This is a request by Shay C@ to incorporate RT-900 custom UI symbols into the H3 firmware as I did not provide a mechanism to do this from the font touch up utility. So this is the...
2025-06-06 20:44:30 +0000 UTC View Post
The next release (coming soon) has more key-programming capability.
You will be able to assign Long-Press and Short-Press actions to the side buttons depending on the PTT-Mode that's being us...
2025-06-06 12:52:30 +0000 UTC View PostSince the Radtel RT-900 is not a dual PTT radio out of the box I'm curious what PTT mode users of nicFW on the RT-900 use. I myself use Hybrid mode (Essentially the same as stock FW) becau...
2025-06-05 22:07:20 +0000 UTC View PostThis is a very comprehensive user manual that was kindly put together by Dustin Hawkes for the TD-H3 running nicFW.
Different radios may have different sized screens and buttons, but the core...
2025-06-04 22:43:10 +0000 UTC View PostRelease Notes
This update focuses on reorganizing the menu system and adding a new DTMF decoding option.
Menu Reorganization
The me...
I’m hesitant to add menu options for every minor configurable feature, as this tends to bloat the menu system and makes it harder for users to find and navigate general settings efficiently.
<... 2025-05-31 04:13:32 +0000 UTC View PostJust to show the 900 decoding quickly and not missing digits.
2025-05-30 19:07:30 +0000 UTC View PostNote: Please read this "heads-up" post before proceeding [CLICK HERE]
Important Notice: Upcoming V4.00.18 Firmware Release
The V4.00.18 firmware includes major changes to SPI Flash allocation and is not compatib...
2025-05-29 21:47:43 +0000 UTC View PostUse with SPI App 4.00.15 (Previous Release)
Ne...
2025-05-28 15:49:38 +0000 UTC View PostNot 100% yet, there's a few things to tidy up but this should give an idea of its operation.
2025-05-28 10:27:10 +0000 UTC View PostUse with SPI App V4.00.15 (Previous Release)
<...
2025-05-27 13:43:35 +0000 UTC View Post
My 880 has arrived (non GPS)
Although we have little to no info on the internals yet, unless Radtel come through it's gonna take a while to reverse over 50 GPIOs so don't hol...
2025-05-26 09:07:08 +0000 UTC View PostFix audio mute after key tone
Added per channel frequency clarifier (100 Hz per unit adjustment), a value between -2 to +2 will usually be enough to bring an off-frequency re...
2025-05-25 11:44:32 +0000 UTC View PostTesting here with my local repeater CTCSS=71.9 430.91250 MHz Signal S5
With XTAL 671 = +0, patchy, sometimes decodes sometimes not, right at the edge of the window.
With XTAL 671 = +80 ...
2025-05-25 08:48:06 +0000 UTC View PostThis is a bit of a pain to understate it. I have SPI offsets for the original voice prompts, but the voice pack that was issued with the later stock firmwares I have no information about.
As...
2025-05-25 07:32:54 +0000 UTC View Post
Matt recently uploaded an excellent video of this radio. However, some things about this radio didn't add up at first glance.
The radio can receive below 18 MHz, which the BK4819 cannot do, i...
2025-05-23 21:45:45 +0000 UTC View PostSome settings defaults adjusted in SPI App.
Cosmetic fixes, large channel name scanning fix, scope frequency placement.
ASL COS System implemented.
This scan had been running for ages previously.
Thinking about it, the countdown NOT counting down is actually deliberate, RFi compensation is designed to stop RFi from the LCD screen, writin...
2025-05-21 12:44:06 +0000 UTC View PostFor use with SPI Flash App 4.00.11 (Previous Release)
When the Chip-ID is read on the the RT-900 (Register 0x00) it returns as 0x4819 which is the same ID a normal BK4819 returns. The Chip ID is kind of important and it should return what the chip is....
2025-05-20 18:05:00 +0000 UTC View PostUse with SPI Application V4.00.11 (previous release).
This release changes the timing of the communication between the MCU and the BK48(1/2)9 in an attempt t...
2025-05-20 09:49:13 +0000 UTC View PostI just got my radio into this state again and noticed something else. When transmitting there is no TX Modulation. I always have the TX Mod Meter turned on and while testing trying to find out exac...
2025-05-18 17:52:39 +0000 UTC View PostIntroduces two new menus.
Menu 2 "Noise Floor"
-- Allows adjustment of the absolute highest noise level, above which the radio will always consider the channel as ...
One is being ordered as I type
(Thank you everyone for your support allowing me to order this as this is not a typical ultra cheap radio, just a reasonably cheap one)
Work is sti...
2025-05-16 18:07:31 +0000 UTC View PostRequested by a patron in community chat, this is my bad as I forgot to upload it. So here it is.
2025-05-14 15:39:12 +0000 UTC View PostJust a maintenance release.
Fixes activity scan.
Changed AM AGC such that it stops seeking the gain after a short time, enough time to stabilize the si...
2025-05-14 02:19:06 +0000 UTC View PostI need to clarify how the development cycle works.
nicFW900 is under development. That means the releases I put out are NOT stable and they are ABSOLUTELY NOT meant for general use. The lates...
2025-05-13 00:06:28 +0000 UTC View PostI have left my RT-900 scanning Air Band for hours and hours and hours. I have not yet gotten the frequency shift/deaf state during scanning. The only time I've ever gotten it was once directly afte...
2025-05-11 23:11:40 +0000 UTC View PostFor use with existing .08 SPI App
This does not address the random frequency drift problem yet as I'm still investigating what causes it....
2025-05-11 02:41:17 +0000 UTC View Post