Lutian DL-24TRGC 2.4G Transceiver Module User Manual

Lutian DL-24TRGC 2.4G Transceiver Module

Specifications:

• Version: V1.1
• Model No.: DL-24TRGC
• Model No.: DL-24D8A-C

Product Information:

Brief Introduction of the Module:
This DL-24TRGC/DL-24D8A-C 2.4G Transceiver Module is designed for wireless communication applications. It features standard 8PIN output and can be easily integrated into various products. The module offers stable performance, high reliability, and can support features like RSSI and low power mode for cost efficiency.

Features:

• Standard 8PIN output
• Support for RSSI and low power mode
• Stable performance and high reliability
• Shortens development cycle

Typical Applications:
Logistics tracking, warehouse patrols, RFID (radio frequency identification)

Product Usage Instructions:

Important Notes Before Using the Module:

• Operate on an anti-static workbench
• Avoid metal objects near the onboard antenna
• Maintain a safe distance from nearby objects during installation
• Avoid exposure to liquid substances
• Use an independent voltage regulator circuit for power supply

Limitations:
This module is not suitable for life-saving systems or applications where equipment failure may result in personal injury or threats to life. It should be embedded in the customer’s terminal product application.

FAQ:

• Q: Can this module be used for life-saving systems?
  A: No, this module is not suitable for life rescue or life-support systems.

• Q: Is a separate power supply required?
  A: Yes, it is recommended to use an independent voltage regulator circuit to supply power to the module.

2.4G Wireless Transceiver Module

SPECIFICATION

Version : V1.1

DL-24TRGC/DL-24D8A-C 2.4G Transceiver Module

Before using this module, please pay attention to the following important matters:

• This module is an electrostatic sensitive product. Please operate it on an anti-static workbench during installation and testing.
• The module is integrated with all RF related devices and has PCB onboard antenna, so excellent RF performance can be obtained without additional antenna configuration. Please do not use metal case above the antenna, otherwise it will lead to serious attenuation of radio frequency signals, which will affect the effective use of distance.
• Metal objects and wires should be kept away from the antenna as much as possible.
• When installing the module, nearby objects should be kept at a sufficient safety distance from the module to prevent short circuit damage.
• This module should be used in a dry environment. Please do not make any liquid substance come into this module.
  Please use an independent voltage regulator circuit to supply power to thismodule, and avoid sharing with other circuits. The tolerance of the power supply shouldnot be less than 5%.

Limitations:

• This module is intended to be embedded in the customer’s terminal product application, and does not provide a casing itself. It is not recommended that the customer directly resell this module as a final product without permission.
• This series of modules are in accordance with commonly used international standards. If there is any special certification needed, we can adjust certain indicators according to your needs.
• This module cannot be applied to life rescue, life-support systems, or any occasion where personal injury or life threatening may cause by equipment failure. Any organization or individual carrying out the above-mentioned applications shall bear all risks at their own.

BriefIntroduction ofthe Module

Designed base on TI-Chipcon’s CC2500 wireless transceiver chip, DL-24TRGC/DL- 24D8A-C is a compact, cost-effective, remote wireless transceiver module, which is widely used in smart home, toy aeromodelling and close-range data transmission control fields. Sensitivity up to -98dbm, maximum transfer rate up to 500Kbps, output power through register configuration ranges from -30dbm to +1dbm. The module is integrated with all RF related devices and has PCB onboard antenna, so excellent RF performance can be obtained without additional antenna configuration.
This module uses standard 8PIN output. RSSI and low power mode can be set up effectively in the application to reduce the cost. You can easily develop wireless products with stable performance and high reliability directly, which will extremely shorten the development cycle without in-depth understanding of RF circuit design.

Importance notice
DL-24TRGC: manual welding is required, due to different thermal expansion coefficient of the black glue and the binding wire inside, as it is binding version base on CC2500 wafer. DL-24D8A-C: it can be SMT directly in mass production, since it was CC2500RGPR chip-based design.

Features

• The center frequency is 2433MHz, can work in the range of 2400~2483.5MHz
• The maximum output power is +1dBm, and the open transmission distance is more than 100m
• High reception sensitivity, up to -105dbm (@2.4Kbps)
• Support FSK modulation mode, programmable control
• Communication rate 1.2~500Kbs, programmable configuration;
• Separate 64byte transmit/receive data buffer
• Separate 64-byte RX FIFO and TX FIFO
• Built-in CRC check to ensure reliable data transmission
• Carrier sense function;
• Digital RSSI output;
• Low power consumption, receiving current less than 15Ma, transmission current less than 25mA;
• With a low power consumption mode, the power consumption is less than 2 uA;
• Switching time of the standby and receive state under the WOR function can be pre-set, which can greatly save the power consumption;
• Integrated temperature sensor;
• Four-line SPI interface, strong versatility;
• Powersupply:1.8~3.6VDC.

Typical application

Logistics tracking, warehouse patrols, RFID (radio frequency identification);

• Replace 232, 485 for wireless data communication;
• Wireless data collection and control for industrial instruments and meters; Automatic AMR (Water, Electricity, Gas) meter reading system；
• Building and residential (smart home) control;
• Wireless remote control for electronic consumer products;
• Wireless Alarm, Security & Protection System；
• Wireless sensor network, etc.

Pins Definition

The DL-24TRGC/DL-24D8A-C RF modules both have 8 pins, which are Pin to Pin with each other, and were defined as following:

Table 1 Pin Definition of DL-24TRGC/DL-24D8A-C

Product Size

Technical Parameters
RF Features (unless otherwise stated, Temperature is 25℃, VCC =3.3V)

12

| Communication distance| ****

＞100M

| Clear and open field transmission, 2.4kbps visible distance
13| Antenna impedance| 50ohm| Onboard PCB antenna
14| Working temperature| -40~85℃|
15| Storage temperature| -50~125℃|

16

| ****

Dimension

|  | Please refer to the outline drawing for pins and detailed dimensions

Table 2: High Frequency Characteristic of the module

Remarks:

1. The communication rate of the module will affect the communication distance. The higher the rate, the closer the communication distance;
2. The communication rate of the module will affect the receiving sensitivity. The higher the rate, the lower the sensitivity;
3. The power supply voltage of the module will affect the transmitting power. Within the working voltage range, the lower the voltage, the lower the transmitting power;
4. When the operating temperature of the module changes, the center frequency will change. As long as it does not exceed the operating temperature range, the application will not be affected;
5. The antenna has a great impact on the communication distance, the antennashould be far away from the system GND when installation;
6. The installation of modules will affect the communication distance.
7. Module Connection Diagram (TTL Level):

Remarks:

1. The power supply voltage range is 1.8~3.6v, which cannot be exceed. If it exceeds 3.6V, the module will burn out. The recommended working voltage is 3.3V.
2. The module interface adopts semicircle pad mode, and all GND pins shall be logically and reliably connected with the system grounding ports.
3. PCB antenna on board shall be far away from system ground.
4. The MCU with integrated SPI interface can also control this module. The ordinary I/O port can be used to simulate SPI timing for reading and writing operation. The speed of SPI shall not exceed 10MHz.
5. The interface can be directly connected with the 3.3V power supply MCU without series resistance; the use of resistance depends on the type of I / O port of the MCU, and the pull-up resistor should be added if it is a leakage type I/O port; when the interface is connected with a 5V power supply MCU, if the output current of I/O port is morethan 10mA, it needs to be connected in series with 2-5k resistor to divide the voltage, otherwise it is easy to burn the module
6. GDO0 and GDO2 of C2500 are universal digital I/O ports, which can be configured  according to the application to generate the required touch signal or clocksignal.
7. In the application of multi-channel, the channel interval is 1MHz, if theintervalisless than 1MHz, it is easy to produce the same frequency interference.
8. During the module test and evaluation, both the transmitter and the receiver should use the same module to avoid the poor communication, due to the configuration problems of crystal oscillator and load capacitance.

Working mode
The operation modes of CC2500 include Sleep Mode, Idle Mode, Transmit Mode and Receive Mode, and the power consumption in Sleep Mode is the lowest.
After waking up from Sleep Mode, it enters Idle Mode. The other modes, except the Sleep Mode, can be switched to each other or configured to switch automatically. The main working state diagram of CC2500 is shown in the figure below. For detailed description, please refer to CC2500 chip specification.

Data transmission mode:
The CC2500 has an independent 64bytes receive / transmit buffer, and the hardware supports many packets processing features, such as preamble, synchronization word, data whitening, CRC verification, FEC forward error correction, address verification, etc.
Users only need to transmit corresponding commands through SPI interface to control the CC2500, and only need to directly operate the data buffer through SPI when receiving and sending data.
The typical packet format is shown in below figure:

In addition, CC2500 supports the transmission mode of fixed packet length, variable packet length and unlimited packet length. Different packet lengths have different configuration and control modes. For details, please refer to CC2500 chip specification.

Programming
CC2500 register configuration values can be generated by the SmartRF Studio tool. Refer to the CC2500 chip specification to know more about each register.
Atthesametime, wecanprovide acomplete set of evaluation kits and relatedroutines, which can help you to develop and evaluate the module’s performance.
Our evaluation suite functions the same as the TI SmartRF04 suite, either directly connecting SmartRF Studio to control CC2500, or demonstrating the communication effect of the CC2500 module by our own routines is no problem.

11. Common Troubleshooting:

1. Whether the power supply is in poor contact. Test whether the power supply voltage of the module is within the rated range;
2. Whether the signal wire is in poor contact. Test whether the SPI interface of the module works normally;
3. Whether the configuration of the transceiver module is consistent. Check whether the register configuration of receiving module and transmitting module is consistent;
4. Whether the signal is blocked. If the transmitting power is large and the distance between the transceiver module and the transmitter module is very close (< 0.2m), the signal may be blocked, resulting in data impassability;

Transmission

distance is

|

1. Whether the environment is bad and whether the antenna is shielded;
2. Whether there is co-frequency or strong magnetism, or power

too close| interference, change channel or keep away from interference source; Whether the power supply matches. Whether the voltage and current are large enough;
---|---
**** High bit error rate|

1. The power supply ripple is large: replace the power supply;
2. Check whether the register configuration of the module is correct and configure the register according to the recommended value;
3. If there is co frequency interference, replace the channel;
4. Whether the antenna is shielded;

Contact us
Lutian Machinery Co., Ltd
Address.: No.1 Lutian Road, Hengjie, Luqiao, 318056, Taizhou, Zhejiang Province, China Web: https://www.chinalutian.com/

Warning.

FCC standards: FCC CFR Title 47 Part 15 Subpart C Section 15.249
Device is equipped with PCB antenna , Antenna gain 1 dBi
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.

Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

Note : 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. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

We will retain control over the final installation of the modular such that compliance of the end product is assured. In such cases, an operating condition on the limit modular approval for the module must be only approved for use when installed in devices produced by a specific manufacturer. If any hardware modify or RF control software modify will be made by host
manufacturer,C2PC or new certificate should be apply to get approval,if those change and modification made by host manufacturer not expressly approved by the party responsible for compliance ,then it is illegal.

FCC Radiation Exposure Statement
This modular complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
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: 2BBZA3200 Or Contains FCC ID: 2BBZA3200”
When the module is installed inside another device, the user manual of the host must contain below warning statements;

1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

2. This device may not cause harmful interference;

3. This device must accept any interference received, including interference that may cause undesired operation.
   Note : 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.
   However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

4. Reorient or relocate the receiving antenna.

5. Increase the separation between the equipment and receiver.

6. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

7. Consult the dealer or an experienced radio/TV technician for help.

8. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

The devices must be installed and used in strict accordance with the manufacturer’s instructions as described in the user documentation that comes with the product.
Any company of the host device which install the modular with limit modular approval should perform the test of radiated & conducted emission and spurious emission, etc. according to FCC part 15C : 15.249 and 15.209 & 15.207 ,15B Class B requirement, Only if the test result comply with FCC part 15C : 15.249 and 15.209 & 15.207 ,15B Class B requirement，then the host can be sold legally.

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