REVIEW: AN/PRC-148 MBITR, working replica by United-Star

[Ernesto]

Originally Posted by Lucky131

Yes, on gen.2 you have an CCI sticker between the antenna and u183 plug. Only other difference is the internal wiring if you disassemble it

But from what i know there was a limited run from only 100pcs. of the gen.1 untill they switched to gen.2 .... atleast thats what i have heard from a friend in HK who says he knows the guy's behind united star

confirm, ordered to Rsov, the second generation with the CCI sticker and proper desoldering

[S.E.A.L.]

Any news to Battery Packs which can be sold separately ? Also did any know the specific data of the Battery ? Voltage, mAh (really 2000 ?) and the output power of the charger.

I live in Germany, so I must buy a voltage transformer.

And did anybody have to do a mod to a MSA Sordin Dual Comm Headset for the MBITR ?

[Ernesto]

Originally Posted by S.E.A.L.

I live in Germany, so I must buy a voltage transformer.

Why ? charger work fine on 230 V, checked.

[Conker]

Originally Posted by S.E.A.L.

Any news to Battery Packs which can be sold separately ?

Checked with my supplier for the radio (which is a distributor) and they told me they do not have them currently but will see with the manufacturer if it's possible.

Originally Posted by S.E.A.L.

Also did any know the specific data of the Battery ? Voltage, mAh (really 2000 ?) and the output power of the charger.

Will fully charge mine and get back to you this evening (GMT-5).
For the charger, there's no tag or sticker on it...

Originally Posted by S.E.A.L.

And did anybody have to do a mod to a MSA Sordin Dual Comm Headset for the MBITR ?

It will depend what kind of PTT it is. If it has an impedence matching circuit built-in (and wired for U229 of course), you should be good. Otherwise you'll need either to buy one, or to replace the mic.

[S.E.A.L.]

@ Conker: Thanks, would be really nice if you have any infos about the charger and the battery.

Tomorrow I will get my Sordin ... than I can tell you if it works without modifications and which connector is installed on the PTT Units (3x Nexus U94 PTT Units)

@Ernesto ... are you sure ? I can't really believe that the United Star charger have a integrated voltage transformer. If not I think you will damage the battery and/or the MBITR.

[Ernesto]

Originally Posted by S.E.A.L.

@ Conker: Thanks, would be really nice if you have any infos about the charger and the battery.

Tomorrow I will get my Sordin ... than I can tell you if it works without modifications and which connector is installed on the PTT Units (3x Nexus U94 PTT Units)

@Ernesto ... are you sure ? I can't really believe that the United Star charger have a integrated voltage transformer. If not I think you will damage the battery and/or the MBITR.

Everything works fine, do not worry, already five times charged the battery...


7.2V 800mA

[Pollux77]

I'm slowly going mad over this radio. I can't get to program it, it keeps telling me "data fail". I already tried different COM-ports on different PCs, USB, dongles and native COM from the mainboard. All the same.
When programming the radio, does the display show anything special? Or might someone even shoot a short video programming the device?

Regards

[Infidel]

Originally Posted by Pollux77

I'm slowly going mad over this radio. I can't get to program it, it keeps telling me "data fail". I already tried different COM-ports on different PCs, USB, dongles and native COM from the mainboard. All the same.
When programming the radio, does the display show anything special? Or might someone even shoot a short video programming the device?

Regards

Now you know how a Sig Op feels.

~Infidel

[manchew77]

Yes..I think if someone ..can shoot the video on youtube about programming that would be PERFECT and easy for us to do ....and no more frustrated.

I think we should open the vote for " post Programming this Monster" on youtube.
Please ..Please..i need to see that happen.

[pugs144]

Originally Posted by Infidel

Now you know how a Sig Op feels.

~Infidel

Might be time to toss it over to the LCIS techs then .

[S.E.A.L.]

Now I have also a few problems with the function "read". I can't read data from the MBITR. I worked a few times well but now I got the Error Message "Data Fail".
"Write" works without any problems.

Also I can't "Reset" the MBITR. And can tell my anyone how to listen on a second channel ?
1. Step: Press the "Alt" Button
2. Step: ??? When I press the "Dual-watch operation" Button I will go into the MBITR's Menu -> WTF ?

Yesterday I write 15-16 PMR channels to the MBITR and also 15-16 PMR channels with CTCSS Codes.
When you try to write CTCSS Codes to your MBITR and get a Error Message like "94.8 is not a valid floating point value", check your country/area settings in your system controll.

Also since 2 days I have my Sordin Dual Comm Headset.
To plug on the PTT's you must take out the O-Ring which is inside the audio connector.
After that the MBITR works with the Sordin BUT incoming signals are a little bit quiet. The transmitting signals from me are really good. What should I do now ? Did anybody here a modification to his Sordin Headset ?

Also ... Toysoldier U-94 5-Pin PTT Unit will not work with the MBITR. When you plug it on it will transmitting all the time.

If anybody get contact to the producer of this MBITR, can you please them to publish a new manual and a new version of the programming software ?

[Mysuperior]

Seal.... If u read the whole thread u got all the answears answeared several times.. Impedence is the problem.

[S.E.A.L.]

@ Mysuperior: Sorry but if you read my posting you will see that the signal which I'm sending out to other radios is really clear and loud. The transmitting is no problem. The receiving of signals is the problem! Incoming signals are to quiet. So it seems a impedence problem -> yes, you are probably right with it but not with the transmitting issue like the other guys here. But what should I change out now ?

And also this will not solve my other problems like the not working Dual Watch Function or the Reset of the MBITR.

[Mysuperior]

If im not mistaken you need a amplified PTT to solve the hearing problem..

[Goonz]

Anybody knows how many pins the serial connector is? 9?