User's Manual

www.rovingnetworks.com
Version 3.3r 10/3/2012 2
RN-41-DS
OVERVIEW
Baud rate speeds: 1,200 bps up to 921 Kbps, non-standard baud rates can be programmed
Class 1 radio, 330’ (100 m) range, 15 dBm output transmitter, -80 dBm typical receive sensitivity
Frequency 2,402 ~ 2,480 MHz
FHSS/GFSK modulation, 79 channels at 1-MHz intervals
Secure communication, 128-bit encryption
Error correction for guaranteed packet delivery
Configuration via the local UART and over-the-air RF
Auto-discovery/pairing does not require software configuration (supports instant cable replacement)
Auto-connect master, I/O pin (DTR), and character-based trigger modes
The module’s moisture sensitivity level (MSL) is 1. Table 1 shows the module’s size and weight.
Table 1. Module Size & Weight
Parameter RN-41 RN-41-N Units
Size 13.4 x 25.8 x 2 13.4 x 19 x 2 mm
Weight 0.055 0.020 Oz.
Tables 2 through 5 provide detailed specifications for the module.
Table 2. 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%
Table 3. Electrical Characteristics
Parameter Min. Typ. Max. Units
Supply Voltage (DC) 3.0 3.3 3.6 V
RX Supply Current 35 60 mA
TX Supply Current 65 100 mA
Average Power Consumption
Standby/Idle (Default Settings) 25 mA
Connected (Normal Mode) 30 mA
Connected (Low-Power Sniff) 8 mA
Standby/Idle (Deep Sleep Enabled) 250 2.5 mA