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Smart Modem Module for Robust Wireless Data Transmission Over ISM Bands

This License-Free 915MHz Smart Modem for flexible ISM-band transceivers has a myriad of options and features.
These RV-M50 Daisy Radio long-range LoRa radio modems can wirelessly daisy-chain devices into your network.

  1. Ultra-Long Range LoRa technology (many miles) and very small low-cost.
  2. Reliable and Secure Data with Forward Error Correction (FEC), bit chipping, ID codes, and AES data encryption.
  3. Fast data rates.  Up to 21,870 bps.
  4. Not just several hundred meters, but Many Miles of communications. 100sq miles in open area utilizing LoRa technology.
  5. It is a Versatile Transceiver thanks to Dozens of Features and configuration settings.
  6. These radios have proven performance, reliability, and quality that our customers expect and have come to know in all of our products.
  7. Miniature size.  This little Daisy Radio is small, and Raveon can supply a SMT module version if you need it.

Various ISM band models have been developed to address different applications. A summary the models are given below. Brochures and manuals are available for download that include detailed specifications. Please give us a call to discuss any of these radios.

The ISM band (Industrial, Scientific and Medical band) is part of the radio spectrum that can be used for any purpose without an FCC license.  In the U.S.A., it is the 902-928 MHz, 2.4 GHz and 5.7-5.8 GHz bands were initially used for machines that emitted radio frequencies, such as RF welders, industrial heaters and microwave ovens, but not for radio communications.

RV-M50 ISM band data radios modules utilize 902-928 MHz for ultra-long range data communications. 900MHz is much longer range band than 2.4GHz and above.

This miniature, low-cost, long-range OEM module is the perfect solution to embed within your product for long-range reliable secure wireless communication. Inside is a 32 bit ARM processor with Raveon’s data radio technology incorporated into this product. It has many high-tech data radio features and performance advantages. Raveon was on the LoRa committee, and Raveon designed this in California and is built here in California by Raveon.

The RV-M50 radio is FCC certified using Direct Sequence Spread Spectrum (DSSS) and Frequency Hopping Spread Spectrum (FHSS).  We recommend using the DSSS mode, which is the default mode, because it saves power over FHSS mode.  And radios that turnon with DSSS power up fast and work all together. FHSS (Frequency Hopping Spread Spectrum) radios need to have a “Master Controller” radio and all radios synchronize with that Master unit. DSSS is more reliable in most ways, but if you want FHSS, you can turn FHSS on in this M50 radio.

Features

Ultra Long range: up to 110 km (66 mi.) in open area. This radio utilizes LoRa technology from Semtech in a robust a high reliable way.
Low power consumption: 2W in transmit and 0.25W while receiving.
Direct Sequence Spread Spectrum.  FHSS is also available.
Myriad of IO options: The Tech Series Enclosure has many IO for this to use.
Selectable OTA speed: Set the Over The Air (OTA) rate the way you need it to work.
FCC ISM band certified: Direct Sequence Spread Spectrum certified.
Designed, tested, and manufactured, in the USA.
Each radio has an 16 bit ID assigned to it, so communications cane be grouped and sent to specific radios or groups.
Adjustable spreading factor for over-the-air data rates of 1kbps to 20kbps.
Internal serial port buffer/router for to take in your data and send it the way you want.
WMX interface protocol can be enabled to communicate via the serial port.
Configurable frequency. Set the M50 to whatever center frequency you want to use within the ISM band.
User serial port can be set to whatever baud rate you want.
RX232, 422, 485, USB options are available in the M22 Tech Series Enclosure that works with this radio.
The 20 pin UWORC connector is compatible with this radio and all other Raveon radio modem modules, so all can be used in your product.

Applications

Controlling lights, pumps, valves, alarms
Monitoring sensors, voltage, doors, walls, gates,
SCADA RTU device communications
Factory automation
Industrial robotics and machinery

LoRa Technology Description

These Raveon ISM band Daisy Radio Modems utilize a technology invented in France called “LoRa“.  The LoRa Long Range wireless technology is a synergy with Raveon’s other long range wireless data technology, making our Daisy Radio modems work outstanding.  AN205(LoRa_Range)     AN205 describes how LoRa radio technology is able to help achieve outstanding long-range communications using low-power radios and low RF transmit power.

Raveon’s LoRa radio modem can communication 5-10 times further than ISM band radios built by other companies.  The RV-M50 is and OEM module you can utilize in your products.  The RV-M22 is a LoRa radio modem in the Tech Series enclosure with a myriad of IO options and features.  For LoRa GPS tracking, order the GPS tracking option on any Raveon radio modem product. For more information about LoRa RF Propagation this: RF Propagation Webpage describes all the technologies that affect communication range. For information about the LoRa radio technology, see this webpage.

LoRa Network

This M50 LoRa radio modem can be used to make a long range wireless network. The Cigorn gateway can be used for a long range wireless router on a LoRa network.

This radio can cover so many miles, so the LoRa network can be all wireless, or use the M22 enclosure to connect a LoRa network to you network or to the IoT.

RV-M50 Daisy Radio

Raveon’s RV-M50 Daisy Radios are our smallest solution daisy chaining all your large scale operations using the license-free ISM band radio channels. This LoRa radio is perfect for tracking any number of items over as many locations as you can imagine, making it perfect for you to connect to the internet of things. The Daisy radio is our smallest model yet, making it perfect for daisy chaining your system together across any and all locations. It also integrates flawlessly with your current Raveon M7, or M8 systems, so using it to improve your current solutions or expand operations is quick and easy.

Daisy Radio modules can be incorporated into your products, giving them miles of wireless communication capability.  The Daisy Radio modules use the same UWARC universal wireless interface, so you can design all Daisy Radio modems or our M8 series radios into your products, and just plug in the one you actually want to use.

The Daisy Radio modules are available in our M22 Tech Series enclosures.  The M22 enclosures have a myriad of IO options and features.

The RV-M5 Daisy Radios utilize LoRa communication technology.  The work for data communications or GPS tracking.  Raveon’s Pier-to-Pier mode uses the LoRa protocol to directly communicate between radio to radio, with no need for a “Base Station”.  Simple pier-to-pier data communications is perfect for  daisy-chaining your network. Daisy Radios can pass along data over many miles, with very low power consumption, low RF power, and small antennas.  An their low cost high performance help make you systems more economical.

Daisy Tech Series

The ISM band Daisy Modems are used within the  M22 Tech Series enclosure. The Tech Series is designed to be universal for use with any of our modems, and works especially well with the LoRa radio daisy chain systems. The Tech Series unique design allows for interchangeable front I/O panels, so you can connect to your system in a myriad of differing ways. One other new feature is our more rugged power connector, designed to stay connected through even more extreme conditions. IO options are RS-232, RS-485, RS-422, USB, GPIO, and Flexible IO.

More information on the Tech Series Click Here for Tech Series info.

General Purpose Tracker using LoRa

Raveon utilizes our ISM band Daisy Radio in a miniature enclosure to create a general purpose tracker.

The RV-V50 Miniature Tracker is a small, very low-power GPS/GLONASS transponder for use in the license-free ISM or cellular bands. Having the longest communication range in its class, it can locate and monitor assets such as automobiles, trucks, racers, rental equipment and more. Its built-in rechargeable battery has extremely long battery life.

 

 

Range of 1 to 25 km

Integrated radio transceiver and radio modem with ARM MCU

Configurable range, bandwidth, data rates, and security

Low power options, from DC 5V to 30V

Best in class sensitivity: reliable down to -139dBm

Ideal for OEM integration – highly configurable and small form factor

Data rates of 1,750 to 21,870 bps

Data encryption available using AES 128

Optional GPS tracking with TDMA protocol.

Flexible modem addressing allows for unlimited number of devices on a system.

Available performance diagnostics over the air

Model…………………………. RV-M50-EC-oo (oo=options)

Size…………………………… 61mm X 37mm

Weight……………………….. 1.5 oz

Input Voltage………………… 4.7-5.5 VDC full-spec standard (3.3V reduced spec)

………………………………… 7-28 VDC optional

Power Consumption………… Sleep (<50uA)

………………………………… Receiving data: <250mW (50mA @5V)

………………………………… Transmitting data: <3000mW (600mA @5.0V)

Frequency Bands……………. EC – 902-928MHz

…………………………………. ED – 863-870

…………………………………. EF – 779-787

Serial Port Baud Rates (programmable)

1.2k, 2.4k, 4.8k, 9.6k, 19.2k, 38.4k, 57.6k, 115.2k

Over-the-air Baud Rates (programmable)

9 rates from 1.75kb/s to 21.87kb/s

Full Spec Operating Temperature range….. -30C to +60C

TX-RX and RX-TX turn-around time……….. <5mS

RF I/O Connector…………………………….. MCX (Female)

Addressing (Individual address)……………. 4,398,046,000

Options……………………………………….. Internal GPS – GX option

Security

Encryption Method………………………….. AES128

Electronic Serial Number…………………… Silicon ESN

Configuration Monitor……………………….. Serialized on update

…………………………………………………………………………………………….

Daisy layout

For a layout of the Daisy radio case, click here.

For the full Datasheet, click here. (PDF)

For the full GPS tracking datasheet, click here. (PDF)

RV-M50 datasheet. (PDF)[:]

For the full standard datasheet, click here. (PDF)

For the M50 Daisy Radio Technical Manual, click here. (PDF)

For the Daisy brochure, click here. (PDF)

For information about LoRa radio RF propagation:  AN205(LoRa_Range). (PDF)

For a layout of the Daisy radio case, click here.

To learn how to connect to the internet from Linux using our Daisy Cellular modem, click here. (PDF)

The RV-M50 Data sheet and User manual are Here(M50 Info).

Rasberry pie hat

RG-K5 Raspberry Pi Hat

The RG-K5 is an interface board to connect a Raveon RV-V50 or RV-Z50 radio modem to a Raspberry pi processor board. The hat also provides many features such as EEPROM memory, Arduino CPU, watchdog, and a 3-axis accelerometer.

 

 

 

 

Tech 21 with plates

Tech Series

Our Daisy Radio Modems can be placed in the smaller M22 Tech Series enclosures giving access to the interchangeable front I/O panels, allowing you to connect to the modem any way you want. The 6 different options for interchangeable front I/O panels are:

  • RS-232
  • RS-422
  • RS-485
  • USB
  • GPIO General Purpose IO
  • FIO   Flexible digital IO
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