A73C02C 315/433 transmitter chip: Support ASK, FSK, 315,433-band transmitter chip, for a variety of wireless security alarm garage door, remote keyless entry system, the module can be made through the FCC \ CE \ 3C various types of certification certification. (Package DFN10) A73C02D 868/915 transmitter chip: Support ASK, FSK, 868,915 band transmitter chip, for a variety of wireless security alarm garage door, remote keyless entry system. The modules can be made through the FCC \ CE \ 3C various types of certification certification. (Package DFN10) MCP201 ??high sensitivity receiver chip 315/433: Support ASK, FSK, 315,433 low-voltage high-sensitivity band RF receiver chip, for a variety of wireless security alarm garage door, remote keyless entry system. (Package DFN20L) A7108 High sensitivity 17dbm full-band transceiver chip: for 470MHz ~ 510MHz and 868MHz wireless meter reading system China Europe WirelessMeterBus (Wireless M-Bus) of high-sensitivity receiver chip. Air velocity 2Kbps ~ 250Kbps. Supports 315/433/868 / 915MHZ band. Receiver sensitivity up -117dbm (package DFN20L) A7129 \ A7139 1G following ultra-low power two-way transceiver chip: The biggest advantage of ultra-low receive current and ultra high-quality RF performance, A7129 built-10dBm PA transmit power, and A7139 will PA output raised to 20dBm transmission power, to 470MHz ~ 510MHz frequency band, the receiver has a high sensitivity (-114dBm @ 10Kbps). Measured under the conditions of 10Kbps open area at the beach can get 1200 meters, the distance measured between the streets up to 1000 meters. If data rate dropped 2Kbps, the measured distance open area increased to 1600 meters. (Package DFN24L)