TM-8258 VER 100 ZigBee Module INSTRUCTION This radio module will be embedded on the TMT ENGINEERING CO.,LTD. weighing scale, and therefore there is no user’s manual 1.
This specification is applied to IEEE802.15.4 & RF4CE Module. This module is embedded with Amplifier and Single chip. 1.1. Description Bluetooth 5 Compliant, 1Mbps ➢ IEEE802.15.4 compliant, 250kbps ➢ 2.4GHz proprietary 1Mbps/250kbps mode with Adaptive Frequency Hopping feature support ➢ 64kB on-chip SRAM with up to up to 32kB retention ➢ 512kB internal Flash ➢ ➢ Rx sensitivity: -98dBm@BLE 1Mbps, -100dBm@ IEEE802.15.4 250kbps Tx output power: Typ.
. RF TX Characteristics(+25℃) Item Spec. Frequency Range 2400~2483.5MHz Frequency Tolerance <±20ppm Occupied B.W <2.2MHz Output Power (Max) 10dBm (+0/-2dB) VSWR <2.0 : 1 Flatness <2dB Remark Spurious Emissions 1GHz Under <-70dBm 1GHz ~ 2.4GHz <-70dBm ~ 12GHz <-70dBm 2nd Harmonic <-60dBm 3rd Harmonic <-60dBm PSD ±3.5MHz Secondary Radiated Emission >30dBc 20dBc over <-70dBm Limit of secondary radiated emissions.
. Dimensions - 4 -
. Protocol(38400 bps , N, 8, 1) 7.1 Send Data Header : 0x21 + Data Ex> Data 3byte 0x30, 0x31, 0x32 0x21 + 0x30 + 0x31 + 0x32 7.2 Pan ID Set Header : 0x12 + PAN ID(2byte) + Sum(PAN ID 2byte) Ex> Pan ID : 0x31, 0x43 0x12 + 0x31 + 0x 43 + 0x74(0x31+ 0x43) FCC approval This device complies with Part 15 of the FCC`s Rules. Operation is subject to the following two Conditions: 1. This device may not cause harmful interference, and 2.
IMPORTANT NOTE This device complies with FCC radiation exposure limits set forth for an uncontrolled environment. This device should be installed and must not be co-located or operating in conjunction with any other antenna or transmitter. This device is intended only for OEM integrators under the following conditions: 1) This module may not be co-located with any other transmitters or antennas. 2) The antenna must be installed such that 20cm is maintained between the antenna and users.
