MReX-5B Transmitter User Manual v2.07 Firmware
Specification
Frequency Range:
•
MReX-460: 421 - 480 MHz
Tx/Rx Frequency Accuracy
:
•
0.5ppm. 235Hz max error at 470MHz over entire temperature range.
Battery Supply Voltage:
•
3V Internally fused at 250mA (not self resetting). Min normal operating voltage 2.7V. Max
battery voltage 3.3V.
Buttons Inputs:
•
Five.
Message Input message length:
•
Input max configured message length 50 characters
Temperature Limits:
•
-10 to + 55 degrees Celsius.
Max Tx Power
(+/- 1dB)
•
20dBm (100mW)
Max Rx Input Power:
•
13dBm (any level above this will destroy the receiver)
Antenna Connector:
•
SMA female.
Operating Current:
•
Up to 95mA transmitting into matched 50 ohm antenna (depending on TX power setting).
•
<300nA in transmit only standby when used with 3V battery (wake on input change).
Firmware:
•
Field upgradable.
Physical Dimensions:
(L x W x H)
•
102mm x 51mm x 28mm
Serial Output:
•
Serial 9600:8-N-1 baud, 3.3V TTL.
•
WTE protocol format.
© WTE Limited, 2020 – Christchurch New Zealand
Page 33 of 35
