Roving Networks RN-174, Manual

Page: 3 / 8

www.rovingnetworks.com Version 1.3r 4/9/2012 3
RN -17 4-DS
Table 3. Analog Sensor Inputs
Parameter Value
Sensor 0, 1, 2, and 3 wake-up detection threshold 500 mV
AD sensor 0 - 7 measurement range 0 - 400 mV
Precision 14 bits = 12 uV
Accuracy 5% uncalibrated, .01% calibrated
Minimum conversion time 35 uS (5 kHz over Wi-Fi )
Sensor power (pin 33) output resistance 3.3 V 10 ohms, maximim current = 50 mA
Table 4. Radio Characteristics
Parameter Specifications
Frequency 2,402 ~ 2,480 MHz
Modulation
802.11b compatibility: DSSS (CCK-11, CCK-5.5, DQPSK-2, and DBPSK-1)
802.11g: OFDM (default)
Channel intervals 5 MHz
Channels 1 - 14
Transmission rate (over the air) 1 – 11 Mbps for 802.11b / 6 – 54 Mbps for 802.11g
Receive sensitivity -83 dBm typical
Output level (Class1) 0 to +12 dBm (software configurable)
Table 5. Transmit Power
Output Power
802.11 b (2 Mbps)
Current in mA Note (1)
802.11 g (24 Mbps)
Current in mA Note (1)
0 120 135
2 130 150
4 170 190
6 175 200
8 180 210
10 185 225
12 190 240
Notes:
1. Measured at 3.3-V DC input. The power consumption is the average power, active during actual power consumption.
BOARD DESCRIPTION
Figure 1 describes the evaluation board’s connectors and interfaces. Table 6 describes the LED indicators.