RAE Systems RM900-01 RAE Mesh module User Manual uesr manual
RAE Systems, Inc RAE Mesh module uesr manual
uesr manual
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RAEMesh Sub 1G wireless
modem RM900
Document Information
Info Content
Author(s) Su Feng
Revision 1.0
Document Status First release
Date Apr 5, 2016
Distribution Internal Use Only
Approvals
Name Date Signature
James Liu
Zhao Pengjun
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Release Histroy
Rev. Date Author Descripition
1.0 Apr. 5 2016 Su Feng Initial draft
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Contents
1. Section1: ......................................................................................................................................... 4
1.1 Summary: .......................................................................................................................... 4
1.2 Key Features: .................................................................................................................... 4
2. Section2: ......................................................................................................................................... 5
2.1 Technical Description: ..................................................................................................... 5
3. Section3: ......................................................................................................................................... 6
3.1 Modem Characteristics: ................................................................................................... 6
3.2 PIN Description: ................................................................................................................ 7
3.3 Physical Characteristics:.................................................................................................. 8
4. Section4: ......................................................................................................................................... 9
4.1 Typical Application diagram: .......................................................................................... 9
4.2 Mounting Information: .................................................................................................... 9
4.3 Antenna Reference: ........................................................................................................ 10
5. Section5: ....................................................................................................................................... 11
5.1 Certification Information: ............................................................................................. 11
5.2 Modem Information: ...................................................................................................... 11
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1. Section1:
1.1 Summary:
RM900 is a high-sensitivity Sub 1GHz IEEE 802.15.4 module, which offers a
complete microcontroller/transceiver solution containing all hardware features
necessary for development of wireless application. It will replace old Atmel
RM900, which is obsolete now.
1.2 Key Features:
• Frequency Band 779 to 787MHz, 863 to 870MHz, 902 to
928MHz
• Power 1.8 ~ 3.6V, typical 3.3V
• Interfaces 48-pin
• RF 20kbps BPSK/OQPSK in 868MHz, 40kbps
BPSK/OQPSK in 915MHz
• Dimensions 18.8 x 13.5 x 3.0 mm
• Antenna Interface 100-Ohm for balanced output
• Operating Temperature Range -40ºC to +60ºC
• Indicators Two LEDs, one red, one yellow (DS1, DS2)
• Current Consumption Sleep current < 40uA
50mA TX @ 10dBm 8MHz Crystal @ 25℃
15mA RX @ 8MHz Crystal
• RF receive sensitivity -102dBm at 1% packet error rate for a payload
of 20 bytes.
• FCC and CE compliant
• RoHS compliant
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2. Section2:
2.1 Technical Description:
RM900 can work at 868MHz, 1 channel, channel spacing 2MHz. It can also work
at 902 ~ 924MHz, 10 channels, channel spacing 2MHz. Users can change its TX
power, working channel through com tool. RM900 is a high sensitivity IEEE
802.15.4/ZigBee module. A combination of Atmel’s MCU SMD21 and RF
transceiver AT86RF212B, the RM900 offers superior radio performance.
The module contains Atmel’s SAMD21 Cotex-M0 Microcontroller, AT86RF212B
RF transceiver. The module can be easily mounted on a simple 2-layer PCB with
a minimum of required external connection. Neither via-holes nor wires are
allowed on the PCB upper layer in area occupied by the module. As a critical
requirement, RF_GND pins should be grounded via several holes to be located
right next to the pins thus minimizing inductance and preventing both mismatch
and losses.
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3. Section3:
3.1 Modem Characteristics:
3.1.1 Electric Characteristics
Test conditions (unless otherwise stated), Vcc=3.3V, Tamb=25°C
Parameters Range Unit
Condition
VCC 1.8 ~ 3.6
V
Current Consumption: RX mode 15 mA @8MHz
Current Consumption: TX mode 50 mA @10dBm 8MHz
Current Consumption: Sleep mode 30 uA
3.1.2 RF Characteristics:
Parameters Range Unit Condition
Frequency Band 868/902~924 MHz
Number of Channel 1/10
Channel Spacing 2 MHz
Transmitter Output Power
+10
+6
+0
dBm
High
Medium
Low
Receiver Sensitivity -102 dBm PER=1%, PSDU=20 byte
On-Air Data Rate 20/40 kbps O-QPSK
TX output/RX input
Nominal Impedance 100 Ω Balanced output
PCB antenna 0 dBi Gain
Omni antenna 3 dBi Gain
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3.1.3 Module Interfaces characteristics
Parameters Range Unit Condition
UART Maximum Baud Rate 38.4 kbps
GPIO Output Voltage
(VOH/VOL) 0.7VCC/ 0.2VCC V -10/ 5mA
VCC = 3.3V
GPIO Input Voltage
(VIH/VIL) 0.7VCC/0.2VCC V
Real Time Oscillator
Frequency 32.768 kHz
3.2 PIN Description:
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PIN description:
PIN
Pin Name
Description
I/O
4 GPIO_LED_R General Purpose Digital Output O
6 GPIO_LED_G General Purpose Digital Output O
8 RESET Reset Input (active low)
9,22,23 DGND Digital Ground
13 UART_RXD UART receive input I
14 UART_TXD UART transmit output O
24,25 D_VCC Digital Supply Voltage (Vcc)
26 SWDIO JTAG Serial Wire Debug
Interface I/O
29 SWCLK JTAG Serial Wire Debug
Interface I/O
34 A_VREF Input/Output reference voltage
for ADC I/O
35 A_GND Analog ground
40 CTX RF RX/TX Indication to control
an external RF front-end O
41 CRX RF RX/TX Indication to control
an external RF front-end O
43 WakeUp Wake Up Input(active low) I
44,46,48 RF_GND RF Analog Ground
45 RFP_IO Differential RF Input/Output I/O
47 RFN_IO Differential RF Input/Output I/O
Others
pins Reserved
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3.3 Physical Characteristics
Parameter Range Unit Condition
Size 18.8 x 13.5 x 3
mm
Operation Temperature Range -40 to +60
Operation Relative Humidity
Range No more than 80%
Mechanical drawing, unit: mm
Top View Side View
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4. Section4
4.1 Typical Application diagram
PIN PIN Name Definition I/O
8 RESET Reset pin, low active Input
13 UART_RXD
UART TXD pin Output
14 UART_TXD
UART RXD pin Input
43 WakeUp Low level wake-up
High level to sleep Input
24/25 VCC
9/22/23
GND
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4.2 Mounting Information
The below diagram shows the recommended PCB layout for RM900 module.
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5. Section5
5.1 Certification information:
FCC FCC Part15C FCCID: SU3RM900-01
R&TTE R&TTE , CE-EMC Refer INTERTEK report
IC IC ID:20969-RM900
Intrinsic
Safety
Design
No on-board voltage enhancement circuits
Value of the total capacitance Ci≤10uF
Value of the total inductance Li≤5uH
Caution:
This device complies with Part 15 of the FCC Rules / Industry Canada licence-exempt RSS
standard(s). Operation is subject to the following two conditions: (1) this device may not cause
harmful interference, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux
appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions
suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de
l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est
susceptible d'en compromettre le fonctionnement.
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Changes or modifications not expressly approved by the party responsible for compliance could
void the user's authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates
uses and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications. However, there is
no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
—Consult the dealer or an experienced radio/TV technician for help.
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of
a type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To
reduce potential radio interference to other users, the antenna type and its gain should be so
chosen that the equivalent isotropically radiated power
(e.i.r.p.) is not more than that necessary for successful communication.
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut
fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé
pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de
brouillage radioélectrique à l'intention des autres utilisateurs, il faut choisir le type
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d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente
(p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication
satisfaisante.
MPE Reminding
To satisfy FCC / IC RF exposure requirements, a separation distance of 20 cm or more should be
maintained between the antenna of this device and persons during device operation.
To ensure compliance, operations at closer than this distance is not recommended.
Les antennes installées doivent être situées de facon à ce que la population ne puisse
y être exposée à une distance de moin de 20 cm. Installer les antennes de facon à ce
que le personnel ne puisse approcher à 20 cm ou moins de la position centrale de l’
antenne.
La FCC des éltats-unis stipule que cet appareil doit être en tout temps éloigné d’au
moins 20 cm des personnes pendant son functionnement.
Information for the OEM Integrators
This device is intended for OEM integrators only. Please see the full grant of equipment
document for restrictions.
Ce dispositif est destiné aux équipementiers et intégrateurs. S'il vous plaît voir la pleine
subvention du document de l'équipement pour les restrictions.
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Label Information to the End User by the OEM or Integrators
If the FCC ID of this module is not visible when it is installed inside another device, then the
outside of the device into which the module is installed must be label with
“Contains FCC ID: SU3RM900-01 and Contains IC: 20969-RM900”.
Si l'ID FCC de ce module est pas visible quand il est installé dans un autre appareil, puis
l'extérieur du dispositif dans lequel le module est installé doit être étiquette avec
"Contient FCC ID: SU3RM900-01 et Contient IC: 20969-RM900".