station would need to be reverse Engineered, unless you happen to have a copy of the Cellular Base Station Source Code, which is Highly Proprietary, and held very close, by the OEM Manufactures. This would also mean you will have to have Reverse Engineered the TeleCommand algorythems, Channel Switching, and HandOff Routines... That is why StingRays are so Expensive, and TOTALLY ILLEGAL, for ANYONE, but a FEDERAL AGENCY, with a SPECIFIC Authorization from the Office of Science & Technology, (Whitehouse) to operate, inside the United States of America..... OR a Licensed Cellular Provider, operating inside their Licensed Service Area..

 

Right now the Secure Phones are it... BearTooth will be an advance... There is a device that is similar to the BearTooth but uses the MURS VHF Band, called Go-Tenna... it doesn't have the capabilities of BearTooth, but it IS Shipping, from what I hear... not sure I am all that interested, due to limited MURS channels, and limited Digital Comms ability... At the moment I am using APRS Digital Comms, on VHF/UHF Ham Bands, with a MonkeyNet OnePad Phrase PAD... Typically this is skating on the Fine Line of Part97, but since it is local only, and there isn't an FCC Monitoring Station, within 600 miles, of where I am, I am not worried to much... I mean really, adding "1624 4724" to an APRS POsition Transmission, just doesn't really get to much attention.... My opinion, YMMV....