1. K

    Trying to identify an 800mhz frequency in Ingham County

    Hello. I am doing some scanning in East Lansing, MI, and have come across a frequency: 851.475 to 851.4875 MHz. It is not always 100% duty cycle, and sounds like some sort of digital audio format, but not one that is familiar to me. It is a strong signal like a repeater output. Additionally...
  2. P

    How can you get information out of untrackable systems?

    How have people been able to get information from unlistenable and untrackable systems like iDEN, OpenSky, and TETRA? I mean like talkgroup, LCN/LSNs, and site info? I thought you couldn't listen to or track them properly unless you have a radio connected to that specific system. Some examples...
  3. RadioCheckk

    Nextel Sprint Direct Connect

    Hi. Recently discovered that you can change your old Nextel Sprint phones into walkie talkies. Obviously line of sight reception. The talk on the web says you have to have a sim card in the phone in order for "off network" direct connect to work. I picked up a brand new Nextel ic502 phone with a...
  4. E

    How do I erase the airplane mode from a Motorola iDEN phone?

    Even when I'm pretty sure it's embedded within the OS, I would like to know if it is technically possible (maybe 're-writing' the devices) to erase the airplane mode from 2 iDEN phones: Motorola i680 and Motorola i415. If it is possible, how do I do that? Thanks for your comments.
  5. Z

    Alliant Energy Radio System

    Noticed that the licenses for Alliant Energy (Wisconsin Power & Light Co.) have DMR emissions. Are they moving off of their Iden network & going capacity or connect plus?
  6. jpryor

    The death of 800 MHz Nextel iDEN network (in pictures-spectrum view before and after)

    I have attached an SDRSharp spectrum view showing the before and after picture from the death of the 800 MHZ Nextel iDEN network this weekend. Sprint shut down the Nextel iDEN network this morning Sunday, June 30th at 12:01 AM. The spectrum view captures iDEN activity as seen between 862-865...
  7. A

    Mototola i355 antenna question

    I have some motorola i355 phones that i use for the off-network direct talk feature. I know that motorola makes a factory extended antenna for this phone but im looking for some better antennas that i can get even more range on. I also know of the Yagi antenna and the Omni antenna but these are...
  8. S

    Motorola May Split into 3 Companies Motorola, which has said it wants to split into two separate companies, is exploring a three-way split instead in order to raise cash and pay down debt.