TDM 24
TDMA Wireless Data Radio

  • 9600 bps GMSK Radio Modem

  • TDMA Mode

  • 16 bit CRC with Forward Error Correction

  • 72 Ch. L1 GPS Receiver

  • 5 Watt Power output

  • Emergency Button

  • On-board Speeding Alarm

 

TDM-24 is a Time Division Multiple Access/ TDMA data radio built to endure the stresses of daily use in harsh conditions. Full metal construction provides impact and weather resistance.

 

Up to 5 Watt RF power will make a reliable long range telemetry operation. Encrypted packet data and additional error detection and correction assured the security and quality of data transmission over radio.

 

Highly integrated with 72 Channel GPS/GNSS receiver make the unit ideal for real-time AVL. DGPS data correction integrate in the GNSS receiver will improve data position accuracy.

 

An interactive user interface and streamlines field configuration make the unit can be used in

a variety of configurations: as a base transmitter, a repeater, or a mobile unit in AVL System.

 

Flexible transmission time slot configuration suitable to handle up to 300 radios in a single radio channel.

 

 
 

     Physical Characteristic

  • Dimension                     150 x 207 x 55mm

  • Power                           6 – 15 VDC

  • Consumption                 Tx 1.9 Amp (5W RF power) Rx 160mA

  • Operating Temp.            -30C – 60C

  • Dust/water shield:           IP65 (TDM 24) IP67 (TDM 24H)
 

      Interface

  • RF Antenna                   BNC

  • GPS Antenna                SMA

  • Data Port                      DB9/15 (TDM-24)         

  •                                    400 Series Buccanner (TDM-24H)

  • Digital Input                   8 Status Input

  • Com. Port                     2x RS232
 

      GNSS Receiver Characteristic

  • 72 Ch. (GPS L1C/A, GLONASS L1OF, BeiDou B1, Galileo E1B/C2)

  • Sensitivity:       -165 dBW

  • Update Rate:    5 Hz (GPS + Glonass/Beidou)   10 Hz (GPS only)

  • Accuracy:        2.5 m  (SPS)    2.0  m (SBAS)

  • Time-To-First-Fix:       GPS + Glonass     GPS + Beidou       GPS
    Cold start                         26 s                        27 s              29 s
    Hot start                            1 s                          1 s               1 s
         

Radio Specification

Frequency Range                 VHF       137 - 162 MHz, 150 -174 MHz                                                                              

                                           UHF       406 - 422 MHz, 414 - 430 MHz, 450 - 470 MHz

Channel Bandwidth                            12.5 kHz

Data rate                                           9,600 bps

FCC Type Acceptance                       NP4-2422210610 (VHF) and NP4-2422240510 (UHF)

IC Type Acceptance                           773B-2210610

Emission Designator                          9K60F1D, 10K0F1D

RF Output Power                               Adjustable 0.50 to 5 Watt (+/- 20% @ 12.5 VDC)

Receiver Sensitivity                            -116dBm at 12dB SINAD and 1 kHz tone

Adjacent Channel Rejection                > 60dB

Spurious and Image Rejection            > 70dB per TIA/EIA

Intermodulation Rejection                   > 70dB
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