1. S

    SDS100: SDS100 Upgrades Question

    Hey all, Probably a silly question but I searched the forum and don't see any answers. I purchased an SDS100 I plugged it into computer I upgraded Firmware I upgraded Database I then "Wrote to Scanner" (not sure if this is necessary, but it seemed to clear all my custom beeps and settings). I...
  2. Motorola 5550e UHF fully enabled, never used!

    Motorola 5550e UHF fully enabled, never used!

    Hello, I purchased this model AAM28QPN9RA1AN 5550e DMR Color 25-40W, 403-470 UHF WIFI/BT mobile from Aircomm a couple of years ago, and never used it. Still under warranty for several years. It's fully enabled, comes with all books, cables, original box and original receipt! Shipping in the...
  3. R

    TRX-1: How to program DMR DCDM (Motorola) (also @Whistler Support)

    Hi there! How do I decode this with my TRX-1: "Dual Capacity Direct Mode (DCDM) is a DMR enhancement that can be employed when using simplex (direct) communication between radios. When operating with a DMR repeater, the repeater provides a sync signal for the two DMR time slots. Normally, DMR...
  4. $98 TYT MD-380 UHF 400-480MHz DMR Handheld + Free Shipping!

    $98 TYT MD-380 UHF 400-480MHz DMR Handheld + Free Shipping!

    Selling my TYT MD-380 UHF 400-480MHz handheld for $98 OBO free shipping within the United States! The condition is absolutely great only used it a few times in the house and have all accessories including the programming cable. I put the MD380Toolz software on there and can remove it if you’d...
  5. GraniteScanner

    Unknown School Bus Company

    Was on my SDR today and I came across a weak DMR transmission at 453.801-ish. The signal became stronger as the afternoon progressed. It appears to be a school bus radio system. Checking through the FCC I found no licenses for a school bus company. I can upload some audio recordings if needed...
  6. R

    DMR Dump...any ideas what it does?

    Hi everyone I fired up DSD+ and was able to dump a, well at least I think it is, a DMR T3 CC...or could it be some kind of data modem? It is only periodically active, about every 30secs for a few seconds. Slot 2 seems to be silent, but in slot 1 I see data. What do you it a data...
  7. R

    TRX-1: DMR detection Sprectrum Sweeper / Tune Mode

    Hi everyone! I'm in proccess of trying my new TRX-1 out an I have a question for all of you. How accurate is DMR detection while using Spectrum Sweeper / Tune Mode? In 80% of cases it won't detect DMR on my device. It stays in FM mode. The signal comes from a DMR Tier II repeater. My TRX-1...
  8. Whistler TRX-2 - 1 month old - Upgrades - NXDN/DMR/MotoTRBO/ P25 Phase 1&2

    Whistler TRX-2 - 1 month old - Upgrades - NXDN/DMR/MotoTRBO/ P25 Phase 1&2

    Whistler TRX-2 still under warranty just used a few time. Adult Non-Smoking hosehold - never outside / no scratches. Great scanner - I just don't need it afterall. See my feedback. Upgrades: Remtronix Antenna (much better) - will include stock telescopic Upgraded 32gb SD Card for more...
  9. GTR8000

    Submitting conventional DMR/MOTOTRBO frequencies

    When submitting conventional DMR/MOTOTRBO frequencies, please use the following format for the CC/TG/SL info: CC 1|TG 100|SL 1 The way that field is displayed on the database webpage as three lines is not how we enter them, and it becomes a bit of a mess in the submission. One line with the |...
  10. B

    Conventional MOTOTRBO DMR question

    If radio A (The transmitter) and radio B (The receiver) are occupying slot 1 for a call, what will happen to radio B if radio C keys up at the same time? Will radio B hear both radio A and radio C?? *Assume slot 2 is idle, radios A, B and C have different radio ID and all three radios are in...
  11. N

    RFinder B1 VHF/UHF Analog/DMR Android-powered HT

    RFinder B1 for sale. Dual-band VHF/UHF Analog/DMR. Includes original packaging, drop-in charger, screen protector, belt clip and swivel belt mount. Barely used - like-new condition.
  12. sempervirens

    SDS100: SDS100 -- Scanning DMR and P-25 Amateur repeaters?

    Hi all, I'm trying to listen for DMR and P-25 traffic on my local amateur bands, and can't figure out how to do it. I've tried two things: 1. listen for digital chatter with an analog radio, and directly enter that frequency on the SDS. It will sometimes decode the color code and TG but the...
  13. W

    DMR on Itinerant Frequencies?

    I am interested in using DMR over Itinerant frequencies for our commercial business. Can I license an itinerant frequency for DMR emissions? Can I use a hotspot and push the DMR over the internet to another location (within the state I am licensed for)?
  14. kc9lfd

    DMR equipment question

    I would like to apologize if this isn't the est place to post about DMR-related questions. I didn't see a dedicated DMR board and this seemed seemed as close as I could find. My question is about DMR radios equipped with GPS for location sharing -- does anyone know of a DMR that can be equipped...
  15. ***SOLD*** WTS: Whistler TRX-1 and TRX-2

    ***SOLD*** WTS: Whistler TRX-1 and TRX-2

    Looking to sell my two whistlers that I have had over the years to take a further dive into the SDR world. What is pictured is what goes with it. The handheld is missing the clip and olive drab insert for the case. The base/mobile is missing the bracket, network cable(for different placement for...
  16. D

    Hytera to Motorola repeater

    I am looking to build another repeater using the STM32 board. I have one built using two Motorola VRM 850 radios. It works great except I cannot get my Hytera PD782s to work with it. After hours of digging, I came across a thread about how Hyteras don’t work with Motorola’s converted to 403-470...
  17. Z

    Offline/Single-Site MMDVM DMR Repeater

    Hello, I am part of a school club and we currently operate Analog FM and P.25 repeaters, and since many of the club members have DMR-capable radios we wanted to look into setting a DMR repeater as well. We own one of the RepeaterBuilder MMDVM kits, and two Motorola CDM750s to use for RX/TX, I...
  18. D

    Requesting HELP for Downtown Seattle Fed Mystery

    If anyone that works (or lives) in the downtown Seattle area then please help me figure out who is on 410.9 Mhz. The problem is that you'll need some old fashioned DF'ing to help with this one since it's DMR and encrypted with RAS. It seemed to start in April 2021. It was very quiet after the...
  19. KG5KS

    Ideas on mounts for two mobile radios

    I have a 2019 Chevy Silverado Crew Cab and will be putting in two small mobiles " President McKinley and Anytone 578 DMR radio. Normally I would mount in Havis at the center seat. Problem is sometimes I have to have that center seat. So can't have a permanent mount , figuring a mount for both...
  20. UHF 2 way radio DMR & Analog

    UHF 2 way radio DMR & Analog

    Selling a Retevis RT-43 radio (like new) It comes with: - Radio - Battery - UHF Antenna - Battery charger - Belt clip - Sling - User manual - Programming cable (bought separately) - Shoulder mic (bought separately) Frequency: UHF (400-470 MHz) Modes: DMR (Tier I & II) and analog For...