marcmayer

My 2000 E430 came stock with a bumper antenna for the cellular phone. Hirschmann Part #921761-001; MB Part #A210 820 17 75. Can anyone tell me if this is a single band or dual band antenna?

miroj

My EPC says nothing. I would have to assume that the vintage of the technology isnt dual band.

marcmayer

I would tend to agree since the linear compensator is a single band compensator - however - the information I've been able to find on Hirschmann antenntas (one of the few sites I could find with coprehensive information in English) shows the following part number for the single band antennal for the w210:

Part Number 921700-001 which was replaced with replaced with 92749-001 (a more generic version described as: Antenna - concealed bumper mount, 2 concealed enclosed coils, 3 db gain, 18’ RG-58 cable low loss cable 806-960 mHz) - which was then replaced with the dual band bumper mount antenna 921762-001 (described as: Dual band concealed bumber mount - The Invisible Antenna - concealed bumper mount, 2 concealed enclosed coils, 3 db gain, 18’ RG-58 cable low loss cable dual band, 806-960 mHz - 1850/1990 mHz).

You may have noticed that the part I have 921761-001 is only one digit off the generic dual band part number so I'm hopeful that it is the part number for the MB specific applicaiton of the dual band part (to accept the new dual band linear compensator, new PSE, etc. that I'm installing).

If anyone knows for sure - please let me know.

Wolfman

If I am not mistaken, all 2000 Mercedes build-dates were designed for the StarTac phonekit (unlike some 1999 built 2000 models which were setup for the analog setup; check your build date on the sticker by the driver door).

If so, you will have a dual-band antenna as the StarTac phones ran on the 1900 mhz band (the 800mhz continued for Teleaid).

Wolfman

miroj

Lets' work backwards then. When a feature is present in an EPC listing it is generally noted. For example, there is a dual band antenna for the E-Class and it goes on the roof. I have no experience installing analog phones but bear in mind that the signal strength (mW) was a lot higher. GSM phones such as the Nokia series (5xxx / 6xxx) have a roof mounted version unless you have the high security option. Doesnt mean to say that yours wont work and so on but I have seen many parts before that are one digit out and have completely different functions.

marcmayer

Build Date was 2000 and options included CDMA and TDMA StarTac phones which I beleive were both at 800Mhz per Wolfgang's "MB Motorola StarTAC® (Single-band, Dual-mode) (discontinued)
800 MHz Analog and CDMA 800 MHz Analog and TDMA".

miroj

800Mhz probably isnt the best for GSM in any case.

Wolfman

Ooops. You are right. Just looked at some old StarTac phone and manual I have in my junk box. It is 800 mhz.

I guess there is only a very low probability then that the antenna is dual-band. Good luck...

Wolfman

marcmayer

Hirschmann has just verified that the antenna is dual band. The single digit change from their generic dual band bumper antenna signifies a different connector in the OEM MB part from the generic Hirschmann part.