These MerryIoT hotspot Wifi devices have the following specification: 4G DDR, 32GB Flash, LED x4, Reset Button, Ethernet (100/1000 Mbps), LoRa 8 channels, DC jack in, USB Type-A 2.0, TF card slot, WiFi 802.11 b/g/n, BLE 5.2. SX1302 with SX1250 and uses the ECC608 security element chip. There are two antennas for this coin miner, an internal WiFi antenna and an external LoRa antenna. The external antenna for these wireless routers has a ~5dBi gain level. This external antenna can be upgraded easily with any external antenna and a cable with an SMA connector. For the technical people among us, here are some more specifications: PU: Rockchip RK3566/Quad-core Cortex-A55 up to 1.8GHz Memory: DDR3/4 4GB Storage: eMMC 32GB/64GB TF card W-Fi: 2.4GHz 1Tx/1Rx 802.11 b/g/n, built-in antenna BLE: 2.4GHz BLE 5.2, built-in antenna Crypto chip: I2C control, Microchip ATECC608A/B in SOIC-8 and UDFN-8 LAN interface: RJ45 1Gbps x 1 TF: External TF card slot, Supports SDXC or higher speed USB: External USB-A 2.0 connector, Reserved for future use RF Specifications Global Use: EU863~870MHz/US902~928MHz/AS923 Transmit RF Power: 0.5W (upto27dBm) RF Sensitivity: -135dBm Power Supply DC jack, DC12V 1~1.5A Environmental Operating Temperature: 0 to 40°C Indoor use Mechanical Specifications Dimensions: L140 x W110 x H20 mm Weight: 160 g Regulatory Certification Type Approval: CE/FCC/IC.
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