Reference Manual

Table Of Contents
Appendix A: Technical Specifications
LUM0020CD Rev June-2020 Page 95 of 112 Copyright © 2019FreeWave
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Interfaces
Specification Description
Data Connectors
l Board Level Unit:
l 10-pin header with locking ramp
l 0.1 inch spacing, power / data connector
l Enclosed Unit: DB9 female, DCE
Diagnostics Interface Serial, RS232, or TTL
RF Connector
l Board Level Unit: SMA Female
l Enclosed Unit: TNC Female
Power Requirements
Power Requirements
Specification Description
Operating Voltage +6 to +27 VDC
Current Consumption
Voltage
Transmit
Current
Receive
Current
Idle
Current
+6 VDC 1.5 A 200 mA 76 mA
+12 VDC 750 mA 100 mA 44 mA
+27 VDC 340 mA 53 mA 24 mA
Receiver
Receiver
Specification Description
System Gain
l 145 dB at 9,600 bps
l 133 dB at 19,200 bps
Sensitivity
l 2 level GFSK: -112 dBm, standard speed, BER 10
-4
l 4 level GFSK: -100 dBm, high speed, BER 10
-4
Transmitter
Transmitter
Specification Description
Frequency Range 435 to 470 MHz
Output Power
l Up to 2 W
l user selectable
LRS455A-C, LRS455A-CE, LRS455-T
User-Reference Manual
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