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maximum payload size supported in api mode for xbee pro s1

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Hi,
Am using Xbee pro s1 , digimesh with below details

PRODUCT FAMILY--XBP24-DM

FUNCTION SET--XBEE PRO DIGIMESH 2.4

FIRMWARE VERSION--8073

its documented as maximum payload size it supports is 256 bytes but i see NP parameter as 0x49 ie 73 bytes.Am using API mode and want to send 200 to 240 bytes of data i frame,is it possible
asked Dec 29, 2017 in RF Solutions and XBee by karan1990 New to the Community (1 point)

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1 Answer

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The API interface supports one UART data packet as being up to 256 bytes. Over the air, that packet will be broken up into 4 packets and re-assembled on the receiving side.
answered Dec 29, 2017 by mvut Veteran of the Digi Community (11,298 points)
Hi MVUT,

            Thank you for your reply.When i send a packet say upto 120 bytes,i don't receive anything on receiver side nor the transmit status,ack. can you throw some light on this.
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