[IC]：SX1276 [Frequency]：862～930MHz [Power]：20dBm [Distance]：5

5km [Size]：16*26mm [Introduction]：E32-900T20S is a wireless serial port module (UART) based on SEMTECH's SX1276 RF chip

It has multiple transmission modes, working in the 862MHz~931MHz, LoRa spread spectrum technology, TTL output

Main parameter Description Remark Distance for reference 5500m Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2

5m，air data rate: 2

4kbps TX length 58Btye Maximum capacity of single package, automatic sub-packing after exceeding

Buffer 512Btye - Modulation LoRa™ - Communication interface UART @3

3V,TTL Package SMD - Connector Stamp hole 1

27mm spacing Size 16 * 26 mm - Antenna IPEX/stamp hole 50 ohm impedance Main parameter Min Typ

Max

nit Remark Operating voltage 2

3 5 5

5 V ≥5

0 V ensures output power Communication level - 3

3 - V For 5V TTL, it may be at risk of burning down Operating temperature -40 - 85 ℃ Industrial design Operating frequency（ 862 868 931 MHz Support ISM band Transmitting current - 120 - mA Instant power consumption Receiving current - 16 - mA - Turn-off current - 4 - μA Software is shut down Max Tx power - 20 - dBm - Receiving sensitivity - -123 - dBm Air data rate is 2

4kbps