Specification: Brand new Material: metal Size: approx. 17*16.5mm Transmit power: 0.1 W Band: 433 MHz Feature: Using FSK / GFKS technology and LoRa (remote) spread spectrum technology. Half duplex communication. Super anti-jamming (channel rejection ratio: 56db). High Receive Sensitivity: 139dbm. (32M Passive 10ppm Crystal). ISM multi-band, no need to apply for frequency free use. Multi-frequency and a variety of transmission rate for chosen. Can be used in FDMA and FM technology. Intelligent reset, low voltage monitoring, timer wakeup, low power mode, sleep mode. Low power consumption to accept current: 10-12mA. 256-bit FIFO TX / RX. RSSI channel detection function. Transmission mode: FIFO / direct mode (recommended FIFO pack mode). FC / air wake-up function / low power / carrier sense / FEC error correction / AEC encryption. Ultra-long distance transmission open up to 5KM. Fine workmanship and stable. Durable in use. Application: Remote control and remote data acquisition system; Wireless meter reading; Wireless ordering machine, oil, mining, construction sites, factories and other original 485/232 interface system; Industrial data acquisition, transmission, intelligent control system; Wireless alarm system; Intelligent furniture system; Baby monitoring system / hospital paging system; Wireless small data transmission system. Package included: 2 x Transceiver Module Note: Please allow 1-2mm errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.

If You Are Not Satisfied with Your Purchase for Any Reason, Please Feel Free To Contact Us at the Buyer Center or Support Email, 24/7 Quick Reply. Package included: 2 x Transceiver Module. ISM multi-band, no need to apply for frequency free use. Super anti-jamming (channel rejection ratio: 56db). Using FSK / GFKS technology and LoRa (remote) spread spectrum technology.