How to limit the speed of scp transfer

Before:
 # scp HMC_Update_V7R350_SP3.iso hscroot@drhmc2:/home/hscroot/HMC_Update_V7R350_SP3.iso
Password:
HMC_Update_V7R350_SP3.iso                                                                                28%  434MB   1.3MB/s   13:42 ETAReceived disconnect from 148.5.1.181: 2: Corrupted MAC on input.
lost connection


After:
 # scp -l 1024 HMC_Update_V7R350_SP3.iso hscroot@drhmc2:/home/hscroot/HMC_Update_V7R350_SP3.iso
Password:
HMC_Update_V7R350_SP3.iso                                                                                 0% 1040KB 135.7KB/s 3:11:58 ETAK