Geoelectron TRM101 Wireless Data Transceiver Module User Manual

June 5, 2024
Geoelectron

Geoelectron TRM101 Wireless Data Transceiver Module

Technical specifications

Feature:

  1. Transmit and receive, support 410~470MHz.
  2. High reliability, RF port contact discharge 8KV 200 times continuous discharge point is not damaged, can be used in different complex environments.
  3. Optimized design of RF transmission chain PA, 46.5% efficiency.
  4. Supported protocols include TRIMTALK, TRIMMK3, SOUTH, TRANSEPT, GEOTALK, GEOMK3, SATEL, TARGET, PCCEOT, PCCFST, SATEL_ADL, PCCFST_ADL and support interoperability protocols of mainstream manufacturers.
  5. Harmonic control meets CE requirements; minimizes the impact of the third harmonic on GNSS receivers.
  6. Module has passed the certification standard of FCC, CE, KC.
    Technical specifications

    Specification name| specification requirements
    Frequency rage| 410~470MHz
    Working type| half-duplex
    Channel spacing| 6.25KHz / 12.5KHz / 25KHz
    Modulation type| 4FSK/GMSK
    Operating voltage| 3.3V ±10%( TX state, not more than 4V)
    Power consumption| Transmitted power| 3.3W
    Receive power| 0.48W
    Frequency stability| ≤±1.0ppm
    Size| 57×36×7mm
    Weight| 16g
    Operating temperature| -40~+60℃
    Storage temperature| -45~+90℃
    Antenna interface| IPX or MMCX
    Antenna impedance| 50ohm
    Data interface| 20pin
    Transmitter specification
    Specification name| specification requirements

RF output power

| High power (1.0W)|

30±0.3dBm@DC 3.3V

RF power stability| ±0.3dB
Adjacent channel inhibition| >50dB
Receiver specification
Specification name| specification requirements
---|---
Sensitivity| Better than -115dBm@BER 10-5,9600bps
Co-channel inhibition| >-12dB
Block| >70dB
Adjacent channel selectivity| >52dB@25KHz
perturbation resistance stray| >55dB
Modulator
Specification name| Specification requirements
Air rate| 4800bps,9600bps,19200 bps
Modulation method| 4FSK/GMSK

Hardware structure

Dimensions (bottom perspective)

Photos of Product

Front view:

Note: IPX port connect antenna, radio frequency signals are received and transmitted

Back view:

Note: 20PIN-connect to host, input and output data

Definition of interface connector pin

Pin No. Input/output definition
1 Input VCC
2 Input VCC
3 Input/output GND
4 Input/output GND
5 NC No use
6 Input Enable
7 Output TXD (UHF data output)
8 NC No use
9 Input RXD (UHF data input)
10 NC No use
11 NC No use
12 NC No use
13 NC No use
14 NC No use
15 NC No use
16 NC No use
17 Input Config (default as high radio data mode, need to pull low

configuration to enter command mode)
18| NC| No use
19| NC| No use
20| NC| No use

Antenna information

Transceiver command instructions

Serial port configuration in the factory state

serial port baud rate setting 38400
Data bits 8
Stop bit 1
Check bit none

Basic command

  • TX 【parameter】
    Function:set the transmission frequency(MHz)
    Parameter choice:410.000 – 470.000
    Example:TX 466.125 show:“PROGRAMMED OK”

  • TX
    Function:Check the transmission frequency
    Example:TX show:“TX 466.12500 MHz”

  • RX 【parameter】
    Function :set receive frequency(MHz)
    Parameter choice:410.000 – 470.000
    Example:RX 466.125 show:“PROGRAMMED OK”

  • RX
    Function: Check the receive frequency
    Example:RX show:“RX 466.12500 MHz”

  • BAUD 【parameter】
    Function :set air baud rate(bps)
    Parameter choice:4800、9600、19200
    Example :BAUD 9600 show:“PROGRAMMED OK”

  • BAUD
    Function :check the air baud rate(bps)
    Example :BAUD show:“BAUD 9600”

  • PWR 【parameter】
    Function: set the transmission power
    Parameter choice:H、L
    Example:PWR L show “PROGRAMMED OK”

  • PWR
    Function: check the transmission power
    Example:PWR show “PWR L”

  • CHANNEL 【parameter】
    Function:Set the current channel
    Parameter choice:0~16
    Example:CHANNEL 1 show“PROGRAMMED OK”
    Note: Note: After setting CHANNEL, the frequency of transmission and reception will be modified to the frequency of the corresponding channel. After setting CHNANEL and then setting the TX frequency, the transmit frequency will be changed to the frequency set by TX, After setting CHNANEL and then setting the RX frequency, the receiving frequency will be changed to the frequency set by RX. The opposite setting order also works.

  • CHANNEL
    Function:Check the current channel Example:CHANNEL show “CHANNEL 1”

  • CHANNELTABLE【parameter 1】【parameter 2】
    Function:Set frequency of channel
    Parameter:parameter 1 (channel): 1~16, parameter 2 (frequency): 410.0 – 470.0 902.4 – 9285 Example:CHANNELTABLE 1 414.015 show “PROGRAMMED OK”

  • CHANNELTABLE 【parameter】
    Function:Check frequency of channel
    Parameter:1~16
    Example:CHANNELTABLE 1 show “CHANNELTABLE 1 414.015000”

  • PRT 【parameter】
    Function:Set current protocol type
    Parameter choice :TRIMTALK 、TRIMMK3 、SOUTH 、TRANSEOT、GEOTALK、GEOMK3 、 SATEL、HITARGET、PCCEOT、PCCFST、SATEL_ADL、PCCFST_ADL
    Example:PRT TRIMTALK show“PROGRAMMED OK”

  • PRT
    Function:Check current protocol type
    Example:PRT show“PRT TRIMTALK”

  • SREV
    Function:Check current software version
    Example:SREV show the current software version“G001.02.07”

  • SER
    Function:Check the serial number
    Example:SER show“SN:TRM218030242”
    note:If UHF has never set the SN with no.14 command, so only show the “SN:”

  • CTIME
    Function:Set the serial number
    Parameter choice:Less than 16 numbers of ASCII
    Example:SER TRU201-006 show“PROGRAMMED OK”
    note:Serial number is the only remark for the UHF, so it’s forbidden to change the serial number by software.

  • FLOW
    Function:Check the lower limit of UHF frequency.
    Example:FLOW show“FLOW 410”

  • FUPP
    Function:Check the upper limit of UHF frequency.
    Example:FUPP show“FUPP 470”

  • SBAUD 【parameter】
    Function:Set baud rate of Communication interface.
    Parameter choice:9600、19200、38400、57600、115200
    Example:SBAUD 38400 show“PROGRAMMED OK”

  • SBAUD
    Function:Check baud rate of Communication interface (unit:bps)
    Example:SBAUD show“SBAUD 38400”

  • BOOTVER
    Function:Check current BOOT version
    Example:BOOTVER show“15.09.23”

  • HWVER
    Function:Check hardware version
    Example:HWVER show“V1.0”

  • MODEL
    Function:Check model.
    Example:MODEL show“TRM101”

  • PWRL
    Function:Check L-grade power indicator
    Example: PWRL show“0.500”

  • PWRH
    Function:Check H-grade power indicator
    Example:PWRH show“1.000”

  • SPRT
    Function:Check the supported protocols
    Example:SPRT show
    “TRIMTALK;TRIMMK3;SOUTH;TRANSEOT;GEOTALK;GEOMK3;SATEL; HITARGET; PCCEOT; PCCFST; SATEL_ADL; PCCFST_ADL”

  • SBAUDRATE
    Function:Check air baud rate(unit:bps)
    Example:SBAUDRATE show“4800; 9600; 19200”

  • TEMP
    Function:Check current temperature(℃)
    Example:TEMP show“36.808”

  • U
    Function:Check present supply voltage.
    Example:U show“3.288”

  • RPT【parameter】
    Function:Set relay mode
    Parameter:ON/OFF
    Example:Enable relay function “RPT ON”, show “PROGRAMMED OK”

  • RPT
    Function:Check relay mode
    Example:RPT show “RPT OFF”

  • FEC【parameter】
    Function:Set FEC function switch
    Parameter:ON/OFF
    Example:Enable FEC function “FEC ON” show “PROGRAMMED OK”

  • FEC
    Function:Check FEC function state
    Example:FEC show “FEC ON”

  • RIP 【parameter】
    Function:Set protocol correction on output (only for TRANSEOT、TRIMTALK、TRIMMK3) Parameter:ON/OFF
    Example:Enable RIP function “RIP ON” show “PROGRAMMED OK”

  • RIP
    Function:Check RIP function state
    Example:RIP show “RIP ON”

  • CSMA 【parameter】
    Function:Set carrier to sense multiple access
    Parameter:ON/OFF
    Example:Enable CSMA function “CSMA ON” show “PROGRAMMED OK”

  • CSMA
    Function:Check CSMA function state
    Example:CSMA show “CSMA ON”

  • ID 【parameter】
    Function:Set ID number for call sign
    Parameter:16-digit ID number (if less than 16 digits, 0 to16 digits will be added automatically in front of ID)
    Example:ID 123 show “PROGRAMMED OK”

  • ID
    Function:Check ID of call sign
    Example:ID show “123”

  • TIMEID 【parameter】
    Function:Set the sending interval of call sign (unit: min) Parameter:0~255
    Example:TIMEID 2 show “PROGRAMMED OK”

  • TIMEID
    Function:Check sending interval of call sign Example:TIMEID show “2”

Special commands (special commands work only with antenna, so antenna must be connected before testing)

CCA 【parameter】
Function:Check the received signal strength value (dBm) of the specified channel (MHz). Parameter choice:410.000 – 470.000
Example:CCA 466.125 show (two options):

  1. CCA 【parameter 1】:【parameter 2】,Example “CCA 466.125:-106.125”,indicate the received signal strength value is -106.125 dBm in the current 466.125MHz channel.
  2. “CCA 466.125:ERROR”,indicate the test is failed, but it is not indicated that all the channels to be tested aren’t applicable. It indicates only the failure for the test operation without connecting the antenna, or too close to the emission source, etc. may lead to the test failure.

RSSI
Function:Check the received signal strength value. Example:RSSI show (two options):

  1. RSSI indicates it doesn’t receive any data in the protocol, so it can’t show the received signal strength value.
  2. RSSI -52.478 -48.063,-52.478(dBm)Refers to the average value of the signal strength received in the last 20 times or less than 20 times in the protocol (because from power-on to the execution of the RSSI command, no more than 20 data packets are received in the protocol); -48.063 (unit: dBm) refers to the received signal strength of the last intra-protocol packet reception of RSSI command execution.

Main Power Supply

TRM101 can operate with any 3.3V power supply, which comes from data interface connector with good filtered. The power must supply 1A current at least and featured with current-limiting, even if you make radio modem operating on low power mode (0.5W).

Warning & Statement

This module meets the requirements of FCC CFR Title 47 Part 90, FCC CFR Title 47 Part 2. Integration is strictly limited to fixed categorized end-products where a separation distance of at least 40 cm between the radiating part and any human body can be assured during normal operating conditions. This module only allows connection antenna in the instruction manual. If other antennas are used, re-evaluation is required. This module is test stand-alone, if more another modules work together with this module, please evaluation the multiple RF exposure. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. If the FCC identification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: “Contains Transmitter Module FCC ID: 2ABAN-TRM101A or Contains FCC ID: 2ABAN-TRM101A”.

  • This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.
  • This equipment must be installed and operated with minimum distance 40cm between radiator & your body

IMPORTANT NOTE:
Integration is strictly limited to mobile/fixed categorized end-products where a separation distance of at least
40 cm between the radiating part and any human body can be assured during normal operating conditions. IMPORTANT NOTE:
In the event that these conditions can not be met (for example certain laptop configurations or co-location with another transmitter).then the FCC authorization is no longer considered valid and the FCC ID can not be used on the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate FCC authorization.

IMPORTANT NOTE:
This module is intended for OEM integrator only and the OEM integrators are instructed to ensure that the end user has no manual instructions to remove or install the device. The OEM integrator is still responsible for the FCC compliance requirement of the end product, which integrates this module.

LABEL OF THE END PRODUCT:
The final end product must be labeled in a visible area with the following “ Contains FCC ID: 2ABNA-
TRM101A” .If the size of the end product is smaller than 8x10cm, then additional FCC part 15.19 statement is required to be available in the users manual: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
The host product manufacturer is responsible for compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification. The final host product still requires Part 15 Subpart B compliance testing with the modular transmitter installed.
The end user manual shall include all required regulatory information/warning as shown in this manual, include: This product must be installed and operated with a minimum distance of 40 cm between the radiator and user body.

Warnings:
This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’ s licence exempt RSS(s).
Operation is subject to the following two conditions:
(1) This device may not cause interference and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
Cet appareil contient un ou des émetteurs/récepteurs exempts de licence conformes aux RSS exempts de licence d’Innovation, Sciences et Développement économique Canada.
Le fonctionnement est soumis aux deux conditions suivantes :

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