Specifications 1. State-of-art ZigBee chip adopted

2. Industry-leading 32-bit ARM CortexTM-M3 processor

3. Stable ZigBee protocol

1. Introduction Rexense Ultra-Compact ZigBee Module is a type of surface mounted module that enables users to implement ZigBee/IEEE 802.15.4 compliant solution which satisfies the needs of low-cost, low-power wireless sensor networks. The module is easy-to-use, saves board space and offers reliable delivery of data between devices. Rexense Ultra-Compact ZigBee Module operates within the ISM 2.4GHz frequency band. The module’s default configuration supports a wide range of data system applications. The module is embedded with 32-bit wireless microcontroller to offer a wide variety of solutions. ? ? 2. Product Features State-of-art ZigBee chip adopted Industry-leading 32-bit ARM? CortexTM-M3 processor Stable and reliable ZigBee protocol stack embedded Easy to implement ZigBee technology integration for hardware equipment manufacturers Wide communication range and high network reliability ? ? 3. Specifications Table 3-01: Specifications of Ultra-Compact ZigBee Module (SMD)

Model Name	REX3U
Product	Ultra-Compact ZigBee Module (SMD)
Basic Specification
Operating Frequency Band	ISM 2.4GHz
Operating Temperature	-40 ~ 85°C
Antenna Interface	U.FL Jack ; Silvered Antenna
Dimensions (L*W*H)	18.00*15.00*2.60mm
RF Features
Maximum Transmit Range	150m (PCB Antenna) 200m (SMA Antenna)
Maximum Transmit Power Output	7dBm
RF Data Rate	250kbps
Serial Data Rate (software selectable)	1200-230400 bps
RX Sensitivity (1% packet error rate)	-99 dBm
Electrical Features
Supply Voltage	3.3±0.3V
Operating Current(Transmit)	40mA@7dBm
Operating Current(Receive)	27mA@7dBm
Power-down Current	0.4μA
Interface Features
24 GPIO ports; 4 interrupt ports; 1 serial ports UART supported; 1 SPI and I2C supported; 6x12 bits A/D ports.
Network Features
Supported Network Topologies	Point-to-point, Point-to-multipoint, Peer-to-peer Mesh
Number of Channels (software selectable)	16 Direct Sequence Channels

? ? 4. Product Pictures ? ? 5. Pin Configurations ?6. Outline Drawings 7. Ordering Information ? ? ?