Advanced digital USB provides superior clarity. Simple to operate as a single USB plug-&-play connection. Noise-cancelling microphone filters out unwanted background noise. Power switch illuminates when the microphone is active. Microphone pivots on base to hold the preferred position. Flexible neck to adjust your convenient direction and Height for talking.
10.1-inch LCD display. 1200 x 800 screen resolution and IPS display panel. 170º viewing angle Toughened glass capacitive touch panel, 6H hardness. HDMI interface for displaying, USB interface for touch control. Supports 5-level backlight adjustment. Raspberry Pi and Windows device & system support.
433MHz operation Ultra-low power consumption (3.5mA or 22mA depending on mode) with sleep option (80μA). 10dBm output power and high sensitivity providing long range in the open environment. 3V-6V operating voltage. Serial pass-through mode to replace the serial cable (half duplex). IO pass-through modes.
Operating Frequency Range: 433.4—473.0MHz Transmit Power Max: 20dBm Power Supply Voltage: DC 3.2V ~5.5V Long Communication Distance: About 1000 meters at the default setting
Range in open space(Standard Conditions) : 100 Meters RX Receiver Frequency : 433 MHz RX Typical Sensitivity : 105 Dbm RX Supply Current : 3.5 mA RX IF Frequency : 1MHz RX Operating Voltage : 5V TX Frequency Range : 433.92 MHz TX Supply Voltage : 3V ~ 6V TX Out Put Power : 4 ~ 12 Dbm
Maximum Power Point Tracking (MPPT) Solar Charger Module 2-Pin JST Connectors for Solar Panel and Battery Connection PWM Switching Frequency of 300KHz Maximum Charging Current of 2A
Standard AT commands Item Weight: 4.54 g Package Dimensions: 12.1 x 10.6 x 0.2 cm Adjustable serial baud-rate from 1200 to 115200 bps Single supply voltage: 3.4V – 4.5V Power saving mode: Typical power consumption in SLEEP mode is 1.5mA Frequency bands: SIM900A Dual-band: EGSM900, DCS1800. The SIM900A can search the two frequency bands automatically. The frequency bands also can…