MRX-005S
UHF AM RECEIVER MODULE
The MRX-005S is an on-off keyed (OOK) high perfor-
mance, ultra compact receiver operating at the 902-928
MHz band. This integrated modularized receiver is pri-
marily intended for use in part 15.231 and 15.249 sys-
tems. Because all tuning is automatic and the module func-
tions are completely integrated, this module is both a
highly reliable and low cost solution for high volume wire-
less applications. An external antenna is the only compo-
nent required, therefore the receiver can be easily inte-
grated into other applications. The MRX-005S contains
two features that are not found in the MRX-005. The MRX-005S contains a SAW filter and/or a low
noise amplifier, which reduce noise and increase sensitivity and selectivity.
The MRX-005S offers a transit standby mode and a shutdown mode. These features make the
MRX-005S perfect for power applications in both one-way and bi-directional wireless links. Post-
detection data filtering is internal to the receiver, and normal filter bandwidth is fixed at 300kHz. The
MRX-005S is a well-designed receiver suitable for a variety of RF applications.
Key Features
Low cost
Wide supply voltage range
Commonly employed RKE frequencies
Wide operating temperature range
Easily integrated
Low power consumption
Compact surface-mount packages
5V operation
Data rates up to 115kbps
1.2 MHz receive bandwidth
Small size
Power down pin
No production tuning
Y
R
A
IN
IM
L
Typical Applications
E
R
P
Remote controls
Garage openers / Gate controls
Keyless entry
Lighting control
Continuous / Periodic data transfer
Domestic / Commercial security
Fire / Security alarms
General wire elimination
Contact Information
Radios, Inc.
1408 Center Avenue
Oostburg, WI 53070
Phone: 920-564-6622
Fax: 920-564-6630
Email: sales@radiosinc.com
-Page 2-
MRX-005S
UHF AM RECEIVER MODULE
Electrical Limits
Sym
VCC
V
EN
V
EN
TA
Parameters
Absolute Maximum Ratings
Supply Voltage
Storage Temperature Range
Enable Input Voltage
Operating Ratings
Enable Input Voltage
Ambient operating temperature
Min
5
0
0
0
0
Typ
Max
16
70
16
VCC
70
Unit Notes
V
°C
V
V
°C
Electrical Characteristics
This device is ESD sensitive. Do not operate or store near strong electrostatic fields. Use appropriate ESD
precautions. All voltages are with respect to Ground.
Parameters
Power Supply
Operating Current
Quiescent Current
Operating Voltage
Test Conditions
REG-EN </= 0.4V (shutdown)
Min
Typ Max
31
0.01
Unit
mA
µA
V
RF/IF Section
Receiver Sensitivity
IF Bandwidth
Receive Data Rate
RF Input Range
Maximum Receiver Input
Spurious Reverse Isolation
AGC Attack / Decay ratio
Oscillator Turn-on Time
Digital Section
Output Current
Output High Voltage
Output Low Voltage
Output Tr, Tf
Regulator Enable Input
Input Low Voltage
Input High Voltage
Enable Input Current
Y
R
A
IN
IM
L
E
R
P
Note 1, 3
Note 3
Rs = 50Ω
ANT pin, Rs = 50Ω Note 2
T(Attack) / T(Decay)
DO pin,
DO pin,
DO pin,
DO pin,
Push-Pull
Iout = 1µA
Iout = 1µA
Cload=15pF
5
16
-81
0.1
800
-84
1.20
115
1000
-10
30
0.1
TBD
dBm
MHz
kbps
MHz
dBm
µVrms
s
90
0.9VCC
µA
V
0.1VCC
V
TBD
µsec
Regulator OFF
Regulator ON
V
EN
= 0.6V; Regulator OFF
0.6
2.0
0.01
V
V
µA
-Page 5-
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