User Manual

P a g e 6
2 LD Module of BU-500
LD Module FCC ID: AMULDBUMODULE
RF Transceiver: Atmel AT86RF230
RF Frequency: 2.4GHz
Modulation type: QPSK
RF Channels: 16 RF Channels
Baud Rate: 250K Bit/Sec (Not configurable)
RF Module output power: 3dBm
BU-500 (Base Unit) is a unit used to collect messages from tags and send them to central
management system.
The unit replies to each tag upon receiving a message. They unit is also used to set
various tag parameters and to update software inside the tag.
Outdoor unit powered from 24V DC via external AC to DC PS – 110/220VAC.
2.1 BU-500 Units contains Internal Antenna
Internal Antenna type: Internal diversity patch antenna, ~10dBi, directional
Antenna gain: ~12dBi (Max gain: 15dBi)
Average RF data: 3 messages/hour, 1mSec/message, ~30bytes/message per tag.
Option to connect External antenna with same parameters