This narrow-band FM transmitter offers an operating range of up to 1000m. Approved to MPT1329/31, thus licence exempt
TTL/CMOS compatible Digital data transmission Frequency selection free in 11 channels for 458MHz R&TTE (EN300 220) Compliant Dimensions 36x26x10mm (Tx), 50x30x95mm (Rx) Suitable for general telemetry, data transmission, room surveillance etc.