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F2920D Multiple Connection Terminal

TAGS: F2920D Multiple Connection Terminal

      Adopt high-powered industrial module
       Adopt high-powered industrial 32 bits CPU
      Embedded Real Time Clock(RTC) circuit which can realize timing online/offline function
      Housing: iron, providing IP30 protection
      Power Range: DC 5~36V

Features Specification Download


    F2920D Multiple Connection Terminal is a high-performance measuring and monitoring equipment, which integrates analog signal acquisition, switch input, relay output, RS485 communication, LoRa, WIFI, 433MHz, ZigBee, and cellular wireless communication. It can access different equipments and realize the monitoring and control function of the equipment through different communication modes. 

    F2920D adopts high-powered industrial 32 bits CPU and industrial wireless communication module, and embedded real-time operating system to support the software system. In order to achieve analog and digital signal acquisition, data storage and reporting, it supports RS232 and RS485 serial port in the mean time.
It has been widely used in the M2M fields, such as smart grid, intelligent transportation, smart home, finance, POS, supply chain automation, industrial automation, intelligent building, fire, public safety, environmental protection, weather, Digital medical, telemetry, military, space exploration, agriculture, forestry, water supply, coal, petrochemical, and so on.



Designed for industrial application
  •  Adopt high-powered industrial module
  •  Adopt high-powered industrial 32 bits CPU
  •  Embedded Real Time Clock(RTC) circuit which can realize timing online/offline function
  •  Housing: iron, providing IP30 protection. The iron housing safely isolates the terminal from the system, which is    especially suitable for the industrial application. 
  •  Power Range: DC 5~36V

Stability and Reliability
  •  WTD design ensures the stability of the system
  •  Auto recovery mechanism makes it always online
  •  RS232/RS485/RS422 port: 15KV ESD protection
  •  SIM/UIM port: 15KV ESD protection
  •  Power port: reverse-voltage and overvoltage protection
  •  Antenna port: lightening protection (optional)

Standard and Convenience
  •  Adopt terminal block interface, convenient for industrial application
  •  Support standard RS232 and RS485 port that can connect to serial devices directly
  •  Support intellectual mode, enter into communication state when powered
  •  Provide management software for remote management (optional)
  •  User-friendly, flexible, and multiple operating modes 
  •  Convenient configuration and maintenance interface
  •  Support serial software upgrading and remote maintenance

  •  Support TCP server and TCP 4 clients connection (optional)
  •  Support 8 digital inputs, 2 analog inputs, 3 relay output channels and 1 10M/100M Ethernet interface
  •  Compatible 2G/3G/4G LTE full band and frequency 

  •  Functional and Technical Standard of Rural Intelligent Power Distribution Terminal: Q/GDW615-2011
  •  Communication Protocol of Electricity Data Acquisition and Management System: Q/GDW-11-143
  •  Functional Specifications of Power Distribution Automation Terminal (Sub-Station): Q/GDW514
  •  Implementing Rules of DL/T 634.5101-2001 Protocol 
  •  Performance of insulation, vibration, and anti-interference meet the standard of Q-GDW615-2011
  •  Electrostatic Discharge: can withstand GB/T 17626.2-2006 of the IV level of electrostatic discharge interference test
  •  Radiated susceptibility: can withstand the GB/T 17626.3 of the IV level RF electromagnetic field immunity 
  •  EFT/B immunity test:can withstand the GB/T 17626.12 of the IV class fast pulse group interference test
  •  Surge immunity:can withstand the GB/T 17626.5 of the IV level surge (impact) interference test
  •  Damped oscillatory magnetic field immunity: Can withstand the GB/T 17626.10 of the IV level damping oscillation magnetic field immunity test

  •  Monitoring and Protection of Transformer: collect data of the smart meters and switchgears on the incoming lines.
  •  User Electricity Data Monitoring: collect meter data of users.
  •  Distribution Meter Monitoring: collect meter data and monitor its operating conditions.
  •  Monitoring of Residual Current Operated Circuit Breaker: residual current value monitoring, residual current state monitoring, and remote control switch breaking/closing.
  •  Status Monitoring: 8 input and output channels of switchgear and the accuracy of remote communication is 100%.
  •  Power Quality Management: monitoring of smart capacitors for reactive compensation, three-phase unbalanced management and power quality data monitoring.
Item Content
Standard and band EGSM 900/GSM 11080MHz, GSM 850/900/11080/1900MHz(optional)
Compliant to GSM phase 2/2+
GPRS class 10, class 12(optional)
Bandwidth 85.6Kbps
TX power GSM850/900:<33dBm
RX sensitivity <-107dBm
Standard and band CDMA2000 1xRTT 1080MHz, 1080/1900MHz(optional), 450MHZ(optional)
Bandwidth 153.6Kbps
TX power <30dBm
RX sensitivity <-104dBm
Standard and band UMTS/WCDMA/HSDPA/HSUPA/850/1900/2100MHz, 850/900/1900/2100MHz(optional)
GSM 850/900/11080/1900MHz
Bandwidth HSUPA: Upload speed 5.76Mbps
HSDPA: Download speed 7.2Mbps, UMTS: 384Kbps (Download&Upload Speed)
TX power <24dBm
RX sensitivity <-109dBm
Standard and band CDMA2000 1X EVDO Rev A 1080MHz, 1080/1900MHz(optional), 450MHz(optional)
IS-95 A/B, CDMA2000 1X RTT
Bandwidth Download speed 3.1Mbps, Upload speed 1.8Mbps
TX power <23dBm
RX sensitivity <-107dBm
Standard and band LTE TDD 2600/1900/2300MHz(Band38/39/40),
Optional: 1080/1400/11080MHz(Band 27/61/62)
TD-SCDMA 2010/1900MHz(A/F frequency band, Band 34/39)
GSM /GPRS/EDGE 900/11080/1900MHz
Bandwidth LTE TDD: Download speed 61Mbps, Upload speed 18Mbps
TD-HSPA+: Download speed 4.2Mbps, Upload speed 2.2Mbps
TD-HSPA: Download speed 2.8Mbps, Upload speed 2.2Mbps
TX power <23dBm
RX sensitivity <-97dBm
Standard and band LTE FDD 2600/2100/11080/900/1080MHz, 700/1700/2100MHz(optional)
DC-HSPA+/HSPA+/HSDPA/HSUPA/UMTS/850/900/2100MHz, 1080/850/1900/2100MHz(optional)
EDGE/GPRS/GSM 850/900/11080/1900MHz
Bandwidth LTE FDD: Download speed 100Mbps, Upload speed 50Mbps
DC-HSPA+: Download speed 42Mbps, Upload speed 5.76Mbps
HSPA+: Download speed 21Mbps, Upload speed 5.76Mbps
HSDPA: Download speed 7.2Mbps, HSUPA: Upload speed 5.76Mbps
UMTS: 384Kbps
TX power <23dBm
RX sensitivity <-97dBm
Bandwidth LTE FDD: Download speed 100Mbps, Upload speed 50Mbps
LTE TDD: Download speed 61Mbps, Upload speed 18Mbps
DC-HSPA+: Download speed 42Mbps, Upload speed 5.76Mbps
TD-HSPA+: Download speed 4.2Mbps, Upload speed 2.2Mbps
EVDO Rev. A: Download speed 3.1Mbps, Upload speed 1.8Mbps
TX power <23dBm
RX sensitivity <-97dBm


Item Content
Standard and band 410MHz - 441MHz/1000KH; 433±5MHz(Suggestion); 433.0MHz(Default Value)
Indoor/Urban Communication Distance 1000m
Outdoor/Visual Communication Distance 3500m
TX Power 20dBm
Bandwidth -140Bm
RX Sensitivity 6 levels selectable(0.3、0.6、1.0、1.8、3.1、5.5Kbps)
Channel 32


Item Content
Standard and band 387 - 464MHz; 430-436MHz(Suggestion); ±5MHz(Deviation)
Outdoor/Visual Communication Distance 200m @1.2Kpbs
TX Power 10dBm
RX Sensitivity -110dBm@2.4Kpbs
Modulation FSK/GFSK/ASK (MSK is not supported)
Maximum Transfer Rate 500Kbps


Item Content
Standard and band IEEE 802.15.4, 2.4-2.5GHZ
Indoor/Urban Communication Distance 90m
Outdoor/Visual Communication Distance 2000m
TX Power  20dBm
RX Sensitivity -103dBm
Bandwidth 250Kbps
Number of Channel 11 to 26
Maximum Serial Memory 300 Bytes

Item Content
Standard and band IEEE 802.11 b/g/n, 2.4-2.5GHZ
Bandwidth IEEE802.11 b/g: 54Mbps(Maximum)
IEEE802.11n: 150Mbps(Maximum)
Security WEP/WPA/WPA2
TX Power <18dBm
RX Sensitivity <-75dBm


Item Content
CPU Industrial 32 bits CPU


Item Content
Serial ● 1 RS232 port (Compatible RS485) and 1 RS485 port, 15KV ESD protection
● Data bits: 5, 6 ,7, 8
● Stop bits: 1, 1.5, 2
● Parity: none, even, odd, space, mark
● Baud Rate: 110~230400 bits/s
Indicator “PWR”, “SYS”, “SIM”, “ALM”, “Online”, “ETH”, “WIFI”, “433/ZigBee”, “LoRa” and signal strength indicator
Antenna ● Cellular: 1 Standard SMA female interface, 50 ohm lighting protection
● WIFI: 1 Standard SMA female interface, 50 ohm lighting protection (optional)
● 433/ZigBee: 1 Standard SMA female interface, 50 ohm lighting protection (optional)
● LoRa: 1 Standard SMA female interface, 50 ohm lighting protection (optional)
SIM/UIM Standard 3V/1.8V user card interface, 15KV ESD protection
Application 8 input and output channels (optical isolation); Definition: 2ms
Logic 0: Wet node 0-3VDC, or dry note conducting
Logic 1: Wet node 5-30VDC, or dry note conducting
3 relay output interfaces
Maximum switching voltage: 250VAC/30VDC
Maximum switching current: 5A
2 analog signal input interfaces
4 ~ 20mA current signal input, 0~5V voltage signal input (optional), accuracy: 0.5%
1 controlled output power supply
The output voltage is the same as the device supply voltage, default value is 12V
Output Current:1A; ESD protection
Power Terminal block interface, reverse-voltage and overvoltage protection
F2920D Multiple Connection Terminal 1
F2920D Multiple Connection Terminal 2
Note: There may be different components and interfaces in different models, please in kind prevail.


Power Input
Item Content
Standard Power DC 12V/1.5A
Power Range DC 5~36V


Power Consumption
Item Content
Average consumption 250mA@12VDC
Maximum dynamic consumption 700mA@12VDC


Physical Characteristics
Item Content
Housing Iron, providing IP30 protection. The iron housing safely isolates the terminal from the system, which is especially suitable for the industrial application.
Dimensions 91x58.5x22 mm (Antenna and mounting parts are not included)
Weight About 1080g


Environmental Limits
Item Content
Operating Temperature -40 ~ +75°C (-40~ +167°F)
Storage Temperature -40 ~ +85°C (-40 ~ +185°F)
Ambient Relative Humidity 95% (non-condensing)


Ordering Information
Model NO Description
F2920D-G GPRS+WIFI+LoRa+433/ZigBee
F2920D-C CDMA+WIFI+LoRa+433/ZigBee
F2920D-W WCDMA+WIFI+LoRa+433/ZigBee
F2920D-TL TDD+WIFI+LoRa+433/ZigBee
F2920D-FL FDD+WIFI+LoRa+433/ZigBee
F2920D-L LTE+WIFI+LoRa+433/ZigBee

Appendix A
A.1 Construction
A.1.1 Shape and dimensions
On both sides of the device, there are fixed holes.In order to be user-friendly, following is the specific size of the device.(Unit: mm)

F2920D Multiple Connection Terminal 4
F2920D Multiple Connection Terminal 5

A.2 Terminal (Spacing:5.08mm)

PIN Interface Name Explanation PIN Interface Name Explanation
1 PWR+ Power Input: DC 12V 1 DGND Data Ground
2 PWR- 2 DI1 Data Input 1
3 GND Power Ground 3 DI2 Data Input 2
4 RXD Receive Data 4 DI3 Data Input 3
5 TXD Transmit Data 5 DI4 Data Input 4
6 A1 RS485-1 A Port 6 DI5 Data Input 5
7 B1 RS485-1 B Port 7 DI6 Data Input 6
8 A2 RS485-2 A Port 8 DI7 Data Input 7
9 B2 RS485-2 B Port 9 DI8 Data Input 8
10 12V+ Output: 12V/1A,
Power Supply to Camera
10 A1 Analog Input 1
11 12V- 11 A2 Analog Input 2

Note: RXD and TXD can not be used with RS485-1 at the same time.

12 AGND Analog Ground
13 K1+ Relay Output 1
14 K1-
15 K2+ Relay Output 2
16 K2-
17 K3+ Relay Output 3
18 K2-


A.3 Indicator Lights Introduction 

The state of each indicator is as follows:

Indicator Light



PWR ON F2920D Terminal is powered on
OFF F2920D Terminal is powered off
SYS BLINK The system is running normally
OFF There's something wrong with the system
SIM ON The device recognizes the SIM card
OFF No SIM card was identified
ALM ON Abnormal Situation Occurs
OFF Everything is normal
Online ON The device has logged on network and the platform
BLINK The device has logged on network but not the platform
OFF The device hasn’t logged on the network
ETH ON Ethernet interface has connected
OFF Ethernet interface hasn’t connected
WIFI ON Connected via WIFI
OFF Doesn't Connect via WIFI
433/ZigBee ON Connected via 433/ZigBee
OFF Doesn't Connect via 433/ZigBee
LoRa ON Connected via LoRa
OFF Doesn't Connect via LoRa
Signal Strength ONE LIHGHT ON Weak Signal Strength
TWO LIGHTS ON Good Signal Strength
THREE LIGHTS ON Excellent Signal Strength