User's Manual

1
®
CM2202N
Rating Value Units
All In put/Out put Pins -0.3 to +4.0 V
Non-Operating Am bi ent Tem per a ture Range -40 to +85
o
C
Ab so lute Max i mum Rat ings
Cus tom
Elec tri cal Char ac ter is tics
Characteristic Sym Notes Minimum Typical Maximum Units
Op er ating Fre quency f
O
916.30 916.70 MHz
Mod u la tion Type OOK
En coded Data RF Trans mis sion Rate 4.8 kb/s
Peak Radiated Field Strength (FCC OP-1) E
O
20,000 µV/m
Bat tery BR1225
Dig i tal In put Logic High (Sen sor) .85 VDD VDD V
Dig i tal In put Logic Low (Sen sor) 0 .15 VDD V
Op er ating Am bi ent Tem per a ture Range T
A
-20 +70
o
C
916.50 MHz
Transmitter
Module
The CM2202N is a 916.5 MHz trans mit ter mod ule de signed to mon i tor in dus trial alarm
sen sors. Com mu ni ca tion range in an “open field” en vi ron ment is typ i cally 100 me ters.
The CM2202N com bines RFM’s very low-cur rent SAW res o na tor sta bi lized trans mit ter
tech nol ogy with low-power microcontroller tech nol ogy to achieve long bat tery life. The
mod ule is com pat i ble with RFM’s miniMESH
TM
net work pro to col, which pro vides add-on
“plug-and-play” multicast mesh net work rout ing. The CM2202N is cer ti fied for op er a tion
un der FCC 15.249 reg u la tions.
•
In te grated Sen sor In ter face
•
Very Low Cur rent Op er a tion from 2 BR1225 Bat teries
• Com pat i ble with RFM miniMESH
TM
Net work Pro to col
•
Ready-to-Use Mod ule