Frame examples

The following examples of sent and received API frames are expressed in hexadecimal format.

Example: 0x10 - Transmit Request

The following frame is a Transmit Request frame with the following characteristics:

7E 00 13 10 01 00 13 A2 00 40 DA 9D 23 A6 B9 00 00 48 65 6C 6C 6F 0C

The frame ID is 0x01, so the sender will receive a Transmit Status frame with the result of the transmission.
The destination XBee has a 64-bit address of 00 13 A2 00 40 DA 9D 23 and 16-bit address of A6 B9.
It does not specify any option.
The data to transmit is 'Hello' (48 65 6C 6C 6F).

Frame fields		Offset	Example	Description
Start delimeter		0	0x7E
Length		MSB 1	0x00	Number of bytes between the length and the checksum
Length		LSB 2	0x13	Number of bytes between the length and the checksum
Frame data	Frame type	3	0x10	0x10 - Indicates this is a Transmit Request frame
	Frame ID	4	0x01	Identifies the data frame for the host to correlate with a subsequent Transmit Status (0x8B) frame. Setting Frame ID to '0' will disable response frame.
	64-bit Destination address	MSB 5	0x00	Set to the 64-bit address of the destination XBee The following addresses are also supported: 0x0000000000000000 - Coordinator address 0x000000000000FFFF - Broadcast address 0xFFFFFFFFFFFFFFFF - Unknown address if the destination's 64-bit address is unknown
		6	0x13
		7	0xA2
		8	0x00
		9	0x40
		10	0xDA
		11	0x9D
		LSB 12	0x23
	16-bit Destination address	MSB 13	0xA6	Set to the 16-bit address of the destination XBee, if known. The following addresses are also supported: 0x0000 - Coordinator address 0xFFFE - Unknown address if the destination's 16-bit address is unknown, or if sending a broadcast
	16-bit Destination address	LSB 14	0xB9
	Broadcast Radius	15	0x00	Sets the maximum number of hops a broadcast transmission can occur. If set to '0', the broadcast radius will be set to the maximum hops value.
	Options	16	0x00	Bitfield of supported transmission options Supported values include the following: 0x01 - Disable retries 0x20 - Enable APS encryption (if EE = 1) 0x40 - Use the extended transmission timeout for this destination All other bits must be set to 0. Enabling APS encryption decreases the maximum number of RF payload bytes by 4 (below the value reported by NP). Setting the extended timeout bit causes the stack to set the extended transmission timeout for the destination address.
	RF Data	MSB 14	0x48	Up to 255 bytes of data that is sent to the destination XBee
		15	0x65
		...	0x6C
		17	0x6C
		LSB 18	0x6F
Checksum		22	0x6E	Hash sum of frame data bytes

Example: 0x91 - Explicit Rx Indicator

The following frame is an Explicit Rx Indicator frame with the following characteristics:

7E 00 17 91 00 13 A2 00 40 DA 9D 05 00 00 E8 E8 00 11 C1 05 01 48 65 6C 6C 6F 61

The XBee module that sent this data has a 64-bit address of 00 13 A2 00 40 DA 9D 05 and 16-bit address of 00 00.
The endpoint of the source that initiated the transmission is E8 and the destination endpoint is E8.
The Cluster ID the data is addressed to is 00 11.
The Profile ID the data is addressed to is C1 05.
The packet was acknowledged because the Receive options value is 01.
The received data 'Hello' is (48 65 6C 6C 6F).

Frame fields		Offset	Example	Description
Start delimiter		0	0x7E
Length		MSB 1	0x00	Number of bytes between the length and the checksum
Length		LSB 2	0x17	Number of bytes between the length and the checksum
Frame data	Frame type	3	0x91	0x91 - Indicates this is a Explicit Rx Indicator frame
	64-bit Source Address	MSB 4	0x00	64-bit address of sender Set to 0xFFFFFFFFFFFFFFFF (unknown 64-bit address) if the sender's 64-bit address is unknown
		5	0x13
		6	0xA2
		7	0x00
		8	0x40
		9	0xDA
		10	0x9D
		LSB 11	0x05
	16-bit Source Network Address	MSB 12	0x00	16-bit address of sender
	16-bit Source Network Address	LSB 13	0x00	16-bit address of sender
	Source Endpoint	14	0xE8	Endpoint of the source that initiated the transmission
	Destination Endpoint	15	0xE8	Endpoint of the destination the message is addressed to
	Cluster ID	16	0x00	Cluster ID the message was addressed to
	Cluster ID	17	0x11	Cluster ID the message was addressed to
	Profile ID	18	0xC1	Profile ID the message was addressed to
	Profile ID	19	0x05	Profile ID the message was addressed to
	Receive Options	20	0x01	Bitfield of supported transmission options Supported values include the following: 0x01 - Packet Acknowledged 0x02 - Packet was a broadcast packet 0x20 - Packet encrypted with APS encryption 0x40 - Packet sent with extended timeout enabled
	Received Data	MSB 21	0x48	Up to 255 bytes data received from the source XBee
		22	0x65
		...	0x6C
		24	0x6C
		LSB 25	0x6F
Checksum		26	0x61	Hash sum of frame data bytes