XBee
0x8A* Modem Status
0x08* AT Command
0x09* AT Command (Queue)
0x88* AT Command Response
0x17* Remote AT Command Request
0x97* Remote AT Command Response
0x00* Tx Request (64-bit)
0x01* Tx Request (16-bit)
0x89* Tx Status
0x80* Rx Data (64-bit)
0x81* Rx Data (16-bit)

XBee 2.5
0x8A* Modem Status
0x08* AT Command
0x09* AT Command (Queue)
0x88* AT Command Response
0x17* Remote AT Command Request
0x97* Remote AT Command Response
0x10* ZigBee Transmit Request
0x11  Explicit Addressing ZigBee Command Frame
0x8B* ZigBee Transmit Status
0x90* ZigBee Recieve Packet
0x91  ZigBee Explicit Rx
0x92  ZigBee IO Data Sample Rx
0x94  Xbee Sensor Read
0x95  Node Identification