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220~236MHz 22dBm LoRa long range RS232/RS485 TCXO auto repeater RSSI SX1262 Transceiver Modem

[Frequency]:220.125~236.125MHz

[Power]:22dBm

[Distance]:5km

[Interface]:RS232/RS485

[Weight]:128±5g

[Weight]:128±5g

[Introduction]:E90-DTU (230SL22) is a data transceiver with military-grade LoRa modulation technology. With multiple transmission modes, it works in the (220.125~236.125MHz) frequency band (Default 230.125MHz). The transceiver provides transparent RS232/RS485 interface and supports 8~. 28V voltage input.

1
Pin No. Name Function Description
1 DB-9 femal socket RS-232 interface Standard RS-232 interface
2 3.81 connecting terminal RS-485, power interface Standard RS-485 and screwing interface
3 PWR-LED Power indicator Red when powered-on
4 TXD-LED Transmitting indicator Yellow, it flashes when transmitting data
5 RXD-LED Receiving indicator Yellow, it flashes when receiving data
6 DC power interface Power interface Straight hole, outer diameter: 5.5mm, inner diameter: 2.5mm
7 DIP switch DIP switch Working mode control
8 Antenna interface SMA-K External thread hole.L: 10mm. 50Ω resistance.