The Radiometrix UHX1 is a high-specification telemetry radio tranceiver. The Narrow Band FM multi-channel VHF transceiver unit ideal for use in the new 169.4-169.475MHz European band. Squeezed into a compact, low profile package (67x30x12mm), it can provide a reliable data link capable of supporting rates of up to 5kbit/s or 1200 baud modem link over a range of more than 1km. The dual frequency capability allows UHX1's transmitter section to be operated on one frequency while receiver frequency on another. Features -Conforms to ETSI EN 300 220-3 and EN 301 489-3 -High performance double superhet, 128 channel PLL synthesizer -500mW RF power output: adjustable via serial command -Data rates up to 5 kbps for standard module -Usable range over 1km -Feature-rich interface (RSSI, analogue and digital baseband) -Incorporates a 1200baud modem -Re-programmable via RS232 interface -Low power requirements Applications - Heavy vehicle/machine remote controls - Environmental monitoring equipment - Automatic Meter Reading (AMR) - Asset Tracking and Tracing - Data logging systems - Industrial telemetry/telecommand - High-end security/fire alarms. Technical specifications Operating frequency: Any 2MHz segmnet in 140- 175MHz 128 channels controlled via RS232 interface 16 channels selected by parallel interface Transmit power: : 500mW (+27dBm) nominal. Adjustable 1 - 500mW Supply range: 5V regulated transmit, 3.1 - 15V receive Current consumption: 330mA (at 500mW output) transmit, 25mA receive Receiver sensitivity: -118dBm (for 12 dB SINAD)