Table 1. Insteon specification overview. Property specification Network Dual-band (RF and PL) Peer-to-peer Mesh topology Unsupervised No routing tables Protocol All devices are two-way Repeaters [1] Messages contain error detection Messages acknowledged Retry if not acknowledged Synchronized to PL Data rate Instantaneous 13,165 b/s Sustained 2,880 b/s Standard 10 B Extended 24 B From address 3 To address 3 Flags 1 Command 2 User data 14 (extended messages only) Message types Message format, B Message integrity 1 Unique IDs 16,777,216 Device types 65,536 Commands 65,536 Groups per device 256 Members within a group Limited only by memory Insteon engine memory requirements (minimums) RAM 80 b ROM 3 KB Typical application (Light switch, lamp dimmer) memory requirements RAM 256 B EEPROM 256 B Flash 7 KB Devices supported Device installation Plug-in Wire-in Battery operated Device setup Plug-n-tap manual linking PC or controller Security Physical device possession Address masking Encrypted message payloads Application development Integrated development environment Software and hardware development kits PL physical layer Frequency 131.65 KHz Modulation BPSK Min transmit level 3.16 Vpp into 5 Ω Min receive level 10 mV RF physical layer Phase bridging Insteon RF or hardware Frequency 915 MHz Modulation FSK Sensitivity -103 dbm Range 150-ft unobstructed line-of-sight october 2015 ^ IEEE ConsumEr ElECtronICs magazInE 143