ZULU-M Radio Modem Shield for Arduino RF Solutions ZULU-M-Arduino shield adds a wireless communication link to an Arduino/Arduino-compatible processor board. The ZULU-M868 Modem module is a highly integrated RF Modem and intelligent controller with a UART serial interface. It is designed to implement a basic bi-directional wireless serial data link with flow-control handshaking. It may also be setup for One to Many/Broadcast or Many to One operation. ZULU-M868 Module
RF Transceiver based on Si1000 SoC with 25MHz 8051 microcontroller core, 64KB Flash memory, 4352B RAM
EZRadioPRO wireless transceiver
RF Carrier Frequency: 868MHz ISM Band with 5 x selectable channels
Modulation: FSK
RF Power Output: +20dBm
Range: Up to 2000m @ +20dBm
Receiver Sensitivity: -121dBm
RF Data rate: Up to 115kbps
Communication: serial UART with RTS/CTS handshaking
Host Data Rate: Up to 38400bps
Programmable Unique System Identifier
Over the Air (OTA) configuration supported
Power supply: +2.4V to +3.6Vdc
Operating temperature range: -40 to +85°C
Available in DIP format (RS 761-9878) or SM format (RS 761-9872)
Dimensions: 25 x 13 x 3mm (DIP), 25 x 11 x 2mm (SM)
Applications: Wired link replacement, local communication for the Internet-of-Things (IoT)

ZULU-M-Arduino Shield (RS 793-4414)
ZULU-M868 module
Arduino-format headers
LED power indicator
LED Rx/Tx activity indicators
Jumper links to select Host data rate
Jumper links to select Arduino control of 'sleep' mode and Reset
SMA connector for Antenna