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Found 7 results

  1. FCC List of Equipment and Services That Pose National Security Threat Released On: Mar 12, 2021 http://www.fcc.gov/document/fcc-list-equipment-and-services-pose-national-security-threat "FCC's Public Safety and Homeland Security Bureau publishes a list of communications equipment and services that are deemed a threat to national security, consistent with requirements in the Secure and Trusted Communications Networks Act of 2019" A later link takes you to a document with more detail on Hytera's issues: "Covered Equipment or Services Video surveillance and telecommunications equipment produced or provided by Hytera Communications Corporation, to the extent it is used for the purpose of public safety, security of government facilities, physical security surveillance of critical infrastructure, and other national security purposes, including telecommunications or video surveillance services produced or provided by such entity or using such equipment." Commentary: It looks like Motorola is getting great value for their DC lobbying investments. Some GMRS licensees that use Hytera products (including me) will find it amusing that they have again gone to the courts to kill their most viable competitor. So, instead of providing products that meet their customer's needs, Motorola has found it more cost-effective to pursue the low road. They are getting really lazy - not the same company when it was under the Galvins. For those not having used Hytera's higher-end mobile, portable and repeater products (similar build quality to Motorola in their DMR lines, designed originally for the Chinese police forces, etc.), you will find them to be superior from a feature, capability and ETSI compliance standpoint. Not even close. While I support death to the CCP (our greatest enemy) and the concern over camera equipment, I will give credit to Hytera for their product design efforts, even though they likely lifted some marginally important IP from Motorola (another ongoing litigation issue). As the repeaters have Ethernet connectivity, I can see a concern there that might be mitigated through a simple "air gap". This policy will really kick Hytera's a** in the utility market and elsewhere. They do not manufacturer any P25 products. FCC List of Equipment and Services That Pose National Security Threat:
  2. Greetings all, I’m running a Motorola RKR1225 40 watt repeater that should be transmitting 30+ watts after duplexer but I’ve only ever realized 27.5 watts however, that’s not the main issue. When the unit first starts transmitting my test meters (tried three different ones) all show 27.5 watts. But, the longer the repeater remains transmitting, the lower the transmit power goes. It’s a slow but steady drop from 27.5 watts down to 23 watts. I’ve double checked all of my connections and my SWR meters all register 1.00 (using a DM-408B and temporarily using a 35’ run of LMR400 since I’m hoping to relocate the system to a local hospital for better range and saturation and decided to save my heliax cable for the new location. I just can’t figure out why the constant drop in tx output power. As always, I appreciate any and all suggestions and look forward to the replies. John WRDM373
  3. I need help programming my Motorola MCS2000. When I attempt to read the radio I receive an error, "Communication with radio failed". Here's how I reproduce the issue: Connect radio with USB to radio's mic port Open MCS2000 CPS software Choose File > Read Device Select COM1 (the port associated with the USB cable), choose "OK" Receive error, "Communication with radio failed"Here's my setup: Radio Model M01MX+713WRadio ID M01SHL9PW4AN.Software: MSC2000 CPS Ver. R02.02.00. Cable: MSC2000 FTDI USB Serial Cable (ordered from BlueMax49ers)Cable USB driver: FTDI ver. (Date: 8/16/2017)Computer OS: Windows 7 Home Premium SP1, 64-bit Operating SystemAny suggestions would be greatly appreciated. Thank you, Doug T (WRFL449)
  4. Hello all, I'm fairly new to the radio world even though you'd think my USMC Infantry background along with my current Firefighting gig would lead you to believe different. I should've paid closer attention obviously. I recently purchased a pair of Motorola MS350R GMRS/FRS radios. Wasn't even aware of the features or what the capabilities where until thumbing through the user manual. After some time on Google, I applied for and was granted a GMRS license from the FCC. I have spent the past couple of days trying to get these things to work on the repeater function with no luck. I'm a little ways from the nearest repeater but, I don't receive anything. Not even broken communication. I don't believe these things to be digital so I'm under the impression that I should still get garbage as a conformation. But to dive even deeper on the subject, I do not even know what I'm doing. I have no understanding of the freqs, or how to set the radio up in the first place. Everything I can find online is already a step above my understanding. Other than looking at what the channel freqs are and trying to match them (kinda), I have no idea of what's what. I DO know what channels are FRS, FRS/GMRS, and repeated GMRS. Also would like some clarity on the FRS/GMRS channels if you wouldn't mind. Any help will do. All I ask is that you assume I know nothing. Your wisecracks and jokes are encouraged as long as learning is achieved. Thanks in advance, K. Brown
  5. Hey guys and gals! I've got a big pile of 90s vintage Spirits and Talkabout Distances. The antennas have all gone brittle, and are exceeding the point of effective duct tape repairs. There's a mixture of Spirits, model SV-22, running on MURS in blue and green dot, and Talkabout Distance and Distance DPS units. The antennas are all going, and the decay is accelerating. I like handing these out to nontechnical family members, because there's not anything they can screw up other than changing the channel unintentionally. But RF burns are a bad thing, so ... Help me pick out some antennae, please! Ideally, they'll be visually distinctive; Motorola's latest ones are stamped with UHF and VHF, which is nice, but I'm open to third-party ones and have a mild preference for silicone jacketing. Thanks!
  6. All the love here for the M1225 has convinced me. So I made an offer on one. This morning, my offer was accepted. What's the easiest and cheapest way to program this puppy?
  7. So I had this interesting idea while looking at some "Tactical" repeaters owned by the Texas Department of Transportation. Basically they are VHF boxes with Li-on battery packs about the size of your average Pelican handgun case, a 5W full duplex board and a notchplexer. Then I started running some power draw numbers with the Maxon data radios…then the Ritron data radios, and then Tecnet released a new line of smaller data radios along side their Maxon line at IWCE this year. Then 11 Motorola RNet 450's plopped in my lap from a SK's estate. Crystal controlled, single channel data radios that'll run 4W out (on what is probably a 10% duty cycle) with some other junk in the case that isn't actually needed for "repeater" duty. So I've though about throwing a repeater (or two) together in an ammo can, adding a small duplexer (the 20W rated Jensen duplexer will fit nicely in a 30 cal can), adding some external heat sinking and a battery and seeing how it runs. Just gotta track down the service manual for the radios if I'm going to use the RNet radios… Any thoughts?
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