The 900 MHz Field Modem is a self-contained radio modem that can be battery or
externally powered. To provide the best combination of battery life and transmit
power, the Field Modem supports operation up to 500 mW RF power. An RS-232 interface
is provided through an RJ-45 connector.
Basic Point-to-point RF Link
Multipoint, Peer-to-peer & Mesh Networks also Supported
Applications
The Field Modem was engineered to provide system integrators the ability to add battery-powered nodes to wireless data networks.
Data Acquisition
Remote Monitoring
Environmental Controls
Private Networks
Mobile Terminals
Specifications
RF Field Modem - XT Specifications
Range
up to 30 miles (RF line-of-sight) up to 2200' (indoor/urban)
Radio Frequency
902-928 MHz (FHSS, Frequency Hopping
Spread Spectrum)
Receiver Sensitivity
-110dBm (10 kbps RF data rate) -100 dBm (125 kbps RF data rate)
Transmit Power
when battery powered: 1-500 mW (user-settable) when powered externally: 1-1000 mW
Power Supply
internal batteries 2xL91 (AA) or external 8-30 VDC, manually switched
Interface
RS-232/485 (RJ-45 connector)
Interface Data Rate
up to 230.4 kbps (user-settable)
Encryption
256-bit AES (FIPS-197 certified)
Weight
174g (6.1 oz) without batteries
Dimensions
139mm (L) x 83mm (W) x 27mm (H) 5.48" x 3.26" x 1.06"