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M8S OEM Data Radio ModemRF Transceiver Kits (UHF/VHF)

The RV-M8S data radio modem is designed for embedded OEM applications where long-range data communications is necessary. It is available in UHF frequency bands and the 216-220MHz frequency band. It communicates with, and has the features as, Raveon's M7 series of data radio modems, at a smaller size and better efficiency. Its small size, lower power consumption, 2 watts of RF output, and versitile digital interface makes it easy to integrate into your product. It has user-selectable protocols, either packet data or  POCSAG paging data reception.

With fast over-the-air data rates and fast transmit-to-receive switching, Raveon’s M8 data radio transceiver works exceptionally well in telemtry system, polled metering systems, and anywhere when fast response time is required.  Included in each unit is advanced networking, error correction, and local and remote diagnostics.  And because it is built using rugged “single-board” construction, it is extremely rugged – and cost effective. With prices for radio transceivers starting below $250, in OEM suantities, the M8S is the most versitile and economical embedded data radio available.

The M8S has some of the fastest over-the-air data rates, fastest TX-RX switching times, and power-on times. It is one of the smallest data radios in its class. And its price will pleasantly suprise you.

This is an OEM data radio modem. Raveon has incorporated many many advanced features and functions in this product, and use of it and the intellectual property contained within the product is restricted to certain applications. This product may not be used for communicating with medical devices, controlling irrigation equipment with paging protocols, or tactical military applications. Buyers of this product must agree to the RV-M8x Data Radio OEM Module Terms and Conditions of Sale.

This module is targeted for low-power, solar, and battery-powered applications. Exceptional DC power savings is accomplished by:

A. Advanced CPU. Using the latest CORTEX micro-processor, it uses half the DC power as the CPU in our M7 used while running twice as fast. And has twice the memory. This is one powerful little radio modem.

B. Digital I/O. The power-hungry RS232 I/O driver has been eliminated. The input and output voltage levels are 3.3V logic, as well as the serial I/O. This saves power and cost. USB I/O is also available.

C. Switching Regulators. Raveon designed custom DC/DC converters with low RF energy for this product. We used double shields, many ferrite beads, and a 3X the required filter capacitors to make sure the power is clean, and the efficiency is excellent.

D. Integrated Modem. Raveon data radio products use software-based modems, so there is no external modem IC chip drawing additional power.

 

Applications and Markets:

 

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  • General Features
  • Specifications
  • Downloads
  • Accessories
  • Serial input and output.  Programmable serial baud rates up to 57600. 
  • Small sized and single-board construction.
  • Very efficient circuitry. ( < 700mW receiving, < 8W transmitting)  
  • Lowest current draw in industry.
  • Easy to use. Transmit data in = Receive data out.
  • Receive-only version available
  • Easily configured using “AT” commands
  • Extensive diagnostic capabilities
  • Serial communication may be 7 or 8 bit ASCII, or WMX
  • Integrated radio and modem
  • Programmable 1/4 to 2 watts RF output. 
  • 9600 bps in a 12.5kHz channel.
  • Very Low Power (<70mA in RX mode)
  • Easy to use, yet fully programmable
  • Real-time streaming data or Packetized operation - user configurable
  • Each modem is store-and-forward repeater capable
  • Sophisticated built-in diagnostics AND remote diagnostics. Monitored: DC voltage, Current, and temperature
  • 32 bit CPU with base-band Digital Signal Processing for exceptional sensitivity
  • Low-power modes for extended operation off of batteries or solar power
  • Programmable serial port baud rates, and flow-control
  • Automatic error correction
  • Built-in automatic status monitoring of modem performance and DC input voltage
  • Compatible with MODBUS and DNP-3

Frequency Bands Available

  • 216-220MHz........................... RV-M8S-VC-
  • 403-434MHz........................... RV-M8S-UA (not for use within the US)
  • 419-440MHz........................... RV-M8S-UB (not for use within the US)
  • 450-480MHz........................... RV-M8S-UC
  • 470-512MHz........................... RV-M8S-UD (not for use within the US)

Transmitter

  • RF Power Output .............................. 100mW – 2.0 W programmable (3W on 216-220MHz)
  • Maximum Duty Cycle (1/2 watt)...... 80% 40C, 20% @2W (100% w/ optional heatsink)
  • Maximum Duty Cycle (2 watt)......... 10% to 40C, 5% to 60C
  • Frequency Deviation ......................... ± 2.2kHz
  • RF Bandwidth..................................... 20MHz no-tune
  • Occupied bandwidth......................... 11 kHz
  • TX Spurious outputs.......................... < -70dBc
  • Occupied Bandwidth......................... Per FCC
  • FCC Emissions Designator .......... 11K0F1D
  • Frequency Stability ............................ Better than ±1.5ppm

Receiver

  • RX sensitivity 4800 bps (.1% BER) .................. < -114dBm
  • RX sensitivity 9800 bps (.1% BER) .................. < -107dBm
  • RX sensitivity 1200 bps (.1% BER)................... < -118dBm
  • RX sensitivity POCSAG 512 ............................... < -120dBm
  • RF No-tune bandwidth ..................... 20MHz
  • Adjacent Channel Selectivity............ -50dB
  • Alternate Channel Selectivity........... -65dB
  • Blocking and spurious rejection....... -75dB
  • RX intermodulation rejection ........... -70dB

User Interface

  • Serial Inter face Port, 3V digital logic
  • Standard Connector Type: 20-pin header 2mm spacing.
  • IO Voltage Levels 3V logic
  • RX and TX data Transparent Async
  • Word length 7 or 8 bits
  • Format N, O, or E
  • Optional UBLOX GPS receiver
  • Modem handshake signals RTS, CTS, CD
  • Other signals: RSSI, RX Audio, 3.3V regulated out, Enable input, decode mode in

Datasheet UHF OEM Data Radio RV-M8S-U (English)

Programming Software:

Radio Manager    Radio Manager is a Windows XP/Vista software application that is used to configure Raveon's radio products.  It is compatible with all Raveon models, and provides configuration management, as well as programming assistance, diagnostic information, and a helpful "band scope" feature.  More...

User Manuals and Documentation:

RV-M8S Tech Manual (Technical Manual)  The Technical Manual for configuring and installing the RV-M7 wireless modem.  

Technical Info:

Remote Management (pdf)  Built into all FireLine, M7, and M8 series of modems, is a set of unique remote management and diagnostic capabilities. Users are able to remotely read network statistics, configuration, and operating conditions of a modem in the system.

Buyers of this product must agree to the RV-M8x Data Radio OEM Module Terms and Conditions of Sale.

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