As STQ is based on ETH ERC20, the transaction fee is also evaluated in GAS (ethereum)
That means you have to keep some ETH in your wallet to carry out a transaction successfully.
Tokens sending process is like any other regular transaction
You can calculate the transaction fee using the link below:
We recommend to set 300.000 Gas Limit and 21 Gwei.
If you have any troubles with transferring your tokens to an exchange or to another wallet, please contact this exchange or wallet support