Cost-Effective 50 Radio Module (SRWF-1021-50)

Features:
Low power keeps supply battery long lifespan
Short-range, half-duplex and transparent technology
Supported network topology: Point to point and point to multipoint
RF line of sight range: 1, 200m (open field), 300m (indoor/urban)
Compact dimension: 47 x 26 x 10mm

Specifications:
Frequency band: 433 or 470MHz
Output power: 17dBm (50mW)
Receiver sensitivity: -118dBm
Modulation: GFSK/FSK
Channel: 8 (default), 16 or 32 (customized)
Effective data rate: 1, 200 to 19, 200bps
Serial interface: TTL, RS232 and RS485
Supply voltage: +3.3 to 5V DC
TX current: 90± 5mA
RX current: 28± 2mA
Power-down current: 5± 2μ A
Operating temperature: -25 to +75° C