Table of Contents
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easyRadio Advanced
easyRadio Advanced
easyRadio Advanced
Modules Included:
•
ERA900TRS
o
804MHz – 940MHz
FCC ID: SLW-ERA9TRS
eRA900TRS (PCB Rev 3.10) Doc Version 1.0
User Guide
User Guide
Doc Version 1.0
Low Power Radio Solutions Ltd
Low Power Radio Solutions Ltd
Station Lane
Witney OXON
OX28 4BH
http://www.lprs.co.uk
Page 1 of 18
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Table of Contents
Summary of Contents for LPRS ERA900TRS
- Page 1 Station Lane Witney OXON OX28 4BH http://www.lprs.co.uk easyRadio Advanced easyRadio Advanced easyRadio Advanced User Guide User Guide Modules Included: • ERA900TRS 804MHz – 940MHz FCC ID: SLW-ERA9TRS eRA900TRS (PCB Rev 3.10) Doc Version 1.0 Doc Version 1.0 Page 1 of 18...
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Page 2: Table Of Contents
Data: ERAxxxTRS Supply +5.0 Volt ± 5%, Temperature 20° C ..............10 ERA900TRS Channel Frequencies vs Bandwidth ERA900TRS Channel Frequencies vs Bandwidth Settings ....................11 eRA900TRS (PCB Rev 3.10) Doc Version 1.0 Doc Version 1.0 Page 2 of 18... -
Page 3: Changes To This Document
Using or continuing to use these devices hereby binds the user to these terms. Using or continuing to use these devices hereby binds the user to these terms. eRA900TRS (PCB Rev 3.10) Doc Version 1.0 Doc Version 1.0 Page 3 of 18... -
Page 4: Fcc Warning Statement
FCC compliance. For FCC compliance, this pin MUST be cut off prior ble for use for FCC compliance. For FCC compliance, this pin MUST be cut off prior Pin 1. to installation Antennas Approved to use with ERA900TRS Antennas Approved to use with ERA900TRS Supplier Part Number... -
Page 5: Introduction To Easyradio Advanced
-40°C to +85°C, as well as providing a usable 40°C to +85°C, as well as providing a usable Custom firmware can also be used (Contact LPRS for Custom firmware can also be used (Contact LPRS for thermometer for the connected application accurate to... -
Page 6: Era900Trs Transceiver Description
Pin Pitch 2.54mm Pin Pitch 2.54mm PCB Hole Size 1.0mm PCB Hole Size 1.0mm Block Diagram Physical Dimensions Physical Dimensions eRA900TRS (PCB Rev 3.10) Doc Version 1.0 eRA900TRS (PCB Rev 3.10) Doc Version 1.0 Page 6 of 18 Page 6 of 18... -
Page 7: Pin Description (Easyradio Mode)
Fit 1K resistors in series with data lines if connecting to 5V logic. Fit 1K resistors in series with data lines if connecting to 5V logic. eRA900TRS (PCB Rev 3.10) Doc Version 1.0 eRA900TRS (PCB Rev 3.10) Doc Version 1.0... - Page 8 (PCB Rev 3.10) Doc Version 1.0 eRA900TRS (PCB Rev 3.10) Doc Version 1.0 Page 8 of 18 Page 8 of 18...
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Page 9: Application & Operation Of A Transceiver: Erax00Trs
The host ready is enabled by the handshaking regardless of handshaking setting. The host ready is enabled by the handshaking setting. eRA900TRS (PCB Rev 3.10) Doc Version 1.0 eRA900TRS (PCB Rev 3.10) Doc Version 1.0 Page 9 of 18... -
Page 10: Absolute Maximum Ratings
Meets EN 300 220 Meets EN 300 220-3 ous Emissions Over Air Data rate 1200 19200 38400 Manchester Encoded Manchester Encoded eRA900TRS (PCB Rev 3.10) Doc Version 1.0 eRA900TRS (PCB Rev 3.10) Doc Version 1.0 Page 10 of 18 Page 10 of 18... -
Page 11: Era900Trs Channel Frequencies Vs Bandwidth Settings
The centre frequency of each channel is calculated using the formula: Centre Frequency f Where b = band plan start frequency c = channel number eRA900TRS (PCB Rev 3.10) Doc Version 1.0 eRA900TRS (PCB Rev 3.10) Doc Version 1.0 Page 11 of 18 Page 11 of 18... -
Page 12: Easyradio Configuration Command Set
Temporary RF Power ER_CMD#p0~9 without modifying the value for a Power without modifying the value for a Power adjustment. reset. eRA900TRS (PCB Rev 3.10) Doc Version 1.0 eRA900TRS (PCB Rev 3.10) Doc Version 1.0 Page 12 of 18 Page 12 of 18... -
Page 13: Rf Channel Settings
DCS ON ER_CMD#A10 Encryption OFF (d Encryption OFF (de- Encryption algorithm is created and owned solely by LPRS. It Encryption algorithm is created and owned solely by LPRS. It fault) uses a 16-bit seed that can be set by the bit seed that can be set by the developer. - Page 14 ASCII characters, ACK in sequence. ‘A’’C’’K’ . command is sent as three ASCII characters, ACK in sequence. ‘A’’C’’K’ . eRA900TRS (PCB Rev 3.10) Doc Version 1.0 eRA900TRS (PCB Rev 3.10) Doc Version 1.0 Page 14 of 18...
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Page 15: Rssi
This value will be different, depending on the bandwidth currently in use. The graph below explains how to interpret use. The graph below explains how to interpret the values: RSSI Levels (804MHz – 940MHz) 940MHz) eRA900TRS (PCB Rev 3.10) Doc Version 1.0 eRA900TRS (PCB Rev 3.10) Doc Version 1.0 Page 15 of 18 Page 15 of 18... -
Page 16: Pcb Layout
Version Date Revision Revision Known Issues 3.10.1 October 2013 Initial Release Initial Release None at time of print. eRA900TRS (PCB Rev 3.10) Doc Version 1.0 eRA900TRS (PCB Rev 3.10) Doc Version 1.0 Page 16 of 18 Page 16 of 18... -
Page 17: Document History
Document History Issue Date Revision Initial User Guide Nov 2013 eRA900TRS (PCB Rev 3.10) Doc Version 1.0 eRA900TRS (PCB Rev 3.10) Doc Version 1.0 Page 17 of 18 Page 17 of 18... -
Page 18: Copyright
Station Lane Witney Oxon OX28 4BH England Tel: +44 (0)1993 709418 Fax: +44 (0)1993 708575 Web: http://www.lprs.co.uk Email: info@lprs.co.uk eRA900TRS (PCB Rev 3.10) Doc Version 1.0 eRA900TRS (PCB Rev 3.10) Doc Version 1.0 Page 18 of 18 Page 18 of 18...
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