Appendix a specifications, H-4271 – Xylem H-4271 User Manual
Page 21

Appendix A
Specifications
Radio
Frequency Range:
902 to 928 Mhz
Spread Spectrum:
Frequency Hopping
Modulation:
FSK
Channel Capacity
10 hop sequences share 50
frequencies
Transmission Power:
1mW - 1Watt
Receive Sensitivity:
-110 dBm
Indoor/Urban Range
Up to 3000' (900m)
Outdoor
RF line-of-sight
Up to 14 miles w/ dipole
antenna
Up to 40 miles w/ high-gain
antenna
Antenna Impedance
50 ohms
Certifications
FCC Part 15.247
Serial Port
Type:
RS-232 (DCE)
Data Rate:
9600 bps
Power Requirements
Voltage Input:
9.0 to 18.0 Volts DC
Power Control:
* Always on
* Sleep & Sniff
* Host controlled via DSR
Current (@12.0V, jumper = auto):
Standby:
260uA
Receive:
65 mA
Transmit:
450 mA
Current (@12.0V, jumper = always on):
Receive:
60 mA
Transmit:
450 mA
Environmental
Operating Temperature:
-40 to 85
EC
Storage Temperature:
-40 to 85
EC
Humidity:
Non condensing
Mechanical
Enclosure:
Anodized Aluminum
Size:
2.75 x 1.125 x 3.60 in.
Connectors
Antenna:
RPSMA (reverse SMA)
Data:
DB9S
Power:
Phoenix 1803277 (header)
Phoenix 1803578 (plug)
(2-position 3.81mm)
The RF module has the following FCC approval:
FCC ID: OUR-9XTEND
IC#: 4214A-9XTEND
Warranty
The W
ATER
LOG
®
H-4271 is warranted against defects
in materials and workmanship for one year from date
of shipment.
H-4271
Specifications A-1