GEOTEK HAM RADIO STATION DESK MICROPHONE

I'm selling a new desk mic from  GEOTEK Communications.  Made in USA. It is coming with its original packaging.

The mic is coming without a connector, so you can use it with any ham radio transceiver. Including is the diagram witch is in the bottom of the mic. You can choose between the two switches impedance - hight or low z.

It will be shipped via registered air mail (with a track number).

 You can follow the feedbacks I got.

Specifications:

Element: Dynamic.

Pattern: Omnidirectional.

Frequency response: 50 to 12,000 Jz.

Output: Hi Z: -55db (OdB = 1 volt/microbar) ;  -151 dB EIA.

            Lo Z: -58 dB (OdB = 1 mw/10 microbars;  -76dB (OdB = 1 volt/microbar);  -152 dB EIA.

Impedance: Hi Z: 40,000 ohms, matches 125 to 1,000 ohms.

Switch: Control: DPDT professional long life leaf switches, operated with a simple push-to-talk bar or lift-to-talk operation.

            Impedance: DPDT slide switch located on underside of microphone.

Cable: 2.1m (7ft).

Dimensions: 238mm (9-3/8") high;  110mm (4-11/32") wide;  148mm (5-27/32") deep.

Weight: 687 grams (24/1/4 oz.).

Finish: Durable molded Cycolac in black with die cast base painted in a complimentary color.

The mic was tested on 2 Kenwood TS-870/480 and is works perfectly. Good reports about the audio from all over the world.

If you want to connect it with Kenwood transceiver 8 pins, the instructions are as follows:

PTT - green wire to pin 8, white wire to pin 2.

Mic - red wire to pin 1, black wire to pin 7, shield wire to pin 7

The mic was tested on 2 Yaesu Ft 817/857d and works perfectly.

You nede the microphone connector RJ-45  and the instruction are as follows:

pin 2 and  pin 3.............PTT.

pin 4+ shield and  pin 5............ MIC

if you have any question regarding this item, please ask before bidding.

Good luck in your bidding.