HN-250U RFM, HN-250U Datasheet
HN-250U
Manufacturer Part Number
HN-250U
Description
RF Modules & Development Tools HOPNET 2.4 GHz FHSS Modem 460.8 kb/s
Manufacturer
RFM
Datasheet
1.HN-250U.pdf
(3 pages)
Specifications of HN-250U
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HN-250U
Manufacturer:
RFM
Quantity:
12 800
Company:
Part Number:
HN-250U-100
Manufacturer:
RFM
Quantity:
12 800
Company:
Part Number:
HN-250UX
Manufacturer:
RFM
Quantity:
12 800
Features:
• 2.4 GHz Frequency Hopping Spread
• 460 kb/s over the air data rate
• 115 kb/s RS232 data rate
• 230 kb/s USB data rate
• 32 Hopping Patterns
• FCC Certified and CE marked
• Integral 6 dB patch antenna or
• RS-232 asynchronous or USB serial
The HopNet 250 family of modems are versatile, low cost, multi-purpose 2.4 GHz frequency-hopping
wireless data modems. Built around the RFM WIT2450 radio, the HN-250, HN-250U, HN-254 and HN254U
have integral 6 dB patch antennas creating "single piece" modems. Also built around the WIT2450, the
HN250X and HN250UX are equipped with RF connectors instead of patch antennas to allow the use of high
gain and/or remote external antennas. Communication with the HN-250, HN250X and HN254 is through a
standard RS-232 interface at up to 115.2 kb/s. Communication with the HN-250U, HN250UX and HN-254U
is through a 230 kb/s USB interface. All HN series modems communicate over the air at 460 kb/s in both
point-to-point and point-to-multipoint networks.
Specifications
www.RFM.com E-mail: info@rfm.com
©2009 by RF Monolithics, Inc.
USB Data Rate
Frequency Band
Licensing
Number of Channels
Hopping Patterns
RS232 Data Rates
RF Data Rate
Line-of-Site Range
RF Bandwidth
Modulation Type
Output Impedance
Network Protocol
Transmit Power
Receive Sensitivity
Power Requirements
Spectrum Technology
external antenna options
interface
-99 dBm for 10-5 BER
HN-250/HN-250U
No license required under FCC Part 15, Canadian IC RSS-210 or ETSI 300.328
User configurable, 32 patterns (networks) available
Benefits:
• Exceptional immunity to multipath
• Supports high speed applications
• Co-location of multiple networks without
• License-free application worldwide
• Cost-effective, simple installation
• Connects to PC Serial or USB ports
fading and jamming
needing long range
interference
Dynamically Assigned TDMA with ARQ
9 Vdc 160 mA typical, 750 mA peak
Up to 115.2 kb/s Asynchronous
HN-250X/HN-250UX
+10, +18 dBm or +24 dBm
-93 dBm for 10-5 BER
2401 - 2475 MHz
> 5 Miles
230 kb/s
460 kb/s
50 ohms
750 kHz
GFSK
86
-99 dBm for 10-5 BER
HN-254/HN-254U
Wireless Data
DEVELOPER KIT
(Info:
Frequency
HN-250U
Hopping
Modems
HN-250
2.4 GHz
click here
HN-250
)
HN-250 - 9/16/09
Page 1 of 3
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HN-250U Summary of contents
Page 1
... The HopNet 250 family of modems are versatile, low cost, multi-purpose 2.4 GHz frequency-hopping wireless data modems. Built around the RFM WIT2450 radio, the HN-250, HN-250U, HN-254 and HN254U have integral 6 dB patch antennas creating "single piece" modems. Also built around the WIT2450, the HN250X and HN250UX are equipped with RF connectors instead of patch antennas to allow the use of high gain and/or remote external antennas ...
Page 2
... Data Connector Power Connector Environmental Specifications Temperature Range -30 °C to +70 °C (radio enclosure) Humidity 95% at +40 °C, Non-condensing www.RFM.com E-mail: info@rfm.com ©2009 by RF Monolithics, Inc. HN-250X/HN-250UX n/a Polycarbonate, NEMA 4X 130 (excluding flange) 235 g n/a Reverse TNC Male 9-Pin D or USB B 2-Pin DIN ...
Page 3
... The integral 6 dB patch antenna provides a line-of-site range of more than five miles, making the HN-250 and HN-250U ideal for a variety of "last mile" applications. For applications requiring more antenna gain, the HN-250X and HN250UX replace the built-in patch antennas with external TNC connectors. ...