Based on this product's specifications, here are some alternatives and similar models
Homematic IP Access Point 2 smart home receiver RF 868.0 - 868.6 MHz White
Summary description:
Homematic IP Access Point 2. Connectivity technology: Wired & Wireless, Wireless technology: RF, Product colour: White. Connected load: 2.5 W, Input voltage: 100 - 240 V, Input frequency: 50 Hz. Width: 104 mm, Depth: 104 mm, Height: 40 mm. Package width: 184 mm, Package depth: 140 mm, Package height: 73 mm