Data Sheet

RN-42/RN-42-N Data Sheet
www.rovingnetworks.com DS-RN42-V3.2 6/21/2011
809 University Avenue • Los Gatos, CA 95032 • Tel [phone] • [e-mail]
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Overview
 Baud rate speeds: 1200bps up to 921Kbps, non-standard baud rates can be programmed.
 Class 2 radio, 60 feet (20meters) distance, 4dBm output transmitter, -80dBm typical receive sensitivity
 Frequency 2402 ~ 2480MHz,
 FHSS/GFSK modulation, 79 channels at 1MHz intervals
 Secure communications, 128 bit encryption
 Error correction for guaranteed packet delivery
 UART local and over-the-air RF configuration
 Auto-discovery/pairing requires no software configuration (instant cable replacement).
 Auto-connect master, IO pin (DTR) and character based trigger modes
Digital I/O Characteristics
2.7V ≤ VDD ≤ 3.0V
Min
Typ.
Max.
Unit
Input logic level LOW
-0.4
-
+0.8
V
Input logic level HIGH
0.7VDD
-
VDD+0.4
V
Output logc level LOW
-
-
0.2
V
Output logic level HIGH
VDD-0.2
-
-
V
All I/O’s (except reset) default to weakpull down
+0.2
+1.0
+5.0
uA
Environmental Conditions
Parameter
Value
Temperature Range (Operating)
-40
o
C ~ 85
o
C
Temperature Range (Storage)
-40
o
C ~ 85
o
C
Relative Humidity (Operating)
90%
Relative Humidity (Storage)
90%
Electrical Characteristics
Parameter
Min
Typ.
Max.
Unit
Supply Voltage (DC)
3.0
3.3
3.6
V
Average power consumption
Radio ON* (Discovery or Inquiry
window time)
40
mA
Connected Idle (No Sniff)
25
mA
Connected Idle (Sniff 100 milli secs)
12
mA
Connected with data transfer
40
45
50
mA
Deep Sleep Idle mode
26
uA
* If in SLAVE mode there are bursts of radio ON time which vary with the windows. Depending on how you set
the windows that determines your average current.