WIT910M RFM, WIT910M Datasheet
WIT910M
Manufacturer Part Number
WIT910M
Description
OEM 900 MHZ FHSS MODULE, 178.2 K
Manufacturer
RFM
Series
WITr
Datasheet
1.WIT910M.pdf
(2 pages)
Specifications of WIT910M
Frequency
900MHz
Data Rate - Maximum
86.4kbps
Modulation Or Protocol
FHSS, TDMA
Applications
Cellular, TDMA
Sensitivity
-103dBm
Voltage - Supply
3.3 V ~ 10 V
Current - Receiving
40mA
Current - Transmitting
100mA
Data Interface
Connector, 2 x 8 Header
Operating Temperature
-40°C ~ 70°C
Package / Case
Module
Lead Free Status / RoHS Status
Request inventory verification / Request inventory verification
Power - Output
-
Memory Size
-
Antenna Connector
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
583-1107
WIT910M transceiver modules are designed to transmit serial data using highly robust 900 MHz
frequency hopping spread spectrum (FHSS) technology. WIT910M modules employ RFM’s
beacon-synchronized TDMA at an RF data rate of 172.8 kb/s to achieve low transmission latency.
WIT910M transceivers are suitable for both point-to-point and point-to-multipoint networks. FHSS
technology provides strong immunity to both interference and multipath fading. The small size, light
weight and low power consumption of these transceiver modules make them suitable for a wide
variety of applications. WIT910M modules are certified for unlicensed operation in the USA,
Canada, Australia, Israel and New Zeland.
Features:
• Fast, low latency wireless serial data
• Robust 900 MHz frequency hopping
• More than 20 mile outdoor range with
• 3.3 volt operation, low power
• Small size, light weight
• Certified for unlicensed operation in the
General Specifications
www.RFM.com E-mail: info@rfm.com
©2008 by RF Monolithics, Inc.
RF Frequency
Radio Certifications
Operating Range
Network Topologies
Network Protocol
Error Detection and Correction
Serial Data Interface
Serial Data Rate
Channel Data Rate
RF Bandwidth
Transmit Power Output
Receiver Sensitivity
Supply voltage
Current Consumption
Size
Weight
Operating Temperature
Humidity
transmission
spread spectrum technology
omni-directional antennas
consumption
USA and Canada
Number of Frequency Channels
29 dBm Transmit Power,
57.6 kb/s Serial Data Rate
902 to 927 MHz
FCC Part 15, Canadian RSS-210
Indoor - 1000 ft, Outdoor - more than 20 miles with omni-directional antenna
Point-to-point and point-to-multipoint (star)
Dynamically assigned TDMA
24-bit CRC and ARQ
Asynchronous (UART) CMOS signals, 3.3 V, 5 V tolerant
up to 115.2 kb/s, software selectable
172.8 kb/s
54
460 kHz
10, 20, 27 or 29 dBm, software selectable
-103 dBm for 10-5 BER
3.3 to 10 V for up to 27 dBm transmit power, 5 to 10 V for 29 dBm transmit power
Remote
Operation: Standby
80.2 x 46.5 x 8.6 mm
35 g
-40 C to 70 C
20% to 90% (non-condensing)
Benefits:
• Suitable for point-to-point and point-to-
• Supports large number of nodes
• High immunity to interference and
• Supports long range applications
• Easy to integrate
• Ideal for battery powered devices
• RoHS Compliant
multipoint networks
multipath fading
Sleep
Receive
Transmit
250 µA
43 mA
100 mA
800 mA
Base Station
Operation:
Receive
Transmit
Shown with shield removed
125 mA
800 mA
Transceiver
WIT910M
900 MHz
DEVELOPER KIT
(Info:
Module
FHSS
click here
WIT910 - 6/5/08
)
Page 1 of 2
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WIT910M Summary of contents
Page 1
... Certified for unlicensed operation in the USA and Canada WIT910M transceiver modules are designed to transmit serial data using highly robust 900 MHz frequency hopping spread spectrum (FHSS) technology. WIT910M modules employ RFM’s beacon-synchronized TDMA data rate of 172.8 kb/s to achieve low transmission latency. ...
Page 2
... Long Operating Range With 29 dBm of transmit power and a receive sensitivity of -103 dBm, the WIT910M can achieve ranges in excess of 20 miles using 3 dBi omni-directional antennas. When long range isn’t needed, the WIT910M, measuring just 80.2 x 46.5 x 8.6 mm and weighing just 35 grams powerful performer at low power, consuming only 100 ...