(1) Operating voltage: 1.8V~3.6V, 3.3V recommended (2) Works in the 433MHz band for license-free use (3) High operating rate of 500kbps, supports 2-, GFSK and MSK modulation (4) Software modifiable rate parameters to better meet user needs under various conditions High rate: faster data transmission; Low rate: enhanced anti-interference and penetration, transmission distance High sensitivity (-110dBm at 1.2Kbps, 1% packet BER) Built-in hardware error detection and point-to-multipoint communication address control Low current consumption (15.6mA at 2.4Kbps, 433MHz) Programmable control of output power up to +10dBm for all supported frequencies Wireless function, supports low-power electromagnetic wave activation, wirelessly waking up devices from low-power sleep state Supports automatic channel clearance access for transmission, featuring a fast frequency change synthesizer for appropriate frequency hopping Module address can be set via software, with convenient programming Standard DIP pitch interface for embedded applications Actual transmission distance of 200 meters or more in open areas (depending on environment and communication rate) PCB Color as shown Package Contents: 1 x module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item to appear slightly different from the actual product. The measurement allowed error is +/- 1-3cm.