3 SPECIFICATIONS
3.1 TECHNICAL SPECIFICATIONS
3.1.1
GENERAL
Frequency Range:
New and old MPT1411 bands without re-alignment.
Other allocations in the range 406 – 512MHz are possible.
Power Requirements:
12VDC (10V – 15.5DC)
Standby:
<75uA
Receiver on & decoding: <70mA
Transmitting:
300mA to 2.1A dependent on Tx power
Number of Channels:
80 sequential or 32 discrete user programmable channels.
Min. Programmable
Channel Step:
6.25kHz
Channel Spacing:
12.5kHz
Operating Temp.
Stability:
2ppm –30 to +60ºC
Construction:
Milled aluminium enclosure with EMC shielded high impact polycarbonate
end-caps
Size:
100mm W x 130mm L x 45mm H
Mounting:
DIN rail, or can be screwed to a flat surface using adaptor plate.
Weight:
620g
Connectors:
Main
25-way D-Type Male
RF
BNC
Led Indicators:
TX, Busy, System, RXD, TXD, RTS, CTS, DCD, DTR
3.1.2
TRANSMITTER:
RF Output Power:
50mW to 5Watts
Bandwidth:
New and old MPT1411 bands without re-alignment
Duty Cycle
up to 70%
Internal Modulation:
Programmable FFSK, 2 Level FSK, 4 level FSK & GMSK.
Analogue Mode:
Programmable audio input levels from +3Bm to -30dBm into 600ohm,
selectable for pre-emphasised or flat response.
Max. Deviation:
± 2.5kHz
Adj. Channel Power:
>65dB at 12.5kHz
Spurious Emissions:
As per EN 300 113
Rise Time:
8mS
URT500 Manual
Page 8 of 42
Rev. C – 6 August 2008
