ThingMagic M5e-Compact - Manual (Page 176)

Get Application Commands
176 Command Set
The reply format is similar to the Set Frequency Hop Table command. The length must
be set to a multiple of four, and a maximum of 62 hop frequencies is returned. The
frequencies are returned in kHz. Thus, frequency #1 (0xDC370) corresponds to 902,000
kHz:
Get Regulatory Hop Time
Adding the option field and specifying option=0x01 returns the hop frequency in use.
Get Regulatory Hop Time Command Fields (Option = 0x01)
Get Regulatory Hop Time Response Fields (Option = 0x01)
FF 00 65 1D 6A
SOH Length OpCode CRC
FF 0C 65 00 00 00 0D C3 70 00 0D F6 38 00 0E 26 12 60 B2
SOH Length OpCode Status Freq #1 Freq #2 Freq #3 CRC
Field Value Description
Length 0x01 Number of bytes after OpCode
OpCode 0x65 Get Frequency Hop Table
Option 0x01 Indicates the Regulatory Hop Time will be passed.
Field Value Description
Length 0x05 Number of bytes after OpCode
OpCode 0x65 Get Frequency Hop Table
Status [2 bytes] Status
Option 0x01 Indicates the Regulatory Hop Time will be passed.
Regulatory Hop
Time [4 bytes] The hopping interval, in milli-seconds, currently used for the
defined hop table.