User's Manual

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File information：

File type

UHF

Model

TRM501

Product code

Product name

Wireless Data

Transceiver Module

TRM501 Wireless Data Transceiver Module

User Manual

（Version：V1.0）

Author：

Fengting Han

Date：

20210908

reviewer：

Date：

signer：

Date：

approved：

Date：

Guangzhou Geoelectron Science & Technology Company Limited

Summary of content (14 pages)

PAGE 1
File information： File type Model UHF TRM501 Product code Product name Wireless Data Transceiver Module TRM501 Wireless Data Transceiver Module User Manual （Version：V1.
PAGE 2
Catalog 1、Technical specifications...................................................................................................... 2 2、Definition of interface connector pin ............................................................................. 3 3、Transceiver command instructions .................................................................................... 4 3.1 Serial port configuration in the factory state.................................................................................
PAGE 3
1、Technical specifications Technical specifications Specification name specification requirements Frequency rage 410~470MHz Working type half-duplex Channel spacing 12.5KHz / 25KHz Modulation type GMSK Operating voltage 7.5V Average power consumption (typical) Transmission power) Transmission power) Receive power Frequency stability ≤±1.
PAGE 4
perturbation resistance stray >55dB Modulator Specification name Specification requirements Air rate 9600bps,19200 bps Modulation method GMSK 2、Definition of interface connector pin Pin No.
PAGE 5
3、Transceiver command instructions 3.1 Serial port configuration in the factory state. serial port baud rate setting Data bits Stop bit Check bit 38400 8 1 none 3.2Basic command 3.3.1 3.3.2 3.3.3 3.3.4 3.3.5 3.3.6 3.3.7 3.3.8 3.3.9 3.3.10 3.3.11 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.
PAGE 6
3.3.12 3.3.13 3.3.14 3.3.15 3.3.16 3.3.17 3.3.18 3.3.19 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“GA0B11O12D15.09.12” SER 【parameter】 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.
PAGE 7
4、Installation of radio Figure 1 shown the installation dimension of data transceiver module PCB, firmly fitted the radio modem onto the mounting surface of user system 。 Figure 1 Radio Modem installation dimension 5 Main Power Supply TRM501 can operate with any 7.5V power supply, which comes from data interface connector with good filtered. The power must supply 2A current at least and featured with current-limiting, even if you make radio modem operating on low power mode (2W).
PAGE 8
７、Photo 7
PAGE 9
UHF Antenna specification Technical parameters Frequency range (MHz) Bandwidth (MHz) 20 Polarization mode Vertical Gain (dBi) Input impedance 410～470 4 (Ω) Voltage standing wave ratio 50 ≤2.0 Maximum power (W) 20 Joint type TNC Antenna length (mm) 293 Antenna weight (g) 50 Extreme wind speed (km/h) 90 Remark: Antenna structure for elastic whip, and resistance to bending.
PAGE 10
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
PAGE 11
IC WARNING Cet appareil contient des metteurs / r cepteurs exempt s de licence conformes aux RSS (RSS) d'Innovation, Sciences et D veloppement conomique Canada. Le fonctionnement est soumis aux deux conditions suivantes : (1) Cet appareil ne doit pas causer d'interf rences. (2) Cet appareil doit accepter toutes les interf rences, y compris celles susceptibles de provoquer un fonctionnement ind sirable de l'appareil.
PAGE 12
2.2 List of applicable FCC rules This module meets the requirements of FCC CFR Title 47 Part 90, FCC CFR Title 47 Part 2. 2.4 Limited module procedures This module is an approval module. 2.6 RF exposure considerations Integration is strictly limited to fixed categorized end-products where a separation distance of at least 200 cm between the radiating part and any human body can be assured during normal operating conditions. 2.7 Antennas This module only allows connection antenna in the instruction manual.
PAGE 13
IMPORTANT NOTE: Integration is strictly limited to mobile/fixed categorized end-products where a separation distance of at least 200 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.
PAGE 14
IMPORTANT NOTE: Integration is strictly limited to mobile/fixed categorized end-products where a separation distance of at least 200 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 IC authorization is no longer considered valid and the IC ID can not be used on the final product.