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CC2650MODA: TX Range lower than CC2650 Launchpad

Part Number: CC2650MODA
Other Parts Discussed in Thread: CC2650, CC2540

Hi,

i am using the CC2650MODA on a custom board and i am comparing the range between CC2650 Launchpad .

I am using the USB CC2540 scanner on the BLE Device Monitor to look at the RSSI Signal Strength.

The launchpad has -45 and the CC2650MODA has -87.

Booth have the same distance to the USB Scanner.

Why is the antenna from the CC2650MODA so bad?

If i am on connection with the sensortag app and walk 4 meters the connection brakes already. On the other hand connecting with launchpad gives me 25 meters before breaking.

I was using the SABLE-X before and the range was almost the same as the launchpad. But CC2650MODA range sucks really.

Any idea?