Features:

• Full ESP3 feature set
• Power, Rx and Tx LED
• Optimized PCB antenna
• Integrated security handling
• Virtual COM Port driver (FTDI)

Features overview
Frequency/antenna USB 300: 868.300 MHz / PCB antenna
USB 500U: 902.875 MHz / PCB antenna
USB 400J: 928.350 MHz / PCB antenna
Data rate 125 kBit/s
Modulation type USB 300: ASK 868 MHz1)
USB 500U: FSK 902 MHz1)
USB 400J: FSK 928 MHz1)
Receiver Sensitivity (at 25°C)2)
USB 300: typ. –96 dBm2)
USB 500U: typ. -98 dBm2)
USB 400J: typ. -95 dBm2)
Receiver Category
(RED, EN 300 220)
2
(standard performance)
Output Power
USB 300: max. 6,7 dBm (radiated)
USB 500U: typ. 1 dBm (conducted)
USB 400J: typ. 0 dBm (conducted)
Dimensions (incl. cap) 70 x 23 x 9 mm
OEM label size 39 x 12 mm
USB connector Typ A
Operating temperature -20°C to +50°C (max. 90% r.h.)
Radio Regulations USB 300: CE (EU) / UKCA (UK)
USB 500U: FCC (US) / ISED (CA)
USB 400J: MIC/ARIB (Japan)