Useful Link:USB to UART Driver,Serial Debug Tool,Tunewell GUI,Tunewell Module Setting, RF-Magic for Meters,
ICBCOM RF-Magic.
Datasheet :APC220.
Features:
1.Outdoor covers up to 1000meters(2400bps)
2.Frequency range 433MHz /470MHz
3.0.2MHz channel spacing
4.ANALOG DEVICE ADF7020 RFIC
5.Output power:20mW(adjustable)
6.One interface of UART/TTL
7.Outstanding receiver sensitivity -114dBm@9600bps
8.High efficiency forward error correction with interleaving encoding
9.GFSK modulation
10.Main parameters can be changed by APPCON RF module software
11.256Bytes data buffer
12.Power supply with voltage +3.3 ~ 5.5V
13.Power consumption:RX current:28mA,Tx current:35mA
14.Operating temperature:-30℃ to 85℃
15.Size:37.5*18.3*7.0(mm)