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Proprietary FHSS
All RFM frequency hopping spread spectrum products are available in the 900 MHz and 2.4 GHz license-free bands (plus the 5.8 GHz license-free band for OEM modules).
Data Sheet |
Frequency |
Transmit Power |
Channels |
Data Rate |
FHSS Modules - Configurable |
 |
The DNT900 FHSS transceiver module is a low cost, high-power solution for point-to- I/O
point and point-to-multipoint wireless systems in the 900 MHz ISM band. The RF output
power of the DNT900 can be set from 1 mW to 1 W, and the RF data rate can be set
from 38.4 to 500 kb/s. The DNT900 receiver includes a low-noise preamplifier protected
by two SAW filters, providing an excellent combination of receiver sensitivity and out-ofband
interference rejection. The DNT900 module includes analog, digital and serial I/O,
providing the flexibility and versatility to serve applications ranging from cable replacements
to sensor networks. The DNT900 transceiver module is easy to integrate and provides
robust wireless communications up to 40 miles in line-of-sight installations.
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| DNT900 |
900 MHz |
1mW to 1W |
50 |
500 kbps |
FHSS Modules |
 |
| WIT910M |
900 MHz |
1 W |
54 |
172.8 kbps |
| WIT910M2 |
900 MHz |
1 W |
54 |
172.8 kbps |
| WIT2450M2 |
2.4 GHz |
40/100/250mW |
95 |
460.8 kbps |
| WIT2410M4G |
2.4 GHz |
10/100mW |
75 |
460.8 kbps |
| WIT2410S4G |
2.4 GHz |
10/100mW |
75 |
460.8 kbps |
| WIT2411D |
2.4 GHz |
10/100mW |
43 |
1.23 Mbps |
FHSS Development Kits |
| DNT900DK |
DNT900 Developer Kit containing
Two DNT900P radios installed in DNT900 interface boards,
Two 2 dBi dipole antennas with two U.FL coaxial jumper cables,
Two 9 V wall-plug power suppliers, 120/240 VAC, plus two 9 V batteries,
Two RJ-45/DB-9F cable assemblies, one RJ-11/DB-9F cable assembly, two A/B USB cables,
One DNT900DK documentation and software CD
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| WIT910DK |
WIT910 Developer Kit containing 2 WIT910E standalone units with flow control indicators, RS-232 interface, battery pack, power supply, dipole antenna, 2 WIT910M modules, RF cables, antennas and programming software |
| WIT910SDK |
WIT910 Developer Kit containing 2 WIT910E standalone units with flow control indicators, RS-232 interface, battery, dipole antenna, 1 SNAP910 10/100BaseT access point, 2 WIT910 modules, RF cables, antennas and programming software |
| WIT2410DK |
WIT2410 Developer Kit containing 2 WIT2410E standalone units with flow control indicators, RS-232 interface, battery pack, power supply, dipole antenna, 2 WIT2410M modules, RF cables, antennas and programming software |
| WIT2410SDK |
WIT2410 Developer Kit containing 2 WIT2410E standalone units with flow control indicators, RS-232 interface, battery, dipole antenna, 1 SNAP2410 10BaseT access point, 2 WIT2410 modules, RF cable, antennas and programming software |
| WIT2411DK |
WIT2411 Developer Kit containing 2 WIT2411E standalone units with flow control indicators, RS-232 and USB interfaces, battery, dipole antenna, 2 WIT2411 modules, and programming software |
| WIT2411SDK |
WIT2411 Developer Kit containing 2 WIT2411E standalone units with flow control indicators, RS-232 and USB interfaces, battery, dipole antenna, 1 SNAP2411 10/100BaseT access point, 2 WIT2411 modules, RF cables and dipole antennas and programming software |
| WIT2450DK |
WIT2450 Developer Kit containing 2 HN-550 standalone units with flow control indicators, RS-232 interface, battery pack, power supply, dipole antenna, 2 WIT2450 modules, RF cables, antennas and programming software |
Data Sheet |
Frequency |
Transmit Power |
Channels |
Data Rate |
900MHz 172.8kbps Long Range HN-91 Series Standalone Wireless Modems |
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All HN-91 Series products are based on the WIT910 and can be used as either base stations or remote stations for WIT910-based devices. All features and modes of the WIT910 are supported in the HN-91 series products. |
| HN-291 |
900 MHz |
1 W |
54 |
172.8 kbps |
| HN-291X |
900 MHz |
1 W |
54 |
172.8 kbps |
| HN-294 |
900 MHz |
1 W |
54 |
172.8 kbps |
| HN-294D |
900 MHz |
1 W |
54 |
172.8 kbps |
| HN-294X |
900 MHz |
1 W |
54 |
172.8 kbps |
| HN-294DX |
900 MHz |
1 W |
54 |
172.8 kbps |
| HN-591 |
900 MHz |
1 W |
54 |
172.8 kbps |
2.4GHz 460.8kbps Low Cost HN-50 Series Standalone Wireless Modems |
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All HN-50 Series products are based on the WIT2450 and can be used as either base stations or remote stations for WIT2450-based devices. All features and modes of the WIT2450 are supported in the HN-50 series products. |
| HN-250 |
2.4 GHz |
40mW/100mW/250mW |
93 |
460.8 kbps |
| HN-250U |
2.4 GHz |
40mW/100mW/250mW |
93 |
460.8 kbps |
| HN-550 |
2.4 GHz |
40mW/100mW/250mW |
93 |
460.8 kbps |
2.4GHz 460.8kbps HN-10 Series Standalone Wireless Modems |
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All HN-10 Series products except the HN-110 are based on the WIT2410 and can be used as either base stations or remote stations for WIT2410-based devices. All features and modes of the WIT2410 are supported in the HN products. The HN-210D/X products also support Modbus operation. |
| HN-210 |
2.4 GHz |
100mW |
75 |
460.8 kbps |
| HN-210D |
2.4 GHz |
100mW |
75 |
460.8 kbps |
| HN-210X |
2.4 GHz |
100mW |
75 |
460.8 kbps |
| HN-210DX |
2.4 GHz |
100mW |
75 |
460.8 kbps |
| HN-211R |
2.4 GHz |
100mW |
64 |
1.23 Mbps |
| HN-211RX |
2.4 GHz |
100mW |
64 |
1.23 Mbps |
| HN-211U |
2.4 GHz |
100mW |
64 |
1.23 Mbps |
| HN-211UX |
2.4 GHz |
100mW |
64 |
1.23 Mbps |
| HN-214 |
2.4 GHz |
100mW |
75 |
460.8 kbps |
| HN-214D |
2.4 GHz |
100mW |
75 |
460.8 kbps |
| HN-214X |
2.4 GHz |
100mW |
75 |
460.8 kbps |
| HN-214DX |
2.4 GHz |
100mW |
75 |
460.8 kbps |
| HN-510 |
2.4 GHz |
100mW |
75 |
460.8 kbps |
| HN-1010 |
2.4 GHz |
100mW |
75 |
460.8 kbps |
| HN-1510 |
2.4 GHz |
100mW |
75 |
460.8 kbps |
| HN-2010 |
2.4 GHz |
100mW |
75 |
460.8 kbps |
| HN-3010 |
2.4 GHz |
100mW |
75 |
460.8 kbps |
I/O modems and relays for analog/relay input/output |
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RFM’s HN I/O (HNIO-series) modems feature bidirectional transmission and the company’s patented FHSS technology. The product line includes the HNIO-091R and HNIO-241R relay modems, which operate at 900 MHz and 2.4 GHz respectively, and two analog/digital modems, the 900 MHz HNIO-091A and 2.4 GHz HNIO-241A. The relay modems provide four 250VAC 5A relays, and the analog/digital modems provide two 4-20mA receivers and transmitters along with two digital I/O channels.
Unlike wireless data transceivers, which transmit serial data streams, wireless I/O modems transmit voltage or digital signals. Analog/digital models are typically used to relay key levels of sensor data, while relay units control the state of such equipment as light fixtures, alarms, and locks. Line of sight range extends beyond 20 miles for the 900 MHz I/O modems and up to seven miles for the 2.4 GHz units, depending upon the antenna used. The modems can operate over an input voltage range of +9Vdc to +30Vdc, making them suitable for battery and solar power sources. Class I Div 2 certification allows the modems to be deployed in hazardous locations. All are DIN-rail mountable.
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| HNIO-091A |
900 MHz |
1 W |
54 |
172.8 kbps |
| HNIO-091AR |
900 MHz |
1 W |
55 |
172.8 kbps |
| HNIO-091AX |
900 MHz |
1 W |
56 |
172.8 kbps |
| HNIO-091R |
900 MHz |
1 W |
57 |
172.8 kbps |
| HNIO-091RR |
900 MHz |
1 W |
58 |
172.8 kbps |
| HNIO-091RX |
900 MHz |
1 W |
59 |
172.8 kbps |
| HNIO-241A |
2.4 GHz |
100mW |
75 |
460.8 kbps |
| HNIO-241AR |
2.4 GHz |
100mW |
76 |
460.8 kbps |
| HNIO-241AX |
2.4 GHz |
100mW |
77 |
460.8 kbps |
| HNIO-241R |
2.4 GHz |
100mW |
78 |
460.8 kbps |
| HNIO-241RR |
2.4 GHz |
100mW |
79 |
460.8 kbps |
| HNIO-241RX |
2.4 GHz |
100mW |
80 |
460.8 kbps |
Data Sheet |
Frequency |
Transmit Power |
Channels |
Data Rate |
SEM: Spread Spectrum Wireless Ethernet Bridge |
| SEM910 |
900 MHz |
1 W |
54 |
172.8 kbps |
| SEM910D |
901 MHz |
1 W |
54 |
172.8 kbps |
| SEM910X |
902 MHz |
1 W |
54 |
172.8 kbps |
| SEM910DX |
903 MHz |
1 W |
54 |
172.8 kbps |
| SEM910-HL |
904 MHz |
1 W |
54 |
172.8 kbps |
| SEM2410 |
2.4 GHz |
100mW |
75 |
460.8 kbps |
| SEM2410D DIN-rail Mount |
2.4 GHz |
100mW |
75 |
460.8 kbps |
| SEM2410DX |
2.4 GHz |
100mW |
75 |
460.8 kbps |
| SEM2410X Remote Radio |
2.4 GHz |
100mW |
75 |
460.8 kbps |
| SEM2410HL |
2.4 GHz |
100mW |
75 |
460.8 kbps |
| SEM2411 |
2.4 GHz |
100mW |
43 |
1.23 Mbps |
| SEM2411 DIN-rail Mount |
2.4 GHz |
100mW |
43 |
1.23 Mbps |
| SEM2411DX |
2.4 GHz |
101mW |
43 |
1.23 Mbps |
| SEM2411X Remote Radio |
2.4 GHz |
100mW |
43 |
1.23 Mbps |
| SEM2411HL |
2.4 GHz |
100mW |
43 |
1.23 Mbps |
| SEM2411LC Remote Bridge |
2.4 GHz |
100mW |
43 |
1.23 Mbps |
SNAP Wireless Access Points for Ethernet Network |
| SNAP910 |
900 MHz |
1 W |
54 |
172 kbps |
| SNAP910X |
900 MHz |
1 W |
54 |
172 kbps |
| SNAP910D |
900 MHz |
1 W |
54 |
172 kbps |
| SNAP910DX |
900 MHz |
1 W |
54 |
172 kbps |
| SNAP2410 |
2.4 GHz |
100mW |
75 |
460 kbps |
| SNAP2410X |
2.4 GHz |
100mW |
75 |
460 kbps |
| SNAP2410D |
2.4 GHz |
100mW |
75 |
460 kbps |
| SNAP2410DX |
2.4 GHz |
100mW |
75 |
460 kbps |
| SNAP2411 |
2.4 GHz |
100mW |
43 |
1.23 Mbps |
| SNAP2411X |
2.4 GHz |
100mW |
43 |
1.23 Mbps |
| SNAP2411D |
2.4 GHz |
100mW |
43 |
1.23 Mbps |
| SNAP2411DX |
2.4 GHz |
100mW |
43 |
1.23 Mbps |
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