NWRM1000'User'Manual''
!
The!NWRM1000!communicates!with!the!host!MCU!over!a!standard!asynchronous!serial!
interface!consisting!of!TX!and!RX!pins.!The!radio!module!has!got!embedded!AT!
commands!interpreter!to!adjust!settings!and!sends!messages!via!NWave!radio!protocol.!
Over!this!serial!interface,!the!NWRM!device!provides!a!standard!Hayes!“AT”!command!
set!used!to!control!the!module!using!ASCII!readable!commands!and!get!answers,!as!well!
as!to!send!or!receive!data.!This!interface!allows!twoKway!UART!communication!to!be!
performed!in!low!energy!modes,!using!only!a!few!μA!during!active!communication!and!
only!150!nA!when!waiting!for!incoming!data.!!
!
Below!can!be!found!serial!port!settings!and!supported!AT!commands!which!external!
processor!shall!use.!!
Serial'Port'Settings'
By!default!radio!module!settings!are!as!follows:!
• LVTTL!electrical!level!
• 9600!bps!
• 8!data!bits!
• 1!stop!bit!
• No!parity!
• No!software/hardware!control!
Bootloader'
The!NWRM1000!module!contains!an!integrated!bootloader!which!allows!reflashing!the!
module!firmware!either!over!the!RX/TX!UART!connection,!or!over!the!air!using!the!
builtKin!RF!transceiver.!
ADC'
The!NWRM1000!provides!an!interface!to!an!integrated!lowKpower!successive!
approximation!register!ADC,!capable!of!a!resolution!of!up!to!12!bits!at!up!to!1!Msps!or!6!
bits!at!up!to!1.86!Msps.!The!ADC0!and!ADC1!pins!provide!the!external!interface!to!the!
ADC.!When!not!used!for!ADC!operation,!these!2!pins!can!be!configured!to!perform!other!
functions!using!“AT”!configuration!commands.!
!
Carrying'Frequency''
Syntax:!
«AT+FREQ=[Carrying_frequency],[Bandwidth]»
Whereas!«Carrying_frequency»!is!a!value!of!carrying!frequency!in!Hz,!«Bandwidth»!is!a!
range!inside!of!which!the!module!sends!messages.!
Example:!
«AT+FREQ=868000000,25000»
Answer!in!case!of!success:!
«Ok»
Answer!in!case!of!error:!
«Error»
Sending'Messages'
Maximum!length!of!the!message!is!20!bytes.!
Syntax:!
«AT+SEND=[&hex_byte1][&hex_byte2]..[
[&hex_byteN]]»
Whereas!hex_byte[n]!represents!data!in!hex!format,!n!–!byte!number.!Before!each!byte!
it's!needed!to!put!«$»!sign.!!
Syntax:!
«AT+SEND=$23$0A$5D$5F»
In!case!of!success!the!module!answers!in!3K10!seconds:!
«Ok»
In!case!of!error:!
«Error»
Getting'Modem'Network'Address'
Syntax:!
«AT+SERIAL=?»
Example:!
«AT+SERIAL=?»
In!case!of!success!the!module!returns!number!in!hex:!
«0000F556»
In!case!of!error:!
«Error»
!
The NWRM1000 is FCC Approved as module to be installed in other devices. This device
should be used only for fixed and mobile applications and if the final product after integration is
intended for portable use, a new application and FCC is required.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference, including interference that may cause undesired
operation of the device.
The user must refer to below information to meet the FCC's RF exposure rules and regulations
when they design:
• The system antenna(s) used for this transmitter must be installed to provide a separation
distance of at least 20 cm from all the persons and must not be co-located or operating in
conjunction with any other antenna or transmitter.
Manufacturers of mobile, fixed or portable devices incorporating this module are advised to
clarify any regulatory questions and to have their complete product tested and approved for
FCC compliance.
• NWRM1000 is intended for the OEM integrator only.
• The user is required to see the Grant of Equipment document for other restrictions.
The following regulatory and safety notices must be published in documentation supplied to the
end user of the product or system incorporating an adapter in compliance with local regulations.
• Host system including NWRM1000 must be labeled with
“Contains transmitter module with FCC ID: 2ADCZNVRM1000”
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