868 MHz LoRa Radio Modem with 2 x 10/100Base-T(x) Ports, 1 x RS232 and 1 x RS485 Serial Ports
TLM254
868 MHz LoRa Radio Modem with 2 x 10/100Base-T(x) Ports, 1 x RS232 and 1 x RS485 Serial Ports
per one
247.00 USD 260 USD
If you buy less than 5 items you will lose your 5% discount
-    Supports 2 x 10/100Base-T(X) ports
-    Supports Full/Half-Duplex, auto MDI/MDI-X on each port
-    Supports 1 x RS232 and 1 x RS485 Serial Connection up to 921600 Baud
-    Embedded web interface for ease of use
-    Instant switch between Server-Client Operating Modes with buttons
-    Up to 10 client connection in Server Mode
-    DHCP Server Capability
-    Easy to follow Device Status on web interface
-    868MHz LoRa based Radio Frequency (RF) Communication
-    128 bit AES Encryption and Decryption on over the air communication
-    LoRa or FSK Selectable Modulation Options
-    LoRa Rx Group Address and Device Address Configurable
-    LoRa Tx Group Address and Device Address Configurable
-    LoRa Signal Bandwidth Configurable: 125, 250, 500 kHz
-    LoRa Radio Power Configurable between 5dBm (~3mW) to 20dBm (100mW)
-    Easy to follow LoRa data packages on web interface
-    Black List and White List based LoRa package filter
-    Firmware Upgrade over Web
-    2 firmware storage capability on same device (1 active only)
-    90 - 265V AC (100 – 370V DC), 47Hz to 63Hz AC wide range power input
-    Wide operating temperature range from -25 to 70 °C
-    Rugged Metal IP-40 housing design
-    DIN-Rail mounting


TECHNOLOGY
LoRa TECHNOLOGY
Based on
STM32L151CxU6Axx 
Pre-Certified according to EN 300 220 
Sensitivity
Down to -138 dBm
Output Power level
Up to 20dBm
Link Budget
Up to 156 dB
Communication Distance
Up to 15km (Line of Sight)
Typical Communication Distance Indoor/Urban
>2km
Frequency Range
Min 863Mhz, Max 870MHz


ETHERNET SWITCH TECHNOLOGY
Ethernet Standards
IEEE 802.3 for 10Base-T
IEEE 802.3u for 100Base-T(X)
IEEE 802.3x Flow Control
Mac Table
1K MAC address entry
Processing
Store-and-Forward
Memory
448K bits packet buffer memory


CONNECTORS AND PORTS
SMA Antenna Connector for LoRa
1 Standard SMA female interface, 50 ohm
Console Port
Micro USB connection for LOG in 115200 baud
10/100T(X) RJ45 Ports
Ethernet Connection on 2 ports
Serial Ports
5 pin wired Terminal Connection
Tx, Rx, GND for RS232
A, B and GND for RS485

Reset Buttons
Reset to Client and Reset to Server Operating modes buttons


LED INDICATORS
Power indicator
Power LED
10/100T(X) Indicators
Activity LEDs:
ETH1, ETH2 and TLM (Activity of device itself)
System Indicators
Status LED,
Tx and Rx of data LEDs and Server LED
(LED ON: Server Operating Mode, LED OFF: Client Operating Mode)
LoRa Indicators
Alive (Blinks during normal operation), Tx and Rx of data LEDs
Console Indicators
Tx and Rx of data LEDs


POWER
Input Range
90 - 265V AC (100 – 370V DC), 47Hz to 63Hz AC input
Isolation
Fully Isolated >4200Vrms, 5mA 1 Min
Insulation: Class II


PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS
Enclosure
Metal, IP 40
Dimensions
43 x 95 x 124 (w x d x h) mm
Weight 
~400gr

Storage Temperature
-40 to 105 °C 
Operating Temperature
-25 to 70 °C  
Operating Humidity
5% to 95%Non-condensing


TLM254: 868MHz LoRa Radio Modem, 2x 10/100 T(x) ETH ports, 1 x RS232 & 1 x RS485, 90 - 265V AC (100 – 370V DC), 47Hz to 63Hz AC Power Input
BSB Series Industrial Unmanaged Ethernet Switch
BSB Series Industrial Unmanaged Ethernet Switch
TLM Series LoRa and LoRaWAN Modems
TLM Series LoRa and LoRaWAN Modems
LKM Series Electricity Meter Protocol to Modbus Protocol Gateways
LKM Series Electricity Meter Protocol to Modbus Protocol Gateways
CKL Series Modbus, Serial to Ethernet Gateway
CKL Series Modbus, Serial to Ethernet Gateway
STG Series WMBus (Wireless MBus) - Modbus TCP/RTU Gateway
STG Series WMBus (Wireless MBus) - Modbus TCP/RTU Gateway
HUR Series Modbus TCP and RTU Remote I/O Devices
HUR Series Modbus TCP and RTU Remote I/O Devices
MBC Series IEC62056-21 Protocol Auto Baud Changer
MBC Series IEC62056-21 Protocol Auto Baud Changer
KMK Series Optical Probes for Energy Meters
REDZ Software Solutions
We use cookies to optimize site functionality and provide the best possible experience.
View our new Privacy and Protection of Personal Data here.
Accept Settings